CERAMIC SURGE ABSORBERS (VARISTORS) SVC SVC CHARACTERISTIC INTRODUCTION SVC series Varistors are gapless ceramic surge absorbers of a new type made of metal oxide which is designed to protect various kinds of electronic devices and semiconducting elements from surges. FEATURES 1. High discharge current capability up to 4000 Amps. 2. Excellent clamping characteristics. 3. Fast response time under 50 nanesesconds. 4. Improve product safety 5. UL, CSA, VDE recognized TYPE DESIGNATION (HOW TO ORDER) SVC 471 D-14A FF 7 Lead Spacing & Pitch of Component Basic Type ZnO Varistor Packing Style & Lead Variation Varistor Nominal Voltage Classification A : High Voltage(82V and above) B : Low Voltage(less then 68V) (The first two digit indicate significaticant digits) (The 3rd digit indicate the number of zeros following) Chip Element Size (Dia) 05 : 5mm 14 : 14mm 07 : 7mm 20 : 20mm 10 : 10mm Style D : Disk Type Varistor Packing Style Lead Variation S Straight Type K In-Kink Type F Out-Kink Type Packing Style Taping F Type B Bulk Flat Pack Lead Variation S Straight Long Type W Kink short Type K Kink long Type L Kink short Type N Straight short Type Suffix Code Taping Type Bulk Type 44 Code Lead Spacing(mm) Pitch of Component(mm) Code Lead Spacing(mm) 5 5.0 12.7 5 5.0 7 7.5 15.0 7 7.5 8 7.5 30.0 1 10.0 9 7.5 25.4 1 10.0 30.0 CERAMIC SURGE ABSORBERS (VARISTORS) SVC SVC CHARACTERISTIC CURVES V- CURVE Small - current region of V - curve Temporary power frequency over voltage capability B TYPE Withstand discharge impulse current characteristics (Typical) A TYPE Withstand discharge impulse current characteristics (Typical) 45 CERAMIC SURGE ABSORBERS (VARISTORS) SVC SPECIFICATION Chip Element Device Maximum ratings Applied voltage Size RMS 50/60Hz (25) (25) Average Peak Energy power current dissipation (8/20) Dia (mm) V acm (Volts) V dcm (Volts) W tm Ptam (Joules) (Watts) Type DC Itm (Amps) Max. clamping voltage @ test current (8/20) Nominal varistor peak voltage Vnom (Volts) Tolerance Min (Volts) Max (Volts) Typical capacitance Vc (Volts) Ip (Amps) f=1kHz (pF) 40 36 36 36 36 48 43 43 43 43 1 2.5 5 10 20 1 2.5 5 10 20 1700 3500 7000 1400 28000 1200 2500 5000 11000 22000 1 2.5 5 10 20 1100 2000 4500 9000 18000 0.3 0.8 1.5 3.5 10.0 0.4 0.9 2.0 4.0 13.0 0.01 0.02 0.05 0.1 0.2 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 125 250 500 1000 2000 22 0.5 1.0 2.5 5.0 15.0 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 27 24 30 60 53 53 54 53 26 0.6 1.2 3.0 6.0 20.0 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 33 30 36 73 65 65 65 65 1 2.5 5 10 20 1000 2000 4000 8000 16000 25 31 0.8 1.5 3.5 7.0 24.0 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 39 35 43 86 77 77 77 77 1 2.5 5 10 20 800 1600 3200 6500 13000 30 38 1.0 1.8 4.5 8.5 30.0 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 47 42 52 104 93 93 93 93 1 2.5 5 10 20 700 1400 2800 5500 11000 35 45 1.0 2.2 5.5 10.5 35.0 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 123 110 110 110 110 1 2.5 5 10 20 600 1300 2500 5000 10000 40 56 50 65 1.2 2.5 6.5 12.0 40.0 1.7 3.5 8.0 14.0 27.0 0.01 0.02 0.05 0.1 0.2 0.1 0.25 0.4 0.6 1.0 125 250 500 1000 2000 250 600 1250 2500 4000 150 135 135 135 135 145 135 135 135 135 1 2.5 5 10 20 5 10 25 50 100 500 1000 2000 4000 8000 400 800 1500 3000 6000 60 85 2.0 4.0 10.0 18.0 30.