RoHS
Base-emitter saturation voltage
V
BE(sat)
I
C
=10mA, I
B
=
0.5
mA
I
C
=100mA,I
B
=
5
mA
V
CE
=
5
V, I
C
=
0.1
mA
0.5
0.55
0.62
0.83
V
CE
=
5
V, I
C
=
2
mA
V
CE
=
5
V, I
C
=100mA
V
CE
=
3
V,I
C
=
0.5
mA,f=
100
MHz BC237
BC238
0.83
1.05
0.7
Base-emitter voltage
V
BE
BC239
Transition frequency
f
T
V
CE
=
5
V,I
C
=10mA,f=
100
MHz BC237
BC238
BC239
Collector output capacitance
Emitter-base capacitance
C
ob
C
ib
V
CB
=
10
V, I
E
=0, f=
1
MHz
V
EB
=
0.5
V, I
C
=0, f=
1
MHz
V
CE
=
5
V, I
c
=
0.2
mA,
f=
1k
HZ, Rs=
2
KΩ
Noise figure
NF
W
J
E
E
C
E
L
R
T
V
CE
=
5
V, I
c
=
0.2
mA,
f=
1k
HZ, Rs=
2
KΩ,
∆f=200Hz
BC237
BC238
BC239
O
N
C
I
BC239
C
150
150
150
O
200
240
280
8
100
120
140
L
,
.
4.5
4
10
10
4
D
T
V
V
MHz
pF
Pf
2
dB
2
2
2
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