• 1N4454 and IN4454-1 AVAILABLE IN JAN, JANTX, AND JANTXV PER MIL-PRF-19500/144 1N4454 1N4454-1 • SWITCHING DIODE • HERMETICALLY SEALED • METALLURGICALLY BONDED • DOUBLE PLUG CONSTRUCTION MAXIMUM RATINGS Junction Temperature: -55°C to +175°C Storage Temperature: -55°C to +175°C Operating Current: 200 mA @ TA = +25°C Derating Factor: 1.33 mA/°C Above TA = + 25°C Surge Current A: 1A (pk), Pw = 1 sec Surge Current B: 4A (pk), Pw = 1 µs ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified. VBR @5µA V RWM I0 Vf 1 @I F = 10 mA Vf 2 @I F = 10 mA TA = 150°C t rr Volts Volts (pk) mA V dc V dc n sec 75 50 200 1.0 0.7 4 I R1 @ 50 V dc I R2 @ 50 V CAPACITANCE @0V TA = 150°C µA µA pF 0.1 100 2.0 FIGURE 1 DESIGN DATA CASE: Hermetically sealed glass case per MIL-S-19500/144 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] IN4454 and 1N4454-1 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