MIL-PRF-19500/510J
Dimensions
Ltr
Inches
Millimeters
Min
Max
Min
Max
BL
.535
.545
13.59
13.84
CH
.249
.260
6.32
6.60
LD
.035
.045
0.89
1.14
TO-254
LL
.530
.550
13.46
13.97
LO
.150 BSC
3.81 BSC
LS
.150 BSC
3.80 BSC
MHD
.139
.149
3.53
3.78
MHO
.665
.685
16.89
17.40
TL
.790
.800
20.07
20.32
TT
.040
.050
1.02
1.27
TW
.535
.545
13.59
13.84
Term 1
Base
Term 2
Collector
Term 3
Emitter
NOTES:
1. Dimensions are in inches. Millimeters are given for general information only.
2. Methods used for electrical isolation of terminals feedthroughs shall employ materials that contain a
minimum of 90 percent AL203 (ceramic).
3. In accordance with ASME Y14.5M, diameters are equivalent to φx symbology.
FIGURE 3. Dimensions and configuration 2N6249T1, 2N6250T1, and 2N6251T1 (TO-254AA).
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