MILPRF19500/539F
Dimensions
Ltr
Notes
Inches
Millimeters
Min
Max
Min
Max
CD
.470
.620
11.94
15.74
3
CH
.250
.340
6.35
8.64
HR
.350
8.89
HR1
.115
.145
2.92
3.68
4
HT
.050
.075
1.27
1.91
3, 5
LD
.028
.034
0.71
0.86
6, 7
LL
.360
.500
9.14
12.70
6
L1
.050
1.27
8
MHD
.142
.152
3.61
3.86
4
MHS
.958
.962
24.33
24.43
PS
.190
.210
4.83
5.33
9
PS1
.093
.107
2.37
2.71
9
S
.570
.590
14.48
14.99
9
NOTES:
1. Dimensions are in inches. Millimeters are given for general information only.
2. Terminal 1 is the emitter and terminal 2 is the base. The collector shall be electrically connected
to the case.
3. Body contour is optional within zone defined by dimension CD.
4. Applies to two holes, at both ends.
5. Dimension HT does not include sealing flanges.
6. Applies to both terminals.
7. Dimension LD applies between dimensions L1 and LL. Diameter is uncontrolled in dimension L1.
8. Within this zone the lead diameter may vary to allow for lead finishes and irregularities.
9. These dimensions shall be measured at points .050 inch (1.27 mm) to .055 inch (1.40 mm) below seating
plane. When gauge is not used, measurement shall be made at seating plane.
10. The seating plane of header shall be flat within .001 inch (0.03 mm), concave to .004 inch (0.10 mm),
convex inside a .520 inch (13.20 mm) diameter circle on the center of the header, and flat within .001 inch
(0.03 mm), concave to .006 inch (0.15 mm), convex overall.
11. In accordance with ASME Y14.5M, diameters are equivalent to Φx symbology.
FIGURE 1. Physical dimensions and schematic (TO213AA, formerly TO66) Continued.
4
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