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2SA1977

Part Number	2SA1977
Manufacturer	NEC
Description	PNP EPITAXIAL SILICON TRANSISTOR
Published	Mar 22, 2005
Detailed Description	DATA SHEET PRELIMINARY DATA SHEET Silicon Transistor 2SA1977 PNP EPITAXIAL SILICON TRANSISTOR MICROWAVE AMPLIFIER FEAT...
Datasheet	2SA1977 PDF File

Overview

DATA SHEET PRELIMINARY DATA SHEET Silicon Transistor 2SA1977 PNP EPITAXIAL SILICON TRANSISTOR MICROWAVE AMPLIFIER FEATURES • PACKAGE DIMENSION (in millimeters) _0.
2 2.
8+ 0.
4 +0.
1 –0.
05 High fT fT = 8.
5 GHz TYP.
High gain | S21e | = 12.
0 dB TYP.
@f = 1.
0 GHz, VCE = −8 V, IC = −20 mA 2 1.
5 0.
65 +0.
1 –0.
15 • 0.
95 • • Equivalent NPN transistor is the 2SC3583.
_0.
2 2.
9+ High-speed switching characterstics 2 0.
95 Parameter Collector to Base Voltage Collector to Emitter Voltage Emitter to Base Voltage Collector Current Total Power Dissipation Junction Temperature Storage Temperature Symbol VCB0 VCE0 VEB0 IC PT Tj Tstg Rating −20 −12 −3.
0 −50 200 150 −65 to +150 Unit V V V mA mW °C °C 1.
1 to 1.
4 0.
3 Marking 0.
16 +0.
1 –0.
06 ELECTRICAL CHARACTERISTICS (TA = 25 °C) Parameter Collector Cutoff Current Emitter Cutoff Current DC Current Gain Gain Bandwidth Product Collector Capacitance Insertion Power Gain Noise Figure Symbol ICB0 IEB0 hFE fT Cre* | S21e | NF 2 PIN CONNECTIONS 1: Emitter 2: Base 3: Collector Marking; T92 Test Conditions VCB = −10 V VEB = −1 V VCE = −8 V, IC = −20 mA VCE = −8 V, IC = −20 mA, f = 1 GHz VCB = −10 V, IE = 0, f = 1 MHz VCE = −8 V, IC = −20 mA, f = 1.
0 GHz VCE = −8 V, IC = −3 mA, f = 1 GHz MIN.
TYP.
0 to 0.
1 MAX.
−0.
1 −0.
1 0.
4 +0.
1 –0.
05 ABSOLUTE MAXIMUM RATINGS (TA = 25 °C) 1 3 Unit µA µA 20 6.
0 8.
5 0.
5 8.
0 12.
0 1.
5 100 GHz 1 pF dB 3 dB * Mesured by a 3-terminal bridge.
Emitter and Case should be connected to the guard terminal.
hFE Classification Rank Marking hFE FB T92 20 to 100 Document No.
P10925EJ1V0DS00 (1st edition) Date Published April 1996 P Printed in Japan © 1996 2SA1977 SWITCHING CHARACTERISTICS Parameter Turn-on Delay Time Rise Time Turn off Delay Time Fall Time Symbol Vin = 1 V TYP.
ton (delay) tr toff (delay) tf 1.
08 0.
66 0.
32 0.
78 ns ns ns ns Unit SWITCHING TIME MEASUREMENT CIRCUIT VCC ( – ) RC1 RL1 VOUT Vin RS Sampling Oscilloscope 50 Ω VSS ( – ) VOUT RC2 RL2 ton (delay) tr Vin 20 ns toff (delay...

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