Ty pe 2N4957UB
Geometry 0006
Polarity PNP
Qual Level: JAN - J AN T XV
Data Sheet No. 2N4957UB
Generic Part Number:
2N4957UB
REF: MIL-PRF-19500/426
Features:
• Small signal RF silicon transistor
designed for high-gain, low-noise
applications.
• Housed in a cersot 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
Cersot