MOTOROLA SC (DIODES/OPTO) B4E D MM 6367255 O08b221 278 MMMOT? MOTOROLA 1N3879 thru 1N3883 Po m SEMICONDUCTOR mRI366 | 1N3881 and MR1366 are Motorola Preterred Devices STUD MOUNTED FAST RECOVERY FAST RECOVERY POWER RECTIFIERS POWER RECTIFIERS 50-600 VOLTS . .. designed for special applications such as de power supplies, inverters, converters, ultrasonic systems, choppers, low RF interference, sonar power supplies and free wheeling diodes. A complete line of fast recovery rectifiers having typical recovery time of 150 nanoseconds providing high efficiency at frequencies to 250 kHz. 6 AMPERES CASE 2454-02 DO-203AA i} Designers Data for Worst Case" Canditions METAL The Designers Data sheets permit the design of most circuits entirely from the information presented Lemit curves representing boundaries on device character- sstrcs are given to facilitate worst case design. MECHANICAL CHARACTERISTICS CASE: Welded, hermetically sealed FINISH: All external surfaces corrosion resistant and readily solderable POLARITY: Cathode to Case *MAXIMUM RATINGS WEIGHT: 5 6 Grams (aparoximately) Rating Symbol | 1N3879 | 1N38a0 ] 1N3a81 | 1N3882 | 1N3883 }MAI366{ Unit . MOUNTING TORQUE: 15 in-Ibs max. Peak Repeutive Reverse Voltage VRRM Valts Working Paak Reverse Voltage Vawm so 00 200 300 400 600 OC Blocking Voltage VR Non-Rapetitive Peak Reverse Voltage VRSM 75 150 250 350 450 650 | Volts RMS Reversa Volrage Vaiams) | 38 70 340 210 280 420 | volts Average Rectified Forward Current 19 Amps (Single phasa resistive load ______ 60 ____+- > Tg = 100C) Non-Repetitive Peak Surge Currant IFSM Amps {surge applied at rated load $$ 0 continuous) tone cycle} Operating Junction Temperature Range Ty ~~ 85 to +150 _____ % Storage Temperature Range Tstg -- -65 to +175 ___ ec THERMAL CHARACTERISTICS ZZ Characteristic ] Symbol [ Max L Unit | | Thermal Resistance, Junction to Case | Agsc [ 30 | Sciw | Motorola guarantees the listed value, although parts having higher values of thermai resistance will meet the current rating Thermat resistance is nat required by the JEDEC registration. *ELECTRICAL CHARACTERISTICS Charactersstic Symbol Min Typ Max Unit Instantaneous Forward Voltage ve Volts ftp = 19 Amp, Ty = 150C) - 12 16 Forward Voltage VE Volts {ig = 6 O Amp, To = 25C} = 10 14 Reverse Current {rated de voltage) Te = 25C IR = 10 15 aA Te = 100C - 05 10 mA REVEASE RECOVERY CHARACTERISTICS Characteristic Symbol Min Typ Max Une Reverse Recovery Time ter ns "eM = 10 Amp to VR > 20 Vdc, Figure 18) - 180 200 (gm = 36 Amp, di/dt = 25 Alus, Figure 17) - 200 400 Reverse Recovery Current AM(REC) amp tig = 1.0 Amp to Vj = 90 Vic, Figure 16) 70 Indicates JEDEC Registered Data for 1N3879 Series.MOTOROLA SC (DIODES/OPTO) &YE D MM 6367255 OO04beee 134 MENOT? 1N3879 thru 1N3883, MR1366 FIGURE 1 FORWARD VOLTAGE FIGURE 2 MAXIMUM SURGE CAPABILITY 30 to surge, the rectitrer =| I 1s operated such that Ty = 150C, VRRM may be applied between pach cycle of surge 2 3 > Ss en o PERCENT OF RATED 1 CYCLE SURGE (If SURGE) nm S 30 07 NUMBER OF CYCLES AT 60 Hz 10 20 NOTE 1 Pok Pok OUTY CYCLE O- tp'ty Ip PEAK POWER Poy 1s 0eak af an Equivalent square power pulse | To determine maximum junchon temperature of Ihe diode in a given sHluabon the foltowing procedure 1s recommended TIME +f, INSTANTANEOUS FORWARD CURRENT (AMP) The temperature of the case should be measured using a thermocouple placed On the case al the temperature relerence point (see Note 3) The thermal mass connected ta the case 1s normally large enough so that vt will net signilicantly respond ta heat surges generated in the diade as 3 resull of pulsed operation once steady state conditionsare achieved Using the measured valueof Tc the junclion temperature may be delermuned by Teeter Tye where Tye 5 the increase in junction lemperature above the case temperature It may be determined by STC = Pok Agsic (D+ (1-D) rity + tp) # sftp) vty where 08 12 16 20 24 28 32 ; normaized vatue of transient thermal resistance al ime t from Figure ve INSTANTANEOUS FORWARD VOLTAGE (VOLTS) r (ty # tp) = normalized value of transient thermal resistance at time t* tp FIGURE 3 THERMAL RESPONSE o oOo 2 oom oo e(t), EFFECTIVE TRANSIENT THERMAL RESISTANCE (NORMALIZED) o oa 000! 