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 75 100 2.5 5.0 12.0 20.0 40.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 120 95 125 3.0 6.0 16.0 25.0 50.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 150 170 4.0 10.0 20.0 35.0 70.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 140 180 4.5 10.0 23.0 40.0 75.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 220 150 200 5.0 10.0 25.0 40.0 80.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 240 SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC 180D-05B 180D-07B 180D-10B 180D-14B 180D-20B 220D-05B 220D-07B 220D-10B 220D-14B 220D-20B 5 7 10 14 20 5 7 10 14 20 SVC SVC SVC SVC SVC 270D-05B 270D-07B 270D-10B 270D-14B 270D-20B 5 7 10 14 20 17 SVC SVC SVC SVC SVC 330D-05B 330D-07B 330D-10B 330D-14B 330D-20B 5 7 10 14 20 20 SVC SVC SVC SVC SVC 390D-05B 390D-07B 390D-10B 390D-14B 390D-20B 5 7 10 14 20 SVC SVC SVC SVC SVC 470D-05B 470D-07B 470D-10B 470D-14B 470D-20B 5 7 10 14 20 SVC SVC SVC SVC SVC 560D-05B 560D-07B 560D-10B 560D-14B 560D-20B 5 7 10 14 20 SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC 680D-05B 680D-07B 680D-10B 680D-14B 680D-20B 820D-05B 820D-07B 820D-10B 820D-14B 820D-20B 5 7 10 14 20 5 7 10 14 20 SVC SVC SVC SVC SVC 101D-05B 101D-07B 101D-10B 101D-14B 101D-20B 5 7 10 14 20 SVC SVC SVC SVC SVC 121D-05B 121D-07B 121D-10B 121D-14B 121D-20B 5 7 10 14 20 SVC SVC SVC SVC SVC 151D-05B 151D-07B 151D-10B 151D-14B 151D-20B 5 7 10 14 20 SVC SVC SVC SVC SVC 201D-05B 201D-07B 201D-10B 201D-14B 201D-20B 5 7 10 14 20 SVC SVC SVC SVC SVC 221D-05B 221D-07B 221D-10B 221D-14B 221D-20B 5 7 10 14 20 SVC SVC SVC SVC SVC 241D-05B 241D-07B 241D-10B 241D-14B 241D-20B 5 7 10 14 20 46 Characteristics Transient 11 14 14 18 130 18 16 20 22 20 24 56 50 62 68 61 75 82 74 90 100 90 110 175 165 165 165 165 5 10 25 50 100 350 700 1500 3000 6000 108 132 210 200 200 200 200 5 10 25 50 100 350 700 1300 2600 5200 135 165 260 250 250 250 250 5 10 25 50 100 250 500 1000 2000 4000 225 355 340 340 340 340 5 10 25 50 100 200 400 800 1600 3200 198 242 380 360 360 360 360 5 10 25 50 100 170 350 700 1400 2800 216 264 415 395 395 395 395 5 10 25 50 100 170 350 700 1300 2600 200 185 CERAMIC SURGE ABSORBERS (VARISTORS) SVC Device Type Dia (mm) SVC SVC SVC SVC SVC 271D-05A 271D-07A 271D-10A 271D-14A 271D-20A 5 7 10 14 20 SVC SVC SVC SVC SVC 361D-05A 361D-07A 361D-10A 361D-14A 361D-20A 5 7 10 14 20 SVC SVC SVC SVC SVC 391D-05A 391D-07A 391D-10A 391D-14A 391D-20A 5 7 10 14 20 SVC SVC SVC SVC SVC 431D-05A 431D-07A 431D-10A 431D-14A 431D-20A 5 7 10 14 20 SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC 471D-05A 471D-07A 471D-10A 471D-14A 471D-20A 561D-10A 561D-14A 561D-20A 621D-10A 621D-14A 621D-20A 681D-10A 681D-14A 681D-20A 751D-10A 751D-14A 751D-20A 781D-10A 781D-14A 781D-20A 821D-10A 821D-14A 821D-20A 5 7 10 14 20 SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC SVC 911D-10A 911D-14A 911D-20A 102D-10A 102D-14A 102D-20A 112D-10A 112D-14A 112D-20A 182D-10A 182D-14A 10 14 20 10 14 20 10 14 20 10 14 20 10 14 20 10 14 20 10 14 20 10 14 20 10 14 20 14 20 Vacm (Volts) Vdcm (Volts) Wtm (Joules) Ptam (Watts) Itm (Amps) 225 6.0 12.0 30.0 50.0 90.