Ty pe 2N4957
Geometry 0006
Polarity PNP
Qual Level: JAN - JANS
Data Sheet No. 2N4957
Generic Part Number:
2N4957
REF: MIL-PRF-19500/426
Features:
• Small signal RF silicon transistor
designed for high-gain, low-noise
applications.
• Housed in a TO-72 case.
• Also available in chip form using
the 0006 chip geometry.
• The Min and Max limits shown are
per MIL-PRF-19500/426 which
Semicoa meets in all cases.
Rating Symbol Rating Unit
Collector-Emitter Voltage V CEO 30 V
Collector-Base Voltage V CBO 30 V
Emitter-Base Voltage V EBO 3.0 V
Collector Current, Continuous I C 30 A
Operating Junction Temperature T J -65 to +200 o C
Storage Temperature T STG -65 to +200 o C
Maximum Ratings
T C = 25 o C unless otherwise specified
TO-72