2SC4957 NEC, 2SC4957 Datasheet

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2SC4957

Manufacturer Part Number
2SC4957
Description
HIGH FREQUENCY LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR 4 PINS MINI MOLD
Manufacturer
NEC
Datasheet

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

Related parts for 2SC4957

2SC4957 Summary of contents

Page 1

... 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 (T Collector to Base Voltage Collector to Emitter Voltage Emitter to Base Voltage ...

Page 2

... GHz T C 0.3 0 21e NF 1.5 2 Pulsed ˚ Free Air 150 2SC4957 TEST CONDITION mA MHz* ...

Page 3

... COLLECTOR CURRENT GHz – Collector Current – FEED-BACK CAPACITANCE vs. COLLECTOR TO BASE VOLTAGE 0.5 0.4 0.3 0.2 0 – Collector to Base Voltage – 2SC4957 100 MHz ...

Page 4

... S 22 ANG MAG ANG 79.7 .991 –7.9 73.1 .962 –16.1 61.6 .916 –22.6 53.2 .870 –29.2 45.6 .813 –35.1 40.6 .764 –41.2 33.9 .706 –46.0 31.2 .662 –50.4 27 ...

Page 5

... S 22 ANG MAG ANG 73.7 .918 –17.3 65.2 .777 –28.8 60.3 .659 –34.0 56.2 .577 –38.0 58.4 .526 –40.5 53.6 .488 –44.5 51.9 .447 –46.9 49.3 .420 –51.2 48 ...

Page 6

... The quality grade of NEC devices in “Standard“ unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact NEC Sales Representative in advance. Anti-radioactive design is not implemented in this product. 6 2SC4957 M4 94.11 ...

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