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 300 7.5 15.0 35.0 65.0 120.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 320 8.0 17.0 40.0 70.0 130.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 350 9.0 20.0 45.0 75.0 140.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 300 385 10.0 20.0 45.0 80.0 150.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 350 460 385 550 560 460 615 485 640 510 670 550 745 625 825 680 895 1000 1465 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.6 1.0 1250 2500 4000 1250 2500 4000 420 45.0 85.0 150.0 45.0 85.0 150.0 45.0 90.0 160.0 50.0 100.0 175.0 50.0 105.0 180.0 175 230 250 275 55.0 110.0 190.0 60.0 120.0 215.0 65.0 130.0 230.0 70.0 140.0 250.0 24.0 400.0 Notes : The waveform of the maximum DC applied voltage is flat. When a ripple voltage as from a rectifier source is supplied make sure that the peak voltage is kept under th Vdcm An AC applied voltage(50/60Hz) form a since waveshape. When the distortion in the waveform is extensive make sure that the peak voltage is less than 2times the Vacm. Energy : Wtm Transient energy ratings are given in the Wtm column of the specifications in Joules (watt-second). The rating is the maximum allowable energy for a single impulse of 2ms square-waveform current with continuous voltage applied. Energy ratings are based on a shift of Vnom of less than 10% of initial value. Transient peak current (ltm) The peak current rating. ltm. of varistor is based on an 8/20 test impulse waveshape. 1250 2500 4000 1250 2500 4000 1250 2500 4000 1250 2500 4000 1250 2500 4000 1250 2500 4000 1250 2500 4000 2500 4000 Vnom (Volts) 270 360 390 430 Tolerance Min Max (Volts) (Volts) 247 324 351 387 VC (Volts) Ip (Amps) f=1kHz (pF) 303 475 455 455 455 455 5 10 25 50 100 150 300 600 1200 2400 396 620 595 595 595 595 5 10 25 50 100 120 250 500 1000 2000 429 675 650 650 650 650 5 10 25 50 100 110 220 450 900 1800 473 754 710 710 710 710 5 10 25 50 100 100 200 400 800 1600 810 775 775 775 775 5 10 25 50 100 80 170 350 700 1400 920 920 920 1025 1025 1025 25 50 100 25 50 100 300 600 1200 270 550 1100 1120 1120 1120 1240 1240 1240 1290 1290 1290 25 50 100 25 50 100 25 50 100 25 50 100 25 50 100 25 50 100 250 500 1000 220 450 900 220 440 880 210 420 840 180 380 750 180 350 700 150 300 600 200 400 470 423 517 560 504 616 620 558 682 680 612 748 750 675 825 780 702 858 820 738 902 910 819 1001 1000 900 1100 1100 990 1210 1800 1620 1980 1355 1355 1355 1500 1500 1500 1650 1650 1650 1815 1815 1815 2970 2970 25 50 100 50 100 This peak current is the maximum peak current in which the nominal varistor voltage shift does not exceed 10% when the test impulse is applied twice at 5 mimutes intervals. Nominal varistor voltage : Vnom Indicates the varistor terminal voltage measured with a 1mA DC applied. -0.1mA DC in the case of the 0.5A and 05B series. Maximum clamping voltage : Vc Indicates the peak teminal voltage measured with an 8/20 impulse current applied. Operating ambient temperature : -40 to +80 Storage temperature : -40 to +125 UL and CSA recognized (UL 1449, UL 497B or UL 1414, CSA) SVC varistors have been tested by Underwiter's Laboratories, Inc. and Canadian Standards Association UL File No. E97754, E151195, E154171. CSA File No. LR78923. 