1N4148-1 • 1N4148-1 AVAILABLE IN JAN, JANTX, AND JANTXV PER MIL-PRF-19500/116 • SWITCHING DIODE • HERMETICALLY SEALED • METALLURGICALLY BONDED • DOUBLE PLUG CONSTRUCTION MAXIMUM RATINGS Operating Temperature: -65°C to +200°C Storage Temperature: -65°C to +200°C Operating Current: 200 mA @ TA = +25°C Derating Factor: 1.14 mA/°C Above TA = + 25°C Surge Current A: 2A, sine wave, Pw = 8.3ms Surge Current B: 1.41A, square wave, Pw = 8.3ms ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified. Vf 1 Vf 2 @I F = 10 mA @I F = 100 mA t rr VBR @100µA V RWM I0 Volts Volts (pk) mA V dc V dc n sec 100 75 200 0.8 1.2 5 I R1 @ 20 V dc I R2 @ 75 V dc nA µA 25 0.5 I R3 @ 20 V I R4 @ 75 V TA = 150°C TA = 150°C µA 35 FIGURE 1 CAPACITANCE @0V CAPACITANCE @ 1.5 V µA pF pF 75 4.0 2.8 DESIGN DATA CASE: Hermetically sealed glass case per MIL-S-19500/116 D0-35 outline LEAD MATERIAL: Copper clad steel. LEAD FINISH: Tin / Lead THERMAL RESISTANCE: (ROJL): 250 ˚C/W maximum at L = .375 THERMAL IMPEDANCE: (ZOJX): 70 ˚C/W maximum POLARITY: Cathode end is banded. MOUNTING POSITION: Any. 22 COREY STREET, MELROSE, MASSACHUSETTS 02176 PHONE (781) 665-1071 FAX (781) 665-7379 WEBSITE: http://www.cdi-diodes.com E-mail: [email protected] IN4148-1 1000 25º C 10 0ºC 15 0º C 10 -65ºC 1 0.1 .3 .4 .5 .6 .7 .8 .9 1.0 VF - Forward Voltage (V) 1.1 1.2 1.3 FIGURE 2 Typical Forward Current vs Forward Voltage 1000 100 150ºC IR - Reverse Current - (µA) IF - Forward Current - (mA) 100 10 100ºC 1 0.1 25ºC .01 -65ºC NOTE : .001 20 40 60 80 100 120 140 Percent of Reverse Working Voltage (%) FIGURE 3 Typical Reverse Current vs Reverse Voltage All temperatures shown on graphs are junction temperatures