BC107
BC108
BC109
ELECTRICAL CHARACTERISTICS (T = 25°C unless otherwise stated)
A
Parameter
Test Conditions
Min.
Typ.
Max. Unit
V
V
V
V
V
V
= 45V BC107
15
CB
CB
CB
CB
EB
CE
nA
I
I
Collector-Base Leakage Current
CBO(1)
= 25V BC108, BC109
= 45V BC107
15
Collector-Emitter Leakage Current
@Tamb =125°C
4
CBO(1)
µA
= 25V BC108, BC109
4
µA
I
Emitter Cut-off Current
= 4V
= 5V
I = 0
1
EBO
C
I = 2mA
C
Group A
Group B
Group C
BC107, BC108
All Types
BC108, BC109
BC107
110
180
380
110
110
180
220
460
800
460
800
800
0.7
h
Static Forward Current Transfer Ratio
21E
BC108
BC109
V
V
V
V
V
V
Base – Emitter Breakdown
V
= 5V
I = 2mA
C
BE
CE
Base – Emitter Saturation Voltage
I = 0.5mA I = 10mA
0.83
0.25
BE(sat)(1)
CE(sat)(1)
B
C
Collector – Emitter Saturation Voltage I = 0.5mA I = 10mA
B
C
V
= 5V
I = 10mA
C
CE
MHz
f
Transition Frequency
Noise Factor
150
T
f = 100MH
z
V
= 5V
I = 0.2mA
C
CE
R = 2kΩ f =1kH ∆F=200H
z
z
F
dB
BC109
4
BC107, BC108
= 5V I = 2mA f =100kH
z
10
V
CE
C
Group A
Small Signal Forward Current Transfer Group B
BC107, BC108
125
240
450
125
125
240
260
500
900
500
900
900
h
All Types
BC108, BC109
BC107
21e
Ratio
Group C
BC108
BC109
V
= 5V I = 2mA f = 1kH
C z
CE
Group A
Group B
Group C
BC107, BC108
1.6
3.2
6.0
4.5
8.5
15
h
h
Common Emitter Input Impedance
Common Emitter Output Admittance
11e
kΩ
µS
All Types
BC108, BC109
V
= 5V I = 2mA f = 1kH
C z
CE
Group A
Group B
Group C
BC107, BC108
30
60
110
6
All Types
22e
BC108, BC109
pF
C
R
Common Base Output Capacitance
Thermal Resistance: Junction to
Ambient
V
= 10V f = 1MH
22b
CB z
th(j-amb)
°C/W
500
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3/99
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