47 CERAMIC SURGE ABSORBERS (VARISTORS) SVC TYPE DIMENSIONS (Unit : mm) B TYPE Tmax Dmax Hmax Lmin F 180D-05B 220D-05B 270D-05B 330D-05B TYPE 4.5 4.5 4.5 4.5 7.5 7.5 7.5 7.5 10.0 10.0 10.0 10.0 25 25 25 25 5.0 5.0 5.0 5.0 0.55 0.55 0.55 0.55 SVC 390D-05B SVC 470D-05B SVC 560D-05B SVC 680D-05B SVC 180D-07D SVC 220D-07D SVC 270D-07D SVC 330D-07D 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 7.5 7.5 7.5 7.5 9.0 9.0 9.0 9.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 25 25 25 25 25 25 25 25 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 SVC 390D-07D SVC 470D-07D SVC 560D-07D SVC 680D-07D SVC 180D-10B SVC 220D-10B SVC 270D-10B SVC 330D-10B 4.5 4.5 4.5 4.5 5.0 5.0 5.0 5.0 9.0 9.0 9.0 9.0 13.5 13.5 13.5 13.5 10.0 10.0 10.0 10.0 16.5 16.5 16.5 16.5 25 25 25 25 25 25 25 25 5.0 5.0 5.0 5.0 7.5 7.5 7.5 7.5 0.55 0.55 0.55 0.55 0.70 0.70 0.70 0.70 SVC SVC SVC SVC 390D-10B 470D-10B 560D-10B 680D-10B 5.0 5.0 5.0 5.0 13.5 13.5 13.5 13.5 16.5 16.5 16.5 16.5 25 25 25 25 7.5 7.5 7.5 7.5 0.70 0.70 0.70 0.70 SVC SVC SVC SVC 180D-14B 220D-14B 270D-14B 330D-14B 5.0 5.0 5.0 5.0 17.0 17.0 17.0 17.0 20.0 20.0 20.0 20.0 25 25 25 25 7.5 7.5 7.5 7.5 0.70 0.70 0.70 0.70 SVC SVC SVC SVC SVC SVC SVC SVC 390D-14B 470D-14B 560D-14B 680D-14B 180D-20B 220D-20B 270D-20B 330D-20B 5.0 5.0 5.0 5.0 6.0 6.0 6.0 6.0 17.0 17.0 17.0 17.0 23.0 23.0 23.0 23.0 20.0 20.0 20.0 20.0 27.0 27.0 27.0 27.0 25 25 25 25 30 30 30 30 7.5 7.5 7.5 7.5 10.0 10.0 10.0 10.0 0.70 0.70 0.70 0.70 0.07 0.07 0.07 0.07 SVC SVC SVC SVC 390D-20B 470D-20B 560D-20B 680D-20B 6.0 6.0 6.0 6.0 23.0 23.0 23.0 23.0 27.0 27.0 27.0 27.0 30 30 30 30 10.0 10.0 10.0 10.0 0.07 0.07 0.07 0.07 SVC SVC SVC SVC Tmax Dmax Hmax Lmin F SVC SVC SVC SVC 820D-05A 101D-05A 121D-05A 151D-05A 4.5 4.5 4.5 4.5 7.0 7.0 7.0 7.0 10.0 10.0 10.0 10.0 25 25 25 25 5.0 5.0 5.0 5.0 0.55 0.55 0.55 0.55 SVC SVC SVC SVC 201D-05A 221D-05A 241D-05A 271D-05A 4.5 4.5 4.5 4.5 7.0 7.0 7.0 7.0 10.0 10.0 10.0 10.0 25 25 25 25 5.0 5.0 5.0 5.0 0.55 0.55 0.55 0.55 SVC SVC SVC SVC 361D-05A 391D-05A 431D-05A 471D-05A 5.0 5.0 6.0 6.0 7.0 7.0 7.0 7.0 10.0 10.0 10.0 10.0 25 25 25 25 5.0 5.0 5.0 5.0 0.55 0.55 0.55 0.55 48 Dmax Hmax Lmin F 820D-07A 101D-07A 121D-07A 151D-07A 4.5 4.5 4.5 4.5 9.0 9.0 9.0 9.0 12.0 12.0 12.0 12.0 25 25 25 25 5.0 5.0 SVC SVC SVC SVC 201D-07A 221D-07A 241D-07A 271D-07A 4.5 4.5 4.5 4.5 9.0 9.0 9.0 9.0 12.0 12.0 12.0 12.0 25 25 25 25 SVC SVC SVC SVC 361D-07A 391D-07A 431D-07A 471D-07A 5.0 5.0 6.0 6.0 9.0 9.0 9.0 9.0 12.0 12.0 12.0 12.0 25 25 25 25 SVC SVC SVC SVC 820D-10A 101D-10A 121D-10A 151D-10A 4.5 4.5 4.5 4.5 14.0 14.0 14.0 14.0 17.0 17.0 17.0 17.0 25 25 25 25 7.5 7.5 7.5 7.5 0.70 0.70 0.70 0.70 SVC SVC SVC SVC 201D-10A 221D-10A 241D-10A 271D-10A 4.5 4.5 4.5 4.5 14.0 14.0 14.0 14.0 17.0 17.0 17.0 17.0 25 25 25 25 7.5 7.5 7.5 7.5 0.70 0.70 0.70 0.70 SVC SVC SVC SVC SVC SVC SVC SVC 361D-10A 391D-10A 431D-10A 561D-10A 621D-10A 681D-10A 751D-10A 781D-10A 5.0 5.0 6.0 6.0 7.5 7.5 7.5 8.5 8.5 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 25 25 25 25 25 25 25 25 25 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 SVC SVC SVC SVC 821D-10A 911D-10A 102D-10A 112D-10A 8.5 10.5 10.5 10.5 