MIL-PRF-19500/498E
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
LL
.530
.550
13.46
13.97
TO-254AA
LO
.150 BSC
3.81 BSC
LS
.150 BSC
3.81 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.
2. Millimeters are given for general information only.
3. All terminals are isolated from case.
4. Methods used for electrical isolation of the terminals feedthroughs shall employ materials that contain a
minimum of 90 percent AL2O3 (ceramic).
5. In accordance with ASME Y14.5M, diameters are equivalent to φx symbology.
* FIGURE 2. Dimensions and configuration for 2N6306T1 and 2N6308T1 (TO-254AA).
5
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