TECHNICAL DATA SHEET
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803
Website: http: //www.microsemi.com
PACKAGE DIMENSIONS
NOTES:
1. Dimensions are in inches.
Dimensions
Inches Millimeters
Symbol
Note
2. Millimeters are given for general information only.
3. Beyond r (radius) maximum, TW shall be held for a minimum length
of .011 inch (0.28 mm).
4. Dimension TL measured from maximum HD.
5. Body contour optional within zone defined by HD, CD, and Q.
6. 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.
Min
Max
.195
.210
.230
Min
4.52
4.32
5.31
2.54 TP
0.41
Max
4.95
5.33
5.84
CD
CH
HD
LC
LD
LL
LU
L1
L2
P
Q
TL
TW
r
.178
.170
.209
.100 TP
6
7,8
.016
.500
.016
.021
.750
.019
.050
0.53
12.70 19.05 7,8,13
0.41
0.48
1.27
7,8
7,8
7,8
7. Dimension LU applies between L1 and L2. Dimension LD applies
between L2 and LL minimum. Diameter is uncontrolled in L1 and
beyond LL minimum.
.250
.100
6.35
2.54
.030
.048
.046
.010
0.76
1.22
1.17
0.25
5
3,4
3
10
6
8. All three leads.
.028
.036
0.71
0.91
9. The collector shall be internally connected to the case.
10. Dimension r (radius) applies to both inside corners of tab.
11. In accordance with ASME Y14.5M, diameters are equivalent to φx
symbology.
α
45° TP
45° TP
12. Lead 1 = emitter, lead 2 = base, lead 3 = collector.
13. For L suffix devices, dimension LL = 1.5 inches (38.10 mm) min.
and 1.75 inches (44.45 mm) max.
FIGURE 1. Physical dimensions (similar to TO-18)
T4-LDS-0055 Rev. 4 (100247)
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