Homedatasheet2SC4957-T2

2SC4957-T2 Datasheet

High Frequency Low Noise Amplifier NPN Silicon Epitaxial Transistor 4 Pins Mini Mold
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Description

Features, Applications

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.

PACKING STYLE 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.

* Please contact with responsible NEC person, if you require evaluation sample. Unit sample quantity shall be 50 pcs. (Part No.: 2SC4957)

Collector to Base Voltage Collector to Emitter Voltage Emitter to Base Voltage Collector Current Total Power Dissipation Junction Temperature Storage Temperature VCBO VCEO VEBO PT Tj Tstg mW �C

The information in this document is subject to change without notice.

Document No. P10379EJ2V0DS00 (2nd edition) (Previous No. TD-2408) Date Published July 1995 P Printed in Japan

CHARACTERISTIC Collector Cutoff Current Emitter Cutoff Current DC Current Gain Bandwidth Product Feed-back Capacitance Insertion Power Gain Noise Figure SYMBOL ICBO IEBO hFE fT Cre 2 NF MIN. TYP. MAX. 0.1 150 GHz pF dB UNIT TEST CONDITION VCB = 0 VEB 1 V, VCE mA *1 VCE 10 mA VCB = 1 MHz *2 VCE = 10 mA, = 2.0 GHz VCE = 3 mA, 2.0 GH

Pulse Measurement; PW 350 �s, Duty Cycle 2 % Pulsed. Measured with 3 terminals bridge, Emitter and Case should be grounded.

TOTAL POWER DISSIPATION vs. AMBIENT TEMPERATURE 50 COLLECTOR CURRENT vs. BASE TO EMITTER VOLTAGE VCE 3 V

COLLECTOR CURRENT vs. COLLECTOR TO EMITTER VOLTAGE 200 DC CURRENT GAIN vs. COLLECTOR CURRENT
VCE � Collector to Emitter Voltage � V GAIN BANDWIDTH PRODUCT vs. COLLECTOR CURRENT 14
IC � Collector Current � mA INSERTION POWER GAIN vs. COLLECTOR CURRENT 12

IC � Collector Current � mA NOISE FIGURE vs. COLLECTOR CURRENT IC � Collector Current � mA FEED-BACK CAPACITANCE vs. COLLECTOR TO BASE VOLTAGE = 2 GHz VCE 3 V


Features

Parameters

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Manufacturer information

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