14.0 14.0 14.0 14.0 17.0 17.0 17.0 17.0 25 25 25 25 7.5 7.5 7.5 7.5 0.70 0.70 0.70 0.70 SVC SVC SVC SVC 820D-14A 101D-14A 121D-14A 151D-14A 4.5 4.5 4.5 4.5 17.5 17.5 17.5 17.5 21.0 21.0 21.0 21.0 25 25 25 25 7.5 7.5 7.5 7.5 0.70 0.70 0.70 0.70 SVC SVC SVC SVC 201D-14A 221D-14A 241D-14A 271D-14A 4.5 4.5 4.5 4.5 17.5 17.5 17.5 17.5 21.0 21.0 21.0 21.0 25 25 25 25 7.5 7.5 7.5 7.5 0.70 0.70 0.70 0.70 SVC SVC SVC SVC SVC SVC SVC SVC SVC 361D-14A 391D-14A 431D-14A 471D-14A 561D-14A 621D-14A 681D-14A 751D-14A 781D-14A 5.0 5.0 6.0 6.0 7.5 7.5 7.5 8.5 8.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 25 25 25 25 25 25 25 25 25 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 SVC SVC SVC SVC SVC 821D-14A 911D-14A 102D-14A 112D-14A 182D-14A 8.5 10.5 10.5 10.5 15.0 17.5 17.5 17.5 17.5 17.5 21.0 21.0 21.0 21.0 21.0 25 25 25 25 25 7.5 7.5 7.5 7.5 7.5 0.70 0.70 0.70 0.70 0.70 SVC SVC SVC SVC 820D-20A 101D-20A 121D-20A 151D-20A 4.5 4.5 4.5 4.5 23.0 23.0 23.0 23.0 28.0 28.0 28.0 28.0 30 30 30 30 10.0 10.0 10.0 10.0 0.70 0.70 0.70 0.70 SVC SVC SVC SVC 201D-20A 221D-20A 241D-20A 271D-20A 4.5 4.5 4.5 4.5 23.0 23.0 24.0 24.0 28.0 28.0 28.0 28.0 30 30 30 30 10.0 10.0 10.0 10.0 0.70 0.70 0.70 0.70 SVC SVC SVC SVC SVC SVC SVC SVC SVC 361D-20A 391D-20A 431D-20A 471D-20A 561D-20A 621D-20A 681D-20A 751D-20A 781D-20A 5.0 5.0 6.0 6.0 7.5 7.5 7.5 8.5 8.5 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 30 30 30 30 30 30 30 30 30 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 0.70 0.70 0.70 0.70 0.80 0.80 0.80 0.80 0.80 SVC SVC SVC SVC SVC 821D-20A 911D-20A 102D-20A 112D-20A 182D-20A 8.5 10.5 10.5 10.0 15.0 24.0 24.0 24.0 24.0 24.0 28.0 28.0 28.0 28.0 28.0 30 30 30 30 30 10.0 10.0 10.0 10.0 10.0 0.80 0.80 0.80 0.80 0.80 d A TYPE TYPE Tmax SVC SVC SVC SVC d 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 d 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 CERAMIC SURGE ABSORBERS (VARISTORS) SVC ITEM Code Body Diameter D Body thickness T Lead diameter d Pitch of sprocket hole Dimensions(mm) FS5, FK5 See Page 46 0.550.05 P0 FF9 0.700.05 12.70.3 Pitch of component P 6.351.3 25.41.0 Lead lenth from hole center to Lead P1 3.850.7 8.951.0 P2 6.351.3 12.71.5 F 5.0 Lead length from hole center to component center Lead spacing Deviation along tape S Deviation across tape h Carrier tape width +0.8 -0.2 7.51.0 01.0 02.0 +1.0 -0.5 W 18.0 Hold down tape width W0 5.0min 9.0min Position of sprocket hole W1 9.00.5 Hold down tape position W2 3.0max Lead wire clinch height H0 16.00.5 Height of component hole H 20.0 +1.5 -1.0 Component height H1 32.25max Diameter of sprocket hole D0 4.00.2 Length of snipped lead L 11.0max Total tape thickness t1 0.70.2 Total thickness tape and lead wire t2 1.5max Length of snipped lead lx 1.0max ITEM Code Body Diameter D Body thickness T Lead diameter d Dimensions(mm) FF7 FF8 See Page 46 0.700.05 Pitch of sprocket hole P Pitch of component P 15.01.0 Lead lenth from hole center to Lead P1 3.751.0 P2 7.501.5 F 7.51.0 Lead length from hole center to 1.7max 0 15.00.3 30.01.0 component center Lead spacing Deviation along tape S Deviation across tape h 02.0 Carrier tape width W 18.0 +1.0 -0.5 Hold down tape width W0 5.0min Position of sprocket hole W 9.00.5 Hold