0002 0005 ooF O42 O05 O11 02 as 10 20 50 10 20 50 100 200 500 1, TIME {ms) i000 2000 5000 10,000MOTOROLA PFiAv). AVERAGE FORWARD POWER DISSIPATION (WATTS) o ~~ oo o oo oo wn = lF(Ay) AVERAGE FORWARD CURRENT (AMP) = N wo of os os cs 85 o o Ip, REVERSE CURRENT (uA) SC CDIODES/OPTO) BYE D MM 6367255 O08bee3 O70 MNOT? 1N3879 thru 1N3883, MR1366 SINE WAVE INPUT FIGURE 4 FORWARD POWER DISSIPATION LOADS RESISTIVE INDUCTIVE 1g 20 30 40 50 60 'F(ay) AVERAGE FORWARD CURRENT (AMP) 70 FIGURE 6 CURRENT DERATING 80 80 90 100 116 120 140 Tc CASE TEMPERATURE !9C) 130 FIGURE 8 TYPICAL REVERSE CURRENT yal 200 300 400 500 600 Vr, REVERSE VOLTAGE (VOLTS) 1s0 700 3-9 Pe(ay) AVERAGE FORWARD POWER Ig(av) AVERAGE FORWARD CURRENT (AMP) Ip, REVERSE CURRENT (NORMALIZED) DISSIPATION (WATTS) os 7 a wn e nN 2 o 0 o oo ~ o a wm o nS 2 w o N a a o to! 709 wl 10-2 20 30 40 50 668 SQUARE WAVE INPUT FIGURE FORWARD POWER DISSIPATION CAPACITIVE LOAOS \Pk) a Nav) 20-5 10 20 30 40 60 60 80 if(av) AVERAGE FORWARD CURRENT (AMP} 70 FIGURE 7 CURRENT DERATING CAPACITIVE yo tenes fay) 2050 10 | 80 90 100 10 120 Tc CASE TEMPERATURE (C) 130 140 150 FIGURE 9 - NORMALIZED REVERSE CURRENT 70 8 690 100 110 120 130 140 150 160 Ty, JUNCTION TEMPERATURE (C}MOTOROLA SC (DIODES/OPTO) b4E D MM 6367255 008bee4 TO? MBNOT? 1N3879 thru 1N3883, MR1366 TYPICAL DYNAMIC CHARACTERISTICS FIGURE 10 FORWARD RECOVERY TIME FIGURE 11 JUNCTION CAPACITANCE Ty = 26C Ty = 259C = uF / . ! w w z bette Ute z > Ss s 3 g < # 5 : z < o = 3 oc eo 4 1.0 20 50 10 20 50 100 10 20 50 10 20 50 100 Ig. FORWARD CURRENT (AMP} VA. REVERSE VOLTAGE (VOLTS) TYPICAL RECOVERED STORED CHARGE DATA (See Note 2) FIGURE 12 Ty = 25C FIGURE 13 - Ty = 75C lem = 20A 05 a0A {rat = 20 40a 02 a1 Qp. RECOVERED STORED CHARGE {yc} Og RECOVERED STORED CHARGE (uc) 0.06 002 oat 10 20 50 10 20 50 100 ld 20 $0 40 20 50 100 di dt {AMP ps) di dt (AMP ys) FIGURE 14 Ty = 100C FIGURE 15 Ty = 150C tem - 204 tem = 4d a 40A 05 02 a2 01 1 US QR RECOVERED STORED CHARGE tyuct \ Qn RECOVERED STORED CHARGE Ipc) TOA oa2 002 1a 20 50 10 20 50 100 10 20 50 io 20 50 100 dit (AMP/us) di/dt (AMP/ps)MOTOROLA SC (DIODES/0PTO) BYE D WM 6367255 O0&8beeS 943 1N3879 thru 1N3883, MR1366 FIGURE 16 JEDEC REVERSE RECOVERY CIRCUIT MENOT? al WAr rot A R1 = 50 Ohms nN dv/dt ADJUST R2 = 250 Ohms D1 = 1N4723 T2 02 = 1N4001 03 = 1N4333 120 VAC oe cfs pk) ADJUST SCAI = MCR729 10 60 He a. BUT C1 =06 to 50 uF W C2 = 4000 uF t1=10-27yH lg se TI = Variac Adjusts 1(pK) and di/dt [- 2 R2 PT axa T2=1.1 ~0262 T3 = 1.1 (to trigger curcuit) 01 73 SCRI L<001 pH le I Cow-el te > 1 Ww OSCILLOSCOPE Beusnent VIEWING RESISTOR NOTE 2 Reverse recovery time is the period which elapses from the time that the current, thru a previously forward biased rectifier ' diode, passes thru zero going negatively until the reverse current FM recovers to a point which is less than 10% peak reverse current Reverse recovery time is a direct function of the forward current prior to the application of reverse voltage For any given rectifier, recovery time Is very circuit depend- ent Typical and maximum recovery time of all Motorola fast IRM(REC) 4 recovery power rectifiers are rated under a fixed set of conditions using lp = 10 A, Vg = 30 V_ in order to cover all circuit conditions, curves are given for typical recovered stored charge versus commutation di/dt for various tevels of farward current and for junction temperatures of 25C, 75C, 100C, and 150C To use these curves, it is necessary to know the forward current level just before commutation, the circuit commutation di/dt, and the operating junction temperature The reverse re- covery test current waveform for ali Motorola fast recovery rectifiers is shown From stored charge curves versus di/dt, recovery time {trp} and peak reverse recovery current (fRM(REC}) can be closely approximated using the foilowing formulas Op V2 di/dt typ = 141 | laminae) = 141 x [ag x avr] 7? 3-11