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| * 1N6638,1N6642, 1N6643 AVAILABLE IN JAN, JANTX, JANTXV, AND JANS PER MIL-PRF-19500/578 * SWITCHING DIODES * NON-CAVITY GLASS PACKAGE * METALLURGICALLY BONDED 1N6638 1N6642 1N6643 MAXIMUM RATINGS Operating Temperature: -65C to +175C Storage Temperature: -65C to +175C Operating Current: 300 mA Derating: 3.0 mA/C Above TL = + 75C @L = 3/8" Surge Current: IFSM = 2.5A, half sine wave, Pw = 8.3ms 0.056/0.075 1.42/1.91 POLARITY BAND (CATHODE) 0.140/0.180 3.55/4.57 1.00 25.4 0.018/0.022 0.46/0.56 ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified. V BR @IR =100A V RWM V F1 I FM = 10 mA (Pulsed) V dc 0.8 1.0 1.0 V dc 1.1 1.2 1.2 V F2 @ I F2 t fr IF = 50 mA t rr TYPES (Pulsed) mA 200 100 100 ns 20 20 20 ns 4.5 5.0 6.0 FIGURE 1 V(PK) (min) 1N6638 1N6642 1N6643 150 100 75 V(PK) 125 75 50 DESIGN DATA CASE: Hermetically sealed, "D" Body per MIL-PRF- 19500/578. D-5D LEAD MATERIAL: Copper clad steel LEAD FINISH: Tin / Lead THERMAL RESISTANCE: (ROJL): 160 C/W maximum at L = .375 THERMAL IMPEDANCE: (ZOJX): 25 C/W maximum POLARITY: Cathode end is banded. I R1 TYPES VR = 20 V nA dc I R2 @V R = V RWM A dc I R3 V R = 20 V TA = 150C A dc I R4 V R = V RWM TA = 150C A dc C T1 VR= 0V pF C T2 VR= 1.5V pF 1N6638 1N6642 1N6643 35 25 50 0.5 0.5 0.5 50 50 75 100 100 160 2.5 5.0 5.0 2.0 2.8 2.8 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: mail@cdi-diodes.com IN6638, IN6642 1000 and IN6643 100 IF - Forward Current - (mA) 10 15 0C 100 C 0.1 .2 .3 .4 .5 .6 .7 .8 .9 VF - Forward Voltage (V) FIGURE 2 Typical Forward Current vs Forward Voltage 1.0 1.1 1.2 1000 100 150C 10 IR - Reverse Current - (A) C 100 1 0.1 25C .01 -65C -65C 1 25 C NOTE : All temperatures shown on graphs are junction temperatures .001 20 40 60 80 100 120 140 Percent of Reverse Working Voltage (%) FIGURE 3 Typical Reverse Current vs Reverse Voltage |
Price & Availability of 1N6638
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