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2N2221A Datasheet(PDF) 3 Page - Microsemi Corporation

Part No. 2N2221A
Description  NPN SILICON SWITCHING TRANSISTOR
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Maker  MICROSEMI [Microsemi Corporation]
Homepage  http://www.microsemi.com
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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
T4-LDS-0060 Rev. 2 (100247)
Page 3 of 6
PACKAGE DIMENSIONS
NOTES:
Dimensions
1. Dimensions are in inches.
Symbol
Inches
Millimeters
Note
2. Millimeters are given for general information only.
Min
Max
Min
Max
3. Beyond r (radius) maximum, TL shall be held for a minimum length
CD
.178
.195
4.52
4.95
of .011 inch (0.28 mm).
CH
.170
.210
4.32
5.33
4. Dimension TL measured from maximum HD.
HD
.209
.230
5.31
5.84
5. Body contour optional within zone defined by HD, CD, and Q.
LC
.100 TP
2.54 TP
6
6. Leads at gauge plane .054 +.001 -.000 inch (1.37 +0.03 -0.00 mm)
LD
.016
.021
0.41
0.53
7,8
below seating plane shall be within .007 inch (0.18 mm) radius of
LL
.500
.750
12.70
19.05
7,8,13
true position (TP) at maximum material condition (MMC) relative to
LU
.016
.019
0.41
0.48
7,8
tab at MMC.
L1
.050
1.27
7,8
7. Dimension LU applies between L1 and L2. Dimension LD applies
L2
.250
6.35
7,8
between L2 and LL minimum. Diameter is uncontrolled in L1 and
P
.100
2.54
beyond LL minimum.
Q
.030
0.76
5
8. All three leads.
TL
.028
.048
0.71
1.22
3,4
9. The collector shall be internally connected to the case.
TW
.036
.046
0.91
1.17
3
10. Dimension r (radius) applies to both inside corners of tab.
r
.010
0.25
10
11. In accordance with ASME Y14.5M, diameters are equivalent to
φx
α
45
° TP
45
° TP
6
symbology.
1, 2, 9, 11, 12, 13
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).




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