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MIL-PRF-19500-421 Semiconductor Device, Dual Transistor, Unitized, Npn/Pnp, Complementary, Silicon, Types 2N3838, 2N4854, And 2N4854U, Jan, Jantx, And JantxvThis specification covers the performance requirements for unitized, dual transistors which contain a pair of electrically isolated complementary NPN and PNP silicon triode transistors in one package. Three levels of product assurance are provided for each device type as specified in MIL-PRF-19500.

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MIL-PRF-19500/421G
Ltr
Dimensions
Notes
Ltr
Dimensions
Notes
Inches
Millimeters
Inches
Millimeters
Min
Max
Min
Max
Min
Max
Min
Max
A
.240
.290
6.10
7.37
G
.100 TP
2.54 TP
6, 7
B
.115
.160
2.92
4.06
H
.050
1.27
C
.030
.080
0.76
2.03
J
.015
0.38
5
D
.003
.006
0.08
0.15
4
K
.050 TP
1.27 TP
6, 7
E
.005
.035
0.13
0.89
L
.070
.250
1.78
6.35
3, 4
F
.010
.019
0.25
0.48
4, 6
M
.260
.650
6.60
16.51
NOTES:
1.
Dimensions are in inches.
2.
Millimeters are given for general information only.
3.
Maximum limit of this dimension does not apply to device supplied in a carrier.
4.
All six leads.
5.
Lead dimensions are uncontrolled in this zone.
6.
Dimensions "F", "G", and "K" to be measured in zone "H".
7.
Leads within .005 inch (0.13 mm) total of true position (TP) at "H" with maximum material
condition.
In accordance with ASME Y14.5M, diameters are equivalent to φx symbology.
8.
FIGURE 1. Physical dimensions of transistor type 2N3838 (all quality levels).
3



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