2N3931
Seme LAB
Bipolar PNP Device in a Hermetically sealed TO39 Metal Package2N3931
Dimensions in mm (inches).
8.51 (0.34) 9.40 (0.37)
7.75 (0.305) 8.51 (0.335)
Bipolar PNP Device in a Hermetically sealed TO39 Metal Package. Bipolar PNP Device.
6.10 (0.240) 6.60 (0.260)
12.70 (0.500) min.
0.89 max. (0.035) 0.41 (0.016) 0.53 (0.02
2N3947
Bipolar NPN Device2N3947
Dimensions in mm (inches).
5.84 (0.230) 5.31 (0.209)
4.95 (0.195) 4.52 (0.178)
Bipolar NPN Device in a Hermetically sealed TO18
Metal Package.
0.48 (0.019) 0.41 (0.016)
dia.
2.54 (0.100) Nom.
31 2
1 – Emitter
TO18 (TO206AA) PINOUTS
2 – Base
3 – Collector
Bipolar NPN Device.
VCE
Seme LAB
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