SENSITRON SEMICONDUCTOR 20KPA SERIES GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPERSSOR Data Sheet 1251, Rev. B Features * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * Glass passivated junction * 20000W Peak Pulse Power capability on 10/1000 s waveform * Voltage-20.0 to 300 Volts * Excellent clamping capability * Repetition rate (duty cycle): 0.05% * Low incremental surge resistance * Fast response time: typically less than 1.0 ps from 0 volts to BV * Typical I R less than 1A above 10V * High temperature soldering guaranteed: 265C/10 seconds/.375", (9.5mm) lead length, 5lbs., (2.3kg) tension * UL Recognized File # E224235 MECHANICAL DATA Case:Molded plastic over glass passivated junction Terminals: Plated Axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denoted positive end (cathode) except Bipolar Mounting Position: Any Weight: 0.07 ounce, 2.1 gram P-600 1.0(25.4) MIN .360(9.1) .340(8.6) DIA .360(9.1) .340(8.6) .052(1.3) .048(1.2) DIA 1.0(25.4) MIN Dimensions in inches (milimeters) DEVICES FOR BIPOLAR APPLICATIONS For Bidirectional use C or CA Suffix for types 20KPA30 thru types 20KPA288 Electrical characteristics apply in both directions. MAXIMUM RATINGS AND CHARACTERISTICS Ratings at 25C ambient temperature unless otherwise specified. RATING Peak Pulse Power Dissipation on 10/1000 s waveform (NOTE 1) Peak Pulse Current of on 10-1000 s waveform (NOTE 1) Steady State Power Dissipation at TL=75 C Lead Lengths .375", (9.5mm) (NOTE 2) Peak Forward Surge Current, 8.3ms Sine-Wave Superimposed on Rated Load, (JEDEC Method) (NOTE 3) Operatings and Storage Temperature Range SYMBOL Pppm VALUE 20000 UNITS Watts Ippm SEE TABLE 1 Amps Pm(AV) 8.0 Watts 400.0 Amps -55 to +175 C IFSM Tj, Tstg Note: 1. Non-repetitive current pulse, per Figure 3 and derated above TA = 25C per Figure 2 2. Mounted on Copper Pad area of 0.8" x 0.8" (20 x 20mm) 3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle=4 pulses per minute maximum * ! ! !!"#$* * % & '(&)*+,,---. & ./0*12&%# %3 & ./0* SENSITRON SEMICONDUCTOR 20KPA SERIES GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPERSSOR Data Sheet 1251, Rev. B UNI-POLAR BI-POLAR 20KPA20A 20KPA24A 20KPA26A 20KPA28A 20KPA30A 20KPA32A 20KPA34A 20KPA36A 20KPA40A 20KPA44A 20KPA48A 20KPA52A 20KPA56A 20KPA60A 20KPA64A 20KPA68A 20KPA72A 20KPA80A 20KPA88A 20KPA96A 20KPA104A 20KPA112A 20KPA120A 20KPA132A 20KPA144A 20KPA160A 20KPA172A 20KPA180A 20KPA192A 20KPA204A 20KPA216A 20KPA232A 20KPA240A 20KPA256A 20KPA280A 20KPA300A 20KPA20CA 20KPA24CA 20KPA26CA 20KPA28CA 20KPA30CA 20KPA32CA 20KPA34CA 20KPA36CA 20KPA40CA 20KPA44CA 20KPA48CA 20KPA52CA 20KPA56CA 20KPA60CA 20KPA64CA 20KPA68CA 20KPA72CA 20KPA80CA 20KPA88CA 20KPA96CA 20KPA104CA 20KPA112CA 20KPA120CA 20KPA132CA 20KPA144CA 20KPA160CA 20KPA172CA 20KPA180CA 20KPA192CA 20KPA204CA 20KPA216CA 20KPA232CA 20KPA240CA 20KPA256CA 20KPA280CA 20KPA300CA