TECHNICAL DATA SHEET
6 Lake Street, Lawrence, MA 01841 Gort Road Business Park, Ennis, Co. Clare, Ireland
1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Tel: +353 (0) 65 6840044 Fax: +353 (0) 65 6822298
Website: http://www.microsemi.com
T4-LDS-0091 Rev. 2 (101484) Page 4 of 4
PACKAGE DIMENSIONS
NOTES:
1. Dimensions are in inches.
2. Millimeters are given for general information only.
3. Beyond r (radius) maximum, TW shall be held for a minimum length of .011 (0.28 mm).
4. Dimension TL measured from maximum HD.
5. Body contour optional within zone defined by HD, CD, and Q.
6. CD shall not vary more than .010 inch (0.25 mm) in zone P. This zone is controlled for automatic handling.
7. 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.
8. Dimension LU applies between L1 and L2. Dimension LD applies between L2 and LL minimum. Diameter is uncontrolled
in L1 and beyond LL minimum.
9. All three leads.
10. The collector shall be internally connected to the case.
11. Dimension r (radius) applies to both inside corners of tab.
12. In accordance with ASME Y14.5M, diameters are equivalent to φx symbology.
13. Lead 1 = emitter, lead 2 = base, lead 3 = collector.
14. For L suffix devices (TO-5), dimension LL = 1.5 inches (38.10 mm) min. and 1.75 inches (44.45 mm) max. For non-L
suffix types (TO-39), dimension LL = .5 inch (12.70 mm) min. and .750 inch (19.05 mm) max.
FIGURE 1. Physical dimensions (similar to TO-39, TO-5)
.
Dimensions
Symbol Inches Millimeters Notes
Min Max Min Max
CD .305 .335 7.75 8.51
CH .240 .260 6.10 6.60
HD .335 .370 8.51 9.40
LC .200 TP 5.08 TP 7
LD .016 .019 0.41 0.48 8, 9
LL See note 14
LU .016 .019 0.41 0.48 8, 9
L
1
.050 1.27 8, 9
L
2
.250 6.35 8, 9
P .100 2.54 7
Q .030 0.76 5
TL .029 .045 0.74 1.14 3, 4
TW .028 .034 0.71 0.86 3
r .010 0.25 10
α 45° TP 45° TP 7
