/ 1N4728A thru Microsemi Corp. wa7ena / SCOTTSDALE, AZ / For more information call: / (602) 941-6300 FEATURES SILICON 3.3 THRU 100 VOLT VOLTAGE RANGE 1 WATT e HIGH SURGE CURRENT RATING ZENER DIODES e HIGHER VOLTAGES AVAILABLE, SEE 1EZ SERIES MAXIMUM RATINGS Junction and Storage Temperature: --65C to +200C DC Power Dissipation: 1 Watt Power Derating: 10mW/C, from 100C Forward Voltage @ 200 mA: 1.2 Volts oz Max, e| + |-= ___.. *ELECTRICAL CHARACTERISTICS @ 25C MAXIMUM MAXIMUM | MAXIMUM MAXIMUM JEDEC ZENER TesT | ovnamic |MAXIMUM| Test IREGULATOR| KNEE | TEST | (SURGE) pee = Oe 14 TYPE VOLTAGE | CURRENT|IMPEDANCE VOLTAGE| CURRENT |IMPEDANCE| CURRENT) CURRENT . : 110 CURRENT MIN. NUMBER (Vz) (tzr) | (2z1 @ tz1) (lk @ Ve) (Vr) (Iza) |(Zzk (@ Uze)]} {Izx) (ts) 27,940 (Note 1} (note 4) (Note 2). |e @ Ve Ta 50C} (Note 2) (Note 3) VOLTS mA OHMS na VOLTS mA OHMS mA mA 1N4728A 3.3 76 10 100 1 276 400 1.0 1380 1N4729A 3.6 69 10 100 1 252 400 1.0 1260 0.20 MAX 1N4730A 3.9 64 3 50 1 234 400 10 1190 5.207 MAX. IN4731A 43 58 9 10 1 217 400 Lo 1070 1847328 47 53 8 10 1 193 500 1.0 970 1N4733A 5.1 49 7 10 1 178 550 10 890 4N4734A 5.6 45 5 10 2 162 600 HO 810 1N47350 6.2 4l- 2 10 3 146 700 1.0 730 140 57 aan MIN. 1N4736A 6.8 37 3.5 10 4 133 700 1.0 660 27.940 1N4737A 75 34 4.0 10 5 121 700 0.5 605 1N4738A 8.2 31 45 10 6 110 700 05 550 1NA7398 9.4 28 5.0 10 7 100 700 05 500 1N4740A 10 25 7 10 76 91 700 0.25 454 __1__. 1NQ741A 11 23 8 5 8.4 83 700 0.25 aig 1N4742A 12 21 9 5 9.1 76 700 0.25 380 1N4743A 13 19 10 5 9.9 69 700 0.25 344 1N47448 15 17 14 5 114 61 700 0.25 304 FIGURE 1 1N47458 16 15.5 16 5 12:2 57 700 0.25 285 INCH 1N4746A 18 14 20 5 13.7 50 750 0.25 250 All dimensions in 1N4747A 20 12.5 22 5 15.2 45 750 0.25 225 m.m. 1N4749A 22 11.5 23 5 16.7 41 750 0.25 205 AN47494 24 10.5 25 5 18.2 38 750 0.25 190 MECHANICAL 1N4750A 27 95 35 5 20.6 34 750 0.25 170 CHARACTERISTICS INA751A 30 a5 40 5 22.8 30 1000 0.25 150 1N47528 33 75 45 5 25.1 27 1000 0.25 135 CASE Molaed encapsulation, axial 1N47538 6 70 50 5 27.4 25 1000 0.25 2 . AN47548 39 6.5 60 5 23.7 23 1000 0.25 115 ead package (DO-41). INA755A 43 6.0 70 5 32.7 22 1500 0.25 110 FINISH: Corrosion resistant. Leads 1N4756A 47 5.5 80 5 35.8 19 1500 0.25 95 INA7BTA 51 5.0 95 5 38.8 18 1500 0.25 90 are solderable. 1N475BA 56 45 110 5 42.6 16 2000 0.25 80 . 1N4759A 62 40 125 5 a7 4 2000 0.25 70 THERMAL RESISTANCE: 45C/ 1NATBOA 68 37 150 5 51.7 13 2000 0.25 65 Watt junction to lead at 0.375- 1N4761A 75 33 175 5 56.0 12 2000 0.25 60 j 1N4762A 82 3.0 200 5 62.2 11 3000 0.25 55 inches from body. 1N4763A 91 2.8 250 5 69.2 10 3000 0.25 50 POLARITY: Banded end is cathode IN4764A 100 25 350 5 76.0 9 3000 0.25 45 . WEIGHT: 0.4 grams (Typical). *JEDEC Registered Data 5-335-34 1N4728A thru 1N4764A PLASTIC NOTE 1. The JEDEC type numbers shown have a 5% tolerance on nominal zener voltage. No suffix signifies a 10% tolerance, C signifies 2%, and D signifies 1% tolerance. NOTE 2 The Zener impedance is derived from the 60 Hz ac voltage, which results when an ac current having an rms value equal to 10% of the DC Zener current (Iz7 or Iz) is superimposed on Izzy or Iz. Zener impedance is measured 1000 1N4730A _ Q oa Zz, ZENER IMPEDANCF (OHMS) 1N4738A (8.2V) ON 1.0 10 100 Iz, ZENER CURRENT (mA) FIGURE 2 TYPICAL ZENER IMPEDANCE vs. ZENER CURRENT FOR TYPES SHOWN at two points to insure a sharp knee on the breakdown curve and eliminate unstable units. NOTE3 The reverse surge current is measured at 25C ambient using a 1/2 square wave or equivalent sine wave pulse 1/120 second duration superimposed on Izy. NOTE 4 Voltage measurements to be performed 90 sec- onds after application of DC current. 1000 ~ Q o Zz, ZENER IMPEDANCE (OHMS) . 10 lz, ZENER CURRENT (mA) oh 1.0 100 FIGURE 3 TYPICAL ZENER IMPEDANCE vs. ZENER CURRENT FOR TYPES SHOWN 100 oO = 10 ~ af = 78 7 z = 1000 z = 75 g 2 ZB = i 50 a S 1 3 / & 50 & wold wu S Ss 1N4746A s 100 ING751A = = 8 ia ety ae =. . = (100) e 0 1. 100 0 26 50 75 100 0 50 100 150 200 REVERSE VOLTAGE VOLTS NOMINAL ZENER VOLTAGE (VOLTS) T,, Lead temperature (C) 3/8 from body FIGURE 5 FIGURE 6 FIGURE 4 CAPACITANCE vs. VOLTAGE FOR REPRESENTATIVE TYPES TEMP. COEFF. vs. ZENER VOLTAGE POWER DERATING CURVE