7-34 / . fo, Microsemi Corp. ; The code experts SANTA ANA, CA / For more information call: (714) 979-8226 FEATURES e MICROMINIATURE PACKAGE TRIPLE LAYER PASSIVATION METALLURGICALLY BONDED VOIDLESS HERMETICALLY SEALED GLASS PACKAGE JAN, TX, TXV AVAILABLE TO REQUIREMENTS OF MIL-S-19500/169 MAXIMUM RATINGS Operating Temperature: - 65C to + 175C Storage Temperature: - 65C to + 200C Surge Current: 2.0 Amps @ 1 microsecond Forward Current: Ip = 100 mA de, derate at 0.667 mA/C above Tg = 25C ELECTRICAL CHARACTERISTICS at 25C unless otherwise specified. FORWARD BREAKDOWN REVERSE REVERSE JUNCTION TYPE VOLTAGE VOLTAGE CURRENT RECOVERY CAPACITANCE DROP By (max} (max) (max) Ve @ Ip Ip @ 175 (Note 1) C@oV ter Volts Vide nA nsec pF max 25C | 150C 1N4938 1.00 200 0.1 100 50.0 5.0 1N4938-1 1.00 200 0.1 100 50.0 5.0 Note 1: Ip = Ip = 30 mAdc, Ry, = 150 Ohms 1N4938 and 1N4938-1 MILITARY SWITCHING DIODES _t .020 NOM. DIA. (51) ] 1.0 MEN [25.4] - -180 MAX, (4.8) O74 MAX. DIA. (1.88) FIGURE 1 PACKAGE BLX MECHANICAL CHARACTERISTICS CASE: Hermeticaily sealed hard glass case. LEAD MATERIAL: Tinned copper clad steel. MARKING: Body painted, alpha numeric. POLARITY: Cathode band.