DATA SHEET
PRELIMINARY DATA SHEET
Silicon Transistor
2SA1977
PNP EPITAXIAL SILICON TRANSISTOR
MICROWAVE AMPLIFIER
FEATURES
PACKAGE DIMENSION (in millimeters)
+_
2.8 0.2
•
High fT
+0.1
fT = 8.5 GHz TYP.
1.5
0.65
–0.15
•
High gain
| S21e
|
2 = 12.0 dB TYP. @f = 1.0 GHz, VCE = 8 V, IC = 20 mA
− −
•
•
High-speed switching characterstics
2
1
Equivalent NPN transistor is the 2SC3583.
3
ABSOLUTE MAXIMUM RATINGS (TA = 25 °C)
Parameter
Collector to Base Voltage
Collector to Emitter Voltage
Emitter to Base Voltage
Collector Current
Symbol
VCB0
VCE0
VEB0
IC
Rating
−20
Unit
V
Marking
−12
V
−3.0
V
−50
mA
mW
°C
°C
Total Power Dissipation
Junction Temperature
Storage Temperature
PT
200
Tj
150
PIN CONNECTIONS
1: Emitter
Tstg
−65 to +150
2: Base
ELECTRICAL CHARACTERISTICS (TA = 25 °C)
3: Collector Marking; T92
Parameter
Collector Cutoff Current
Emitter Cutoff Current
DC Current Gain
Symbol
ICB0
IEB0
hFE
Test Conditions
MIN.
TYP.
MAX.
−0.1
−0.1
100
Unit
VCB = −10 V
µA
µA
VEB = −1 V
VCE = −8 V, IC = −20 mA
20
Gain Bandwidth Product
Collector Capacitance
Insertion Power Gain
Noise Figure
fT
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
6.0
8.5
0.5
GHz
pF
Cre*
1
3
2
| S21e
NF
|
8.0
12.0
1.5
dB
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