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2N2221A Datasheet(PDF) 7 Page - Microsemi Corporation

Part No. 2N2221A
Description  RADIATION HARDENED
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Maker  MICROSEMI [Microsemi Corporation]
Homepage  http://www.microsemi.com
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 7 page
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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-0042 Rev. 3 (100247)
Page 7 of 7
Dimensions
Dimensions
Symbol
Inches
Millimeters
Note
Symbol
Inches
Millimeters
Note
Min
Max
Min
Max
Min
Max
Min
Max
BH
.046
.071
1.17
1.80
LS1
.036
.040
0.91
1.02
BL
.115
.128
2.92
3.25
LS2
.071
.079
1.81
2.01
BW
.085
.108
2.16
2.74
LW
.016
.024
0.41
0.61
CL
.128
3.25
r
.008
.203
CW
.108
2.74
r1
.012
.305
LL1
.022
.038
0.56
0.96
r2
.022
.559
LL2
.017
.035
0.43
0.89
NOTES:
1.
Dimensions are in inches.
2.
Millimeters are given for general information only.
3.
Hatched areas on package denote metalized areas.
4.
Pad 1 = Base, Pad 2 = Emitter, Pad 3 = Collector, Pad 4 = Connected to the lid braze ring.
5.
In accordance with ASME Y14.5M, diameters are equivalent to
φx symbology.
FIGURE 4. Physical dimensions, surface mount (UBC version, ceramic lid)
UBC




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