MIL-PRF-19500/583B
NOTES:
1. Dimensions are in inches.
*
2. Millimeters are given for general information only.
3. Refer to applicable symbol list.
4. In accordance with ASME Y14.5M, diameters are equivalent to φx symbology.
5. Lead number 1 is the emitter, lead number 2 is the base, lead number 4 is omitted from this outline. The
collector is number 3 and is electrically connected to the case.
6. Beyond r (radius) max, TW shall be held for a minimum length of .011 inch (0.28 mm).
7. TL measured from maximum HD.
8. Outline in this zone is not controlled.
9. CD shall not vary more than .010 inch (0.25 mm) in zone P. This zone is controlled for automatic handling
10. Leads at gauge plane .054 +.001 -.000 inch (1.37 +0.03 - 0.00 mm) below seating plane shall be within .007
inch (0.18 mm) radius of true position (TP) at maximum material condition (MMC) relative to tab at MMC.
11. LU applies between L1 and L2. LD applies between L2 and LL minimum. Diameter is uncontrolled in L1 and
beyond LL minimum.
12. All three leads.
13 r (radius) applies to both inside corners of tab.
FIGURE 1. Physical dimensions for (TO-39) continued.
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