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SENSITRON
SEMICONDUCTOR


TECHNICAL DATA
DATA SHEET 4081, REV. A

SIGNAL OR COMPUTER DIODE 1N6638 THRU 1N6643
• Switching Diode
• Hermetic, non-cavity glass package
• Metallurgically bonded
• Upscreen to JANTX, JANTXV per MIL-PRF-19500/578,609 available
Physical dimensions: Axial lead similar to Do-35 and surface mount similar to (D-5D)
Maximum ratings TA=+25oC:

Types VBR VRWM Io IFSM
Tp=1/120
s
TSTG, TJ RθJL
L=.375
RθJEC
L=0
ZθJX

1N6638,1N6638U
1N6639,1N6639U
1N6640,1N6640U
1N6641,1N6641U
1N6642,1N6642U
1N6643, 1N6643U
V(pk)
150
100
75
75
100
75
V(pk)
125
75
50
50
75
50
MA
300
300
300
300
300
300
A(pk)
2.5
2.5
2.5
2.5
2.5
2.5
oC
-65 to +175
-65 to +175
-65 to +175
-65 to +175
-65 to +175
-65 to +175
oC/W
160
160
160
160
160
160
oC/W
50
50
50
50
50
50
oC/W
25
25
25
25
25
25




Axial melf




1N6638 thru 1N6643 1N6638U thru 1N6643U
PACKAGE DIMENSIONS - INCHES ( MILLIMETERS) PACKAGE DIMENSIONS - INCHES ( MILLIMETERS)
STYLE φB φD G L STYLE BL BD S ECT

DO-35
.018/.022
0.46/0.56
.056/.080
1.42/2.03
.130/.180
3.30/4.57
1.00/1.50
25.4/38.10

D-5D
.165/.195
4.19/4.95
.070/.085
1.78/2.16
0.003 Min

.019/.028
0.48/0.71




1N6638/U
1N6639/U
1N6640/U
1N6641/U
1N6642/U
1N6643/U