down tape position W2 3.0max Lead wire clinch height H0 16.00.5 Height of component hole H 20.0 Component height H1 40.00max Diameter of sprocket hole D0 4.00.2 Length of snipped lead L 11.0max Total tape thickness t1 0.70.2 Total thickness tape and lead wire t2 1.7max Length of snipped lead lx 1.0max 1 01.0 +1.5 -1.0 49 CERAMIC SURGE ABSORBERS (VARISTORS) SVC CHAR, CURVES AND LIFETIME TRANSIENT V-I CHARACTIC CURVES -2 Current waveform Under 10 A : DC -1 Over 10 A : 8/20 PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval 6 Up to 10 - pulse : 10 - second intervla 05B (SVC 180D-05B to SVC680D-05B) 05B (SVC 180D-05B to SVC680D-05B) 05A (SVC 820D-05A to SVC471D-05A) 05A (SVC 820D-05A to SVC471D-05A) 50 CERAMIC SURGE ABSORBERS (VARISTORS) SVC TRANSIENT V-I CHARACTERISTIC CURVES -2 Current waveform Under 10 A : DC -1 Over 10 A : 8/20 PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval 6 Up to 10 - pulse : 10 - second intervla 07B (SVC 180D-07B to SVC680D-07B) 07B (SVC 180D-07B to SVC680D-07B) 07A (SVC 820D-07A to SVC471D-07A) 07A (SVC 820D-07A to SVC471D-07A) 51 CERAMIC SURGE ABSORBERS (VARISTORS) SVC TRANSIENT V-I CHARACTERISTIC CURVES -2 Current waveform Under 10 A : DC -1 Over 10 A : 8/20 PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval 6 Up to 10 - pulse : 10 - second intervla 10B (SVC 180D-10B to SVC680D-10B) 10B (SVC 180D-10B to SVC680D-10B) 10A (SVC 820D-10A to SVC471D-10A) 10A (SVC 820D-10A to SVC471D-10A) 52 CERAMIC SURGE ABSORBERS (VARISTORS) SVC TRANSIENT V-I CHARACTERISTIC CURVES -2 Current waveform Under 10 A : DC -1 Over 10 A : 8/20 PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval 6 Up to 10 - pulse : 10 - second intervla 10A (SVC561D-10A to SVC112D-10A) 10A (SVC 561D-10A to SVC112D-10A) 14B (SVC 180D-14B to ENC680D-14B) 14B (SVC 180D-14B to SVC680D-14B) 53 CERAMIC SURGE ABSORBERS (VARISTORS) SVC TRANSIENT V-I CHARACTERISTIC CURVES -2 Current waveform Under 10 A : DC -1 Over 10 A : 8/20 PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval 6 Up to 10 - pulse : 10 - second intervla 14A (SVC 820D-14A to SVC471D-14A) 14A (SVC 820D-14A to SVC471D-14A) 14A (SVC 561D-14A to SVC182D-14A) 14A (SVC 561D-14A to SVC182D-14A) 54 CERAMIC SURGE ABSORBERS (VARISTORS) SVC TRANSIENT V-I CHARACTERISTIC CURVES -2 Current waveform Under 10 A : DC -1 Over 10 A : 8/20 PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval 6 Up to 10 - pulse : 10 - second intervla 20B (SVC180D-20B to SVC680D-20B) 20B (SVC180D-20B to SVC680D-20B) 20A (SVC 820D-20A to SVC471D-20A) 20A (SVC 820D-20A to SVC471D-20A) 55 CERAMIC SURGE ABSORBERS (VARISTORS) SVC TRANSIENT V-I CHARACTERISTIC CURVES -2 Current waveform Under 10 A : DC -1 Over 10 A : 8/20 20A (SVC 561D-20A to SVC182D-20A) 56 PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval 6 Up to 10 - pulse : 10 - second intervla 20A (SVC 561D-20A to SVC182D-20A) CERAMIC SURGE ABSORBERS (VARISTORS) SVC APPLICATIONS The protection of semiconducting elements such as diodes, thyristors, transistors, IC and relays against transient voltages. Similar protection of many types of measuring instruments, control machinery and communication equipment and broadcasting equipment against inductive lightning and switching surges. Protection