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2SC4957 Datasheet(PDF) 1 Page - NEC

Part No. 2SC4957
Description  HIGH FREQUENCY LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR 4 PINS MINI MOLD
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
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The information in this document is subject to change without notice.
SILICON TRANSISTOR
2SC4957
HIGH FREQUENCY LOW NOISE AMPLIFIER
NPN SILICON EPITAXIAL TRANSISTOR
4 PINS MINI MOLD
FEATURES
Low Noise, High Gain
Low Voltage Operation
Low Feedback Capacitance
Cre = 0.3 pF TYP.
ORDERING INFORMATION
PART
QUANTITY
PACKING STYLE
NUMBER
2SC4957-T1
3 Kpcs/Reel.
Embossed tape 8 mm wide.
Pin3 (Base), Pin4 (Emitter) face to perforation side
of the tape.
2SC4957-T2
3 Kpcs/Reel.
Embossed tape 8 mm wide.
Pin1 (Collector), Pin2 (Emitter) face to perforation
side of the tape.
*
Please contact with responsible NEC person, if you require evaluation
sample. Unit sample quantity shall be 50 pcs. (Part No.: 2SC4957)
ABSOLUTE MAXIMUM RATINGS (TA = 25 ˚C)
Collector to Base Voltage
VCBO
9V
Collector to Emitter Voltage
VCEO
6V
Emitter to Base Voltage
VEBO
2V
Collector Current
IC
30
mA
Total Power Dissipation
PT
180
mW
Junction Temperature
Tj
150
˚C
Storage Temperature
Tstg
–65 to +150
˚C
©
1993
DATA SHEET
PACKAGE DIMENSIONS
in millimeters
PIN CONNECTIONS
1.
2.
3.
4.
Collector
Emitter
Base
Emitter
2.8 –0.3
+0.2
1.5 –0.1
+0.2
Caution; Electrostatic Sensitive Device.
Document No. P10379EJ2V0DS00 (2nd edition)
(Previous No. TD-2408)
Date Published July 1995 P
Printed in Japan




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