2SC3931
3
SJC00142BED
Cob VCB GP IENF IE
bie gie bre gre bfe gfe
boe goe
030252051510
0
1.2
1.0
0.8
0.6
0.4
0.2
I
E
= 0
f = 1 MHz
T
a
= 25°C
Collector-base voltage V
CB
(V)
Collector output capacitance
(Common base, input open circuited) C
ob
(pF)
− 0.1 −1−10 −100
0
40
30
10
20
f = 100 MHz
R
g
= 50 Ω
T
a
= 25°C
V
CE
= 10 V
6 V
Power gain G
P
(dB)
Emitter current I
E
(mA)
− 0.1 −1−10 −100
0
12
10
8
6
4
2
f = 100 MHz
R
g
= 50 kΩ
T
a
= 25°C
V
CE
= 6 V, 10 V
Noise figure NF (dB)
Emitter current IE (mA)
015936 12
0
20
16
12
8
4
y
ie
= g
ie
+ jb
ie
V
CE
= 10 V
100
100
−1 mA
−2 mA
−4 mA
−7 mA
I
E
= − 0.5 mA
150
f = 10.7 MHz
58
58
25
25
Input conductance g
ie
(mS)
Input susceptance b
ie
(mS)
− 0.5 0− 0.1− 0.4 − 0.2− 0.3
−6
0
−1
−2
−3
−4
−5
yre = gre + jbre
VCE = 10 V
f = 150 MHz
IE = −7 mA
−4 mA
−1 mA
25
58
100
10.7
Reverse transfer conductance g
re
(mS)
Reverse transfer susceptance bre (mS)
0 1008020 6040
−120
0
−20
−40
−60
−80
−100
yfe = gfe + jbfe
VCE = 10 V
f = 150 MHz
10.7
− 0.4 mA
−1 mA
−2 mA
−4 mA
IE = −7 mA 100
100
100
150
150
58
58
Forward transfer conductance g
fe
(mS)
Forward transfer susceptance bfe (mS)
0 0.50.40.1 0.30.2
0
1.2
1.0
0.8
0.6
0.4
0.2
yoe = goe + jboe
VCE = 10 V
f = 10.7 MHz
IE = − 0.5 mA
−2 mA
−4 mA
−7 mA
−1 mA
58
25
100
150
Output conductance g
oe
(mS)
Output susceptance b
oe
(mS)
This product complies with the RoHS Directive (EU 2002/95/EC).