/ / Microsemi Corp. 9 The diode experts SANTA ANA, CA For more information call: (714) 979-8220 FEATURES MICROMINIATURE PACKAGE VOIDLESS HERMETICALLY SEALED GLASS PACKAGE TRIPLE LAYER PASSIVATION METALLURGICALLY BONDED FAST RECOVERY PIV TO 1000 VOLTS JAN/TX/TXV TYPES AVAILABLE PER MIL-S-19500/359 MAXIMUM RATINGS Operating Temperature: - 65C to + 175C Storage Temperature: - 65C to +200C Power Dissipation: (A) 3 Amp/MIL-STD-750 (See Figure 2) (B) 1 Amp/no heat sink @ +55C ELECTRICAL CHARACTERISTICS PEAK | BREAKDOWN AVERAGE | FORWARD REVERSE | CAPACITANCE} SURGE | REVERSE INVERSE | VOLTAGE RECTIFIED | VOLTAGE CURRENT (MAX.} CURRENT| RECOVERY| VOLTAGE {MIN.) CURRENT {MAX.} (MAX.) Co @ -12V (MAX.) (MAX.) TYPE (MAX.) | By @ 50,8 lo Ve@1aA Ip @ PIV (NOTE 1) | (NOTE 2) Pv I(surge) tr VOLTS VOLTS AMPS VOLTS uA bF AMPS nsec. 55C | 100C 25C | 150C JAN 1N4942 200 220 1.0 | .750 1.3 1.0 | 200 45 15 150 JAN 1N4944 400 440 1.0 | .750 1.3 1.0 | 200 35 15 150 JAN 1N4946 600 660 1.0 | .750 1.3 1.0 | 200 25 15 250 JAN 1N4947 800 880 1.0 | .750 1.3 1.0 | 200 25 15 250 JAN 1N4948 | 1000 1100 1.0 | .750 1.3 1.0 | 200 15 15 500 NOTE 1: T, = 100C, f = 60 Hz, |, = 750mA, 10-8 m sec. surges @ 1/minute. NOTE 2: IF = 0.5A, Iam = 1A, iR(REC) = 250A 1N4942 thru 1N4948 MILITARY RECTIFIERS 030 NOM, DIA. 1.76] ] lt t ~ gs DIA. 12.16] FIGURE 1 PACKAGE A MECHANICAL CHARACTERISTICS CASE: Hermetically sealed glass LEAD MATERIAL: Tinned copper. MARKING: Body painted, alpha numeric. POLARITY: Cathode band. 7-357-36 1N4942 thru 1N4948 | .375 375 Ts Ts HEAT HEAT SINK SINK Thermal Resistance From Junction To Heat Sink-@js = 30C/W Max. Pmax=Ti-TS ss Pmax. = Max. Continuous Dissipation, Watts Ajs Tj = Max. Junction Temp. = 175C Ts = Heat Sink Temp AVERAGE FORWARD AMPS FIGURE 2 MIL STD 750 METHOD 1026 (A) TN MIL STD 750 25 - N . meTHod 1026 | NX 2.0 1.5 1.0 / No HEAT SINK PS ~ \ \ 0.5 L, N T -65 0 25 50 75 100 125 150 175 200 AMBIENT TEMPERATURE FIGURE 3 MAXIMUM FORWARD CURRENT vs AMBIENT TEMPERATURE