of general purpose electrical equipment, domestic mechinery and appliances. TV and radios and similar consumer products against lightning and switching surges. Telecommunication circuit protection Power supply circuit protection Line circuit Varistor voltage selection table (ZL) Power supply voltage 100V AC Type SVC201D-A SVC221D-A SVC241D-A SVC271D-A SVC391D-A SVC431D-A SVC471D-A SVC220D-B SVC390D-B 200V AC 12V DC 24V DC Notes : The power supply voltage must not exceed the maximum allowable circuit voltage. Since independent wiring loads and capacitive loads cause the voltage build-up at the time of opening or closing the load, use SVC having a varistor voltage as high as possible.( mark) The bold faced portions of the type letters vary. AC/DC single-phase circuit Varistor voltage selection guied Power supply voltage 12V DC 24V AC Type SVC180D-B SVC220D-B SVC820D-A SVC390D-B SVC820D-A Notes : The varistor SVC has a capacitance value. Take not of this when applying them to high-frequency signal circuits. Switching circuit protection Protection of relay (Contact coil) Protection of semiconductors AC three-phase circuit Line and groud circuit Varistor voltage selection table (ZE) Power supply voltage 100V AC 200V AC Type SVC431D-A SVC471D-A SVC751D-A to SVC 112D-A SVC182D-A Notes : When subjected to megger testing (500V DC), the insulation resistance value can decrease due to the leakage current of the SVC, To avoid this remove the varistor or use marked SVC. When subjected to dielectric strength test(1000V AC). remove the SVC or use marked SVC. Select varistors taking a note of operating conditions peculiar to the equipment. AC/DC single-phase circuit AC three-phase circuit Varistor voltage selection guide Power supply voltage 12V DC 24V DC 100V DC 100V AC Type SVC220D-B SVC390D-B SVC151D-A SVC201D-A SVC221D-A SVC241D-A SVC271D-A Notes : The power supply voltage must not exceed the maximum allowable circuit voltage of the SVC Pay due attention to the surge energy generated by the load. Select SVC referring to the pulse lifetime rating. To further reduce the tendency of sparking across the contacts connect a capacitor parallel with the SVC. This will also protect the equipment from electromagnetic wave jamming. 57 CERAMIC SURGE ABSORBERS (VARISTORS) SVC Application notes 1. Overcurrent protection 2.Installation When surges exceed the rating for the SVC, short-circuits or damages can be expected. Take following precautions. When operated at location near heating element or exposed to direct sun light, confirm that the the ambient temparature range. When operated in dusty or dirty locations, or exposed to corrosive atomospheres, or where metallic powders or salt can be expected, be sure to mount within a protective enclosure. 3. Molding When shielding the SVC in a resin molding, take a note of the materials used and temperature, since they influence the reliability. For further information please contact SAMWHA 4.Current, power and energy rating vs, temperature Connect the SVC at a position nearer to the equipment than the overcurrent protection device""(fuse, MCCB) as is shown in the diagram. When the SVC is shorted, the overcurrent protection device ""operates (trips or blow off the fuse). If the overcurrent protection device""can not be installed in""position, connect a fuse at""position. Select fuse rated current for the SVC referring to the following table. 