2SC945
Audio Frequency Amplifier & High
Frequency OSC.
l
l
l
Complement to 2SA733
Collector-Base Voltage : V
CBO
=60V
High Current Gain Bandwidth Product : f
T
=300MHz (TYP)
1. Emitter 2. Base 3. Collector
NPN Epitaxial Silicon Transistor
Absolute Maximum Ratings
T
a
=25
o
C unless otherwise noted
Symbol
V
CBO
V
CEO
V
EBO
I
C
P
C
T
J
T
STG
Parameter
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Collector Power Dissipation
Junction Temperature
Storage Temperature
Ratings
60
50
5
150
250
150
-55 ~ 150
Units
V
V
V
mA
mW
o
o
C
C
Electrical Characteristics
T
a
=25
o
C unless otherwise noted
Symbol
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
EBO
h
FE
V
CE
(sat)
f
T
C
ob
NF
Parameter
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector Cut-off Current
Emitter Cut-off Current
DC Current Gain
Collector-Emitter Saturation Voltage
Current Gain Bandwidth Product
Output Capacitance
Noise Figure
Test condition
I
C
= 100uA, I
E
=0
I
C
= 10mA, I
B
=0
I
E
= 10uA, I
C
=0
V
CB
= 40V, I
E
=0
V
EB
= 3V, I
C
= 0
V
CE
= 6V, I
C
= 1.0mA
I
C
= 100mA, I
B
= 10mA
V
CE
= 6V, I
C
= 10mA
V
CB
= 6V, I
E
= 0, f=1MHz
V
CE
= 6V, I
C
= 0.5mA
Min.
60
50
5
Typ.
Max.
Units
V
V
V
0.1
0.1
40
0.15
300
2.5
4.0
700
0.3
uA
uA
V
MHz
pF
dB
f=1KHz, Rs=500Ω
h
FE
Classification
Classification
h
FE
R
40 ~ 80
O
70 ~ 140
Y
120 ~ 240
G
200 ~ 400
L
350 ~ 700
Rev. A, February 2003
51mcu
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