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Details, datasheet, quote on part number:1N6643
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| Part: | 1N6643 |
| Category: | Discrete => Diodes & Rectifiers => Signal or Computer Diode |
| Description: | Signal or Computer Diode, Package : D |
| Company: | Microsemi Corporation |
| Datasheet: | Download 1N6643 datasheet File size : 44 kB |
| Request For quote: | Find where to buy 1N6643
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Datasheet text preview:
· 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: -65°C to +175°C Storage Temperature: -65°C to +175°C Operating Current: 300 mA Derating: 3.0 mA/°C Above TL = + 75°C @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
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified.
V BR @IR =100µA V RWM V F1 I FM = 10 mA (Pulsed) V dc 0.8 0.8 1.0 V dc 1.1 1.2 1.2 V F2 @ I F2 t fr IF = 50 mA t rr
0.018/0.022 0.46/0.56
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 1N6638 1N6642 1N6643 35 25 50
I R2 @V R = V RWM µA dc 0.5 0.5 0.5
I R3 V R = 20 V TA = 150°C µA dc 50 50 75
I R4 V R = V RWM TA = 150°C µA dc 100 100 160
C T1 VR= 0V pF 2.5 5.0 5.0
C T2 VR= 1.5V pF 2.0 2.8 2.8
MOUNTING POSITION: Any
6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841 PHONE (978) 620-2600 FAX (781) 689-0803 WEBSITE: http://www.microsemi.com
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IN6638, IN6642
1000
and
IN6643
100 IF - Forward Current - (mA)
10
0ºC 15
100
ºC
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
150ºC
10
IR - Reverse Current - (µA)
100º
1
C
0.1
25ºC
.01
-65ºC
-65ºC
1
25º
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
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