05A 05B SVC Applicable fuse 1 to 2 rated current(A) 07A 07B 10A 10B 14A 14B 20A 20B 2 to 3 3 to 5 3 to 10 5 to 15 When"Z2"SVC is connected between the equipment and ground install an ELCB (Earth Leakage Circuit Breaker). If not possible, connect a fuse or thermal fuse at""position. 5. Electrical Characteristics Operating ambient temperature Storage temperature Voltage temperature coefficient Insulation resistance(at500V) -40 to + 85 -40 to + 125 -0.05% Over 1000M Recognized standards Standard UL 1449 Date 93.03.03 Content Transient Voltage surge suppressors UL UL 1414 UL 497B CAS C22.2 NO.1-M 1981 ISO 9002 58 88.05.10 Across-The-Line Components 93.07.06 Protectors for data communication and fire alarm circuirt 93.07.27 Varistor for Across -The-Line use as transient protection on 120Vac system 94.12.15 Applicable SVC series Cord connected and Direct Plug in Type Equipment 05Series 07Series 10Series 14Series 20Series Pemanently connected type equipment 10Series 14Series 20Series 125V AC 250V AC SVC 201D - A ~SVC 391D - A SVC 391D - A ~SVC 182D - A SVC 180D - ~SVC 821D - 125V AC SVC 201D - A ~SVC 182D - A File No. E151195 E97754 E154171 LR78923 KRQ-007/94 CERAMIC SURGE ABSORBERS (VARISTORS) SVC APPLICATION EXAMPEL 59 CERAMIC SURGE ABSORBERS (VARISTORS) SVC Varistor Terminology Varistor Voltage : Vnom Varistor peak terminal voltage measured with a specified current applied The DC current applied is 1mA normally. Clamping voltage : Vc Maximum terminal voltage (peak voltage across the varistor) measured with an applied 8/20 impulse of a given peak current. Rated transient energy : Wtm Maximum allowable energy for a single impulse of 2ms square-wave current waveform with rated continuous voltage applied. Maximum energy rating base on a shift of Vnom of less than 10% of initial value. Tset current waveform Characteristics tests for Varistors are carried out by using 8/20 test impulses Data such as the maximum clamping voltage(Vc)and the transient peak current(ltm) are obtained by using this impulse current. However, for the Vc characteristics of the Axial package type a 10mA DC squarewave current is used to cary out the test. Pulse lifetime rating This is expressed as the maximum allowable number of impulse currents applied. 8/20 impulse current (or 2ms square wave) is applied at prescribed interval. This curve also provides for derating current as required with repetitive pulsing. Rated RMS Voltage : Vacm Maximum continuous sinusoidal RMS voltage at 50/60Hz which may be applied. Rated DC Voltage : Vdcm Maximum continuous DC voltage which may be applied. Rated average power dissipation : Ptam Capacitance Typical values measured at a test frequency of 1kHz Rated peak transient current : itm Maximum peak current through the varistor with line voltage applied. The maximum peak current with in the varistor voltage change ratio of 10% with the standard 8/20 impulse current applied two times at 5 minute interval. 60 Maximum average power that can be applied within the specified ambient temperature.