MICROSEMI CORP FEATURES 6.8 T0 200V ZENER VOLTAGE RANGE 1N962B-1 THRU 1NQ92B-1 AVAILABLE IN JAN, JANTX AND JANTXV QUALIFICATIONS TO MIL-S-19500/117 METALLURGICALLY BONDED DEVICE TYPES CONSULT FACTORY FOR VOLTAGES ABOVE 200 V MAXIMUM RATINGS Steady State Power Dissipation: 400 mW STE Operating and Storage Temperature: - 65C to + 175C Derating Factor Above 75C: 4.0 mW/C Forward Voltage @ 200 mA: 1.5 Volts D * ELECTRICAL CHARACTERISTICS @ 25C M@@ 6115865 0001853 696 MNse 1N957B thru 1N992B DO-35 NOMINAL | oeweR | Tmax. oc | max. SURGE [MAX. REVERSE yeoes ZENER EMER | MAX. ZENER IMPEDANCE | ZENER | CURRENT | LEAKAGE VOLTAGE (Nate 3: CURRENT |(RECURRENT)} CURRENT MAX. TEMP. TYPE yerese | CURRENT feet ee nate Se COEFFICIENT NUMBER vz Wr ter @ tat tm @ lx Vow | az (SURGE) | lk Va Give VOLTS mA DHMS | OHMS ma mA mA | A: VOLTS %/rC 1N957B 68 18.5 45} 700 Lo 58 300 150 52] +40.08 1Ngsa8 15 16.5 5.5| 700 5 50 275 15 57 | 40.058 iwas9e 82 15.0 65} 700 5 45 250 50 62] 40.065 1N9608 91 140 75} 700 4 al 225 25 | 69 | +0.068 1N9618 10 12.5 as] 700 25 38 200 10 7.6 | +0.075 1N962B ll 11.5 a5 700 25, 1N963B 12 10.5 11.5 700 25 1N9B48 13 9.6 13.0 700 25 +NSGSB 15 a5 16 700 25 1NSB6B 16 78 7 700 125 2 a 28 25 24 175 160 150 130 120 5 9.1 9.9 11.4 12.2 +0.076 +0.077 +0.079 +0.082 +0.083 1N9678 18 7.0 21 750 25 1N968B 20 6.2 25 750 25 INSBSB 22 5.6 29 750 25 1N9708 24 5.2 33 750 25 TNSTIB 27 46 a 750 25 20 18 16 15 13 110 100 90 a0 70 13.7 16.2 16.7 18.2 20.6 +0.085 +0.086 +0.087 +0.088 +0.090 18972B 30 42 a9 1000 25. 1NS738 33 3.8 58 1000 25 1NS74B 36 34 70 1000 25 1N975B 39 3.2 40 1000 25 tW976B ay 3.0 93 1500 25 12 M 10 95 83 65 60 58 46 a4 22.8 25.1 27.4 29.7 32.7 +0.091 +0.092 +0.094 -+0.094 +0.095 1NS77B 47 27 105 1500 25 74 40 35.8 +0.095 1N5786 51 25 128 1500 25 74 cE 388 +0.096 1N978B 56 2.2 150 2000 25 68 35 42.6 +0.096 1N9808 62 2.0 185 2000 25 6.0 30 47 +0.097 1N981B 68 1g} 230 2000 25 5.5 28 $1.7 +0.097 1N982B 78 Ww 270 2000 25 5.0 26 56.0 +0.098 169838 a2 1s 330 3000 25 46 23 62.2 +0.098 1N9848 a1 14 400 3000 25 al 21 69.2 +0.099 19858 100 13 500 3000 25 a7 18 26.0 +011 1N9B6B 110 ML 750: 4000 25 33 16 83.6 +0.11 1NS87B 120 10 900 4500 25 1N9888 430 0.95 1100 5000 25 1N989B 180 0.85 1900 6000 25 1N9S0B 160 0.80 1700 6500 25 THS91B 180 0.68 2200 7109 25 149928 200 0.65 8000 25 31 27 24 22 2.0 1B 15 13 12 MV 10 9 wuEuuulaunumalonamupannwulauannulonowi 912 98.8 114.0 121.6 136.8 152.0 *JEDEC Registered Data MICROSEMI CORP S4E D 1N957B thru 1N992B DO-35 NOTE1 The JEDEC type numbers shown (B suffix) have a +5% tolerance on nominal zener voltage. The suffix A is used to identify + 10% tolerance: suffix C is used to identify + 2%; and suffix D is used to identify + 1% tolerance; no suffix indicates + 20% tolerance. NOTE 2 Zener voltage (Vz) is measured after the test current has been applied for 20 + 5 seconds. The device shall be suspended by its leads with the inside edge of the mounting clips between .375 and .500 from the body. Mounting clips shall be maintained at a temperature of 25 +8/-2C. NOTE 3 The zener impedance is derived from the 60 cycle A.C. voltage, which results when an A.C. current xy So a 17 o TAGE TEMPERATURE 150 COEFFICIENT % / So a) an ~~ oO So oa Qo wn ~ o a S So Do /AW IN319144900 JNNLYYIdN3L S a a iy aA TEMPERATURE COEFFICIENT %/C = = 3S 2 NOMINAL ZENER VOLTAGE (VOLTS) FIGURE 2 ZENER VOLTAGE TEMPERATURE COEFF. vs. ZENER VOLTAGE Mi 6115465 0001854 Sey Mmsc having an R.M.S. value equal to 10% of the D.C. zener current (Iz7 or Izx) is superimposed on Izy or I7x. Zener impedance is measured at 2 points to insure a sharp knee on the breakdown curve and to eliminate unstable units. NOTE 4 The values of Izy are calculated for a +5% tolerance on nominal zener voltage. Allowance has been made for the rise in zener voltage above Vz_ which results from zener impedance and the increase in junction temperature as power dissipation approaches 400 mW. In the case of individual diodes 17 y is that value of current which results in a dissipation of 400 mW at 75C lead temperature at 3/8 from body. NOTE 5 Surge is 1/2 square wave or equivalent sine wave pulse of 1/120 sec. duration. 400 300 200 100 RATED POWER DISSIPATION mW 0 0 25 50 75 100 125 150 175 T., Lead temperature (C) 3/8 from body FIGURE 3 POWER DERATING CURVE CAPACITANCE vs. Vz CURVE TYPICAL CAPACITANCE IN PICOFARADS 200 4 86 6 100 120 MO 169 180 200-220 ZENER VOLTAGE Vz FIGURE 4 CAPACITANCE VS. ZENER VOLTAGE (TYPICAL)