REVERSE MAXIMUM PEAK REVERSE BREAKDOWN BREAKDOWN VOLTAGE VOLTAGE PULSE LEAKAGE CLAMPING TEST STANDOFF VBR (V) VBR (V) VOLTAGE CURRENT CURRENT @ VRWM VOLTAGE IPP (A) IR (A) @IPP Vc (V) (IT) mA MIN. @ IT MAX. @ IT VRWM (V) 5000 20.00 25.60 28.00 50 543.0 36.8 24.00 26.68 29.48 50 485.0 5000 41.2 26.00 28.88 31.92 50 446.0 2000 44.8 28.00 31.12 34.40 50 417.0 1000 48.0 30.00 33.32 36.84 5 388.0 250 51.6 32.00 35.56 39.32 5 368.0 150 54.4 34.00 37.76 41.60 5 347.0 50 57.6 36.00 40.00 44.40 5 325.0 20 61.6 40.00 44.40 49.20 5 294.0 15 68.0 44.00 48.80 54.00 5 275.0 10 72.8 48.00 53.20 58.80 5 251.0 10 79.6 52.00 57.60 63.60 5 233.0 10 86.0 56.00 62.40 68.80 5 216.0 10 92.8 60.00 66.80 74.00 5 205.0 10 97.6 64.00 71.20 78.80 5 192.0 10 104.0 68.00 75.60 83.60 5 181.0 10 110.4 72.00 80.00 88.40 5 171.0 10 116.8 80.00 88.80 98.00 5 154.0 10 129.6 88.00 97.60 107.60 5 141.0 10 142.0 96.00 106.80 118.00 5 129.0 10 155.6 104.00 115.60 127.60 5 119.0 10 168.4 112.00 124.40 137.60 5 110.0 10 181.6 120.00 133.20 147.20 5 103.0 10 193.6 132.00 146.80 162.40 5 93.8 10 213.2 144.00 160.00 176.80 5 86.1 10 232.4 160.00 177.60 196.40 5 77.5 10 258.0 172.00 191.20 211.20 5 72.0 10 277.6 180.00 200.00 221.20 5 68.8 10 290.8 192.00 213.20 235.60 5 64.6 10 309.6 204.00 226.80 250.80 5 60.7 10 329.6 216.00 240.00 265.20 5 57.4 10 348.4 232.00 257.60 284.80 5 53.4 10 374.4 240.00 266.80 294.80 5 51.7 10 387.2 256.00 284.40 314.40 5 48.5 10 412.0 280.00 311.20 344.00 5 44.2 10 452.0 300.00 333.20 368.40 5 41.3 10 484.0 For bidirectional type having Vrwm of 40 volts and less, the IR limit is double. For parts without A , the VBR is + 10% * ! ! !!"#$* * % & '(&)*+,,---. & ./0*12&%# %3 & ./0* GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPERSSOR Data Sheet 1251, Rev. B 10000 Pppm PEAK PULSE POWER KW Non-repetitive pulse waveform shown in Fig. 3 T A = 25C 1000 100 10 1 0.1 1 10 100 1,000 10,000 100,000 td PULSE WIDTH (sec) FIG. 1 PEAK PULSE POWER RATING Fig.2 - Pulse Derating Curve 100 Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage,% 87.5 75 62.5 50 37.5 25 12.5 0 0 25 50 75 100 125 150 175 200 TA - Ambient Temperature (C) Fig.3 - Pulse Waveform I IPPM - Peak Pulse Current,% IRSM 20KPA SERIES SENSITRON SEMICONDUCTOR 150 TJ = 25C tr = 10 sec.. Pulse Width(td)is defined as the point where the peak current decays to 50% of IPPM Peak Value IPPM 100 Half Value- IPPM 2 10/1000 sec.Waveform as defined by R.E.A. 50 td 0 0 1.0 2.0 3.0 3.0 4.0 4.0 t - Time(ms) * ! ! !!"#$* * % & '(&)*+,,---. & ./0*12&%# %3 & ./0* SENSITRON SEMICONDUCTOR SERIES 20KPA GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPERSSOR Data Sheet 1251 Rev. B DISCLAIMER: 1- The information given herein, including the specifications and dimensions, is subject to change without prior not ice to improve product characteristics. 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