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Details, datasheet, quote on part number:1N6642U.
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Datasheet text preview:
· 1N6638US,1N6642US, 1N6643US AVAILABLE IN JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/578 · 1N6638U,1N6642U, 1N6643U AVAILABLE IN JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/578 · SWITCHING DIODES · NON-CAVITY GLASS PACKAGE · METALLURGICALLY BONDED
1N6638U & US 1N6642U & US 1N6643U & US
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C Operating Current: 300 mA Derating: 4.6 mA/°C Above TEC = + 110°C Surge Current: IFSM = 2.5A, half sine wave, Pw = 8.3ms
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified.
V BR TYPES @ IR =100 µA V RWM V F1 IFM =10 mA (Pulsed) V (pk) 1N6638U & US 1N6642U & US 1N6643U & US 150 100 75 V (pk) 125 75 50 V dc 0.8 0.8 1.0 V dc 1.1 1.2 1.2 (Pulsed) mA 200 100 100 V F2 @ I F2 tfr IF =50 mA ns 20 20 20 trr IR = 10 mA IF = 10 mA IREC = 1 mA ns 4.5 5.0 6.0
DIM D F G S
MILLIMETERS MIN MAX 1.78 2.16 0.48 0.71 4.19 4.95 0.08MIN.
INCHES MIN MAX 0.070 0.085 0.019 0.028 0.165 0.195 0.003MIN.
FIGURE 1
DESIGN DATA
CASE: D-5D, Hermetically sealed glass case, per MIL-PRF- 19500/578 LEAD FINISH: Tin / Lead THERMAL RESISTANCE: (ROJEC): 50 °C/W maximum at L = 0 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 µA dc
I R3 V R = 20 V TA = 150°C µA dc
I R4 V R = V RWM TA = 150°C µA dc
C T1 VR= 0V pF
C T2 VR= 1.5V pF
1N6638U & US 1N6642U & US 1N6643U & US
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 SURFACE SELECTION: The Axial Coefficient of Expansion (COE) of this device is approximately + 4PPM / °C. The COE of the Mounting Surface System should be selected to provide a suitable match with this device.
6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841 PHONE (978) 620-2600 FAX (781) 689-0803 WEBSITE: http://www.microsemi.com
157
IN6638U&US, IN6642U&US
1000
and
IN6643U&US
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
158
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