BC107
BC108
BC109
MECHANICAL DATA
Dimensions in mm (inches)
5.84 (0.230)
5.31 (0.209)
4.95 (0.195)
4.52 (0.178)
GENERAL PURPOSE
SMALL SIGNAL
NPN BIPOLAR TRANSISTOR
5.33 (0.210)
4.32 (0.170)
12.7 (0.500)
min.
0.48 (0.019)
0.41 (0.016)
dia.
FEATURES
• SILICON NPN
• HERMETICALLY SEALED TO18
• SCREENING OPTIONS AVAILABLE
2.54 (0.100)
Nom.
3
2
1
TO–18 METAL PACKAGE
Underside View
PIN 1 – Emitter
PIN 2 – Base
PIN 3 – Collector
ABSOLUTE MAXIMUM RATINGS
(T
A
= 25°C unless otherwise stated)
V
CBO
V
CEO
V
CES
Collector – Base Continuous Voltage
BC017
BC108, BC109
Collector – Emitter Continuous Voltage With Zero Base Current
BC107
BC108, BC109
Collector – Emitter Continuous Voltage With Base Shortcircuited to Emitter
BC107
BC108, BC109
V
EBO
I
C
I
CM
P
tot
T
amb
T
stg
Emitter – Base Continuous Voltage Reverse Voltage
Continuous Collector Current
Peak Collector Current
Power Dissipation @ T
amb
= 25°C
Ambient Operating Temperature Range
Storage Temperature Range
BC107
BC108, BC109
50V
30V
6V
5V
100mA
200mA
300mW
-65 to +175°C
-65 to +175°C
50V
30V
45V
20V
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612. e-mail sales@semelab.co.uk
Website http://www.semelab.co.uk
3/99
BC107
BC108
BC109
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise stated)
Parameter
I
CBO(1)
I
CBO(1)
I
EBO
Collector-Base Leakage Current
Collector-Emitter Leakage Current
@Tamb =125°C
Emitter Cut-off Current
Test Conditions
V
CB
= 45V
V
CB
= 25V
V
CB
= 45V
V
CB
= 25V
V
EB
= 4V
V
CE
= 5V
Group A
Group B
Group C
BC107
BC108, BC109
BC107
BC108, BC109
I
C
= 0
I
C
= 2mA
BC107, BC108
All Types
BC108, BC109
BC107
BC108
BC109
Min.
Typ.
Max. Unit
15
15
4
4
1
nA
µA
µA
110
180
380
110
110
180
220
460
800
460
800
800
0.7
0.83
0.25
V
h
21E
Static Forward Current Transfer Ratio
V
BE
V
BE(sat)(1)
V
CE(sat)(1)
f
T
Base – Emitter Breakdown
Base – Emitter Saturation Voltage
Collector – Emitter Saturation Voltage
Transition Frequency
V
CE
= 5V
I
B
= 0.5mA
I
B
= 0.5mA
V
CE
= 5V
f = 100MH
z
V
CE
= 5V
I
C
= 2mA
I
C
= 10mA
I
C
= 10mA
I
C
= 10mA
I
C
= 0.2mA
BC109
BC107, BC108
150
V
V
MHz
F
Noise Factor
R = 2kΩ f =1kH
z
∆F=200H
z
4
10
125
240
450
125
125
240
1.6
3.2
6.0
260
500
900
500
900
900
4.5
8.5
15
30
60
110
6
500
pF
°C/W
3/99
dB
V
CE
= 5V I
C
= 2mA f =100kH
z
Group A
h
21e
Small Signal Forward Current Transfer
Group B
Ratio
Group C
BC107, BC108
All Types
BC108, BC109
BC107
BC108
BC109
V
CE
= 5V I
C
= 2mA f = 1kH
z
h
11e
Common Emitter Input Impedance
Group A
Group B
Group C
Group A
h
22e
C
22b
R
th(j-amb)
Common Emitter Output Admittance
Common Base Output Capacitance
Thermal Resistance: Junction to
Ambient
Telephone +44(0)1455 556565. Fax +44(0)1455 552612. e-mail sales@semelab.co.uk
Website http://www.semelab.co.uk
BC107, BC108
All Types
BC108, BC109
BC107, BC108
All Types
BC108, BC109
f = 1MH
z
kΩ
V
CE
= 5V I
C
= 2mA f = 1kH
z
Group B
Group C
V
CB
= 10V
µS
Semelab plc.