1N746A-1 THRU 1N759-1 AVAILABLE IN JAN, JANTX AND JANTXV 1N746 thru 1N759A and PER MIL-PRF-19500/127 1N746A-1 thru 1N759A-1 1N4370A-1 THRU 1N4372A-1 AVAILABLE IN JAN, JANTX AND JANTXV and PER MIL-PRF-19500/127 1N4370 thru 1N4372A DOUBLE PLUG CONSTRUCTION and 1N4370A-1 thru 1N4372A-1 METALLURGICALLY BONDED MAXIMUM RATINGS Operating Temperature: -65C to +175C Storage Temperature: -65C to +175C DC Power Dissipation: 500 mW +50C Power Derating: 4 mW / C above +50C Forward Voltage 200mA: 1.1 volts maximum ELECTRICAL CHARACTERISTICS 25C JEDEC NOMINAL ZENER MAXIMUM MAXIMUM MAXIMUM TYPE ZENER TEST ZENER REVERSE CURRENT ZENER NUMBER VOLTAGE CURRENTIMPEDANCE I V CURRENT R R V 1 1 (NOTE 3) 1 Z ZT ZT ZM (NOTE 1) (NOTE 2) Z 1 ZT ZT VOLTS mA OHMS A VOLTS mA 1N4370A 2.4 20 30 100 1.0 155 1N4371A 2.7 20 30 60 1.0 140 1N4372A 3.0 20 29 30 1.0 125 FIGURE 1 1N746A 3.3 20 28 5 1.0 120 1N747A 3.6 20 24 3 1.0 110 1N748A 3.9 20 23 2 1.0 100 1N749A 4.3 20 22 2 1.0 90 DESIGN DATA 1N750A 4.7 20 19 5 1.5 85 1N751A 5.1 20 17 5 2.0 75 CASE: Hermetically sealed glass 1N752A 5.6 20 11 5 2.5 70 case. DO 35 outline. 1N753A 6.2 20 7 5 3.5 65 1N754A 6.8 20 5 2 4.0 60 LEAD MATERIAL: Copper clad steel. 1N755A 7.5 20 6 2 5.0 55 1N756A 8.2 20 8 1 6.0 50 LEAD FINISH: Tin / Lead 1N757A 9.1 20 10 1 7.0 45 1N758A 10.0 20 17 1 8.0 40 THERMAL RESISTANCE: (R ): OJEC 1N759A 12.0 20 30 1 9.0 35 250 C/W maximum at L = .375 inch THERMAL IMPEDANCE: (Z ): 35 OJX C/W maximum NOTE 1 Zener voltage tolerance on suffix is +5%. No Suffix denotes + 10% tolerance, suffix denotes + 2% tollerance and suffix denotes + 1% tolerance. POLARITY: Diode to be operated with the banded (cathode) end positive. NOTE 2 Zener voltage is measured with the device junction in thermal equilibrium at an ambient temperature of 25C + 3C. MOUNTING POSITION: Any. NOTE 3 Zener impedance is derived by superimposing on 1 A 60Hz rms a.c. current equal ZT to 10% of 1 ZT 6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841 PHONE (978) 620-2600 FAX (978) 689-0803 WEBSITE: 1N746 thru 1N759A and 1N4370 thru1N4372A INCLUDING -1 VERSIONS 500 400 300 200 100 0 0 25 50 75 100 125 150 175 T , Lead temperature (C) 3/8 from body L POWER DERATING CURVE 100 50 20 10 5 2 1 4 6 10 20 40 60 100 FIGURE 3 operating current (mA) ZENER IMPEDANCE VS. OPERATING CURRENT 14 ZENER IMPEDANCE ZZT (OHMS) Pd, Rated Power Dissipation (mW)