Datasheet Details
Part number:
BF257
Manufacturer:
Seme LAB
File Size:
10.48 KB
Description:
Bipolar NPN Device
BF257 Dimensions in mm (inches).
8.51 (0.34) 9.40 (0.37) 7.75 (0.305) 8.51 (0.335) 6.10 (0.240) 6.60 (0.260) 12.70 (0.500) min.
(00.0.8395)max.
0.41 (0.016) 0.53 (0.021) dia.
5.08 (0.200) typ.
0.74 (0.029) 1.14 (0.045) 0.71 (0.028) 0.86 (0.034) 2 13 45° 2.54 (0.100) 1 * Emitter TO3
BF257, Bipolar NPN Device
BF257 Dimensions in mm (inches).
8.51 (0.34) 9.40 (0.37) 7.75 (0.305) 8.51 (0.335) 6.10 (0.240) 6.60 (0.260) 12.70 (0.500) min.
(00.0.8395)max.
0.41 (0.016) 0.53 (0.021) dia.
5.08 (0.200) typ.
0.74 (0.029) 1.14 (0.045) 0.71 (0.028) 0.86 (0.034) 2 13 45° 2.54 (0.100) 1 Emitter TO39 (TO205AD) PINOUTS 2 Base 3 Collector Bipolar NPN Device in a Hermetically sealed TO39 Metal Package.
Bipolar NPN Device.
VCEO = 160V IC = 0.1A All Semelab hermetically sealed
BF257 Distributor
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