BC107
BC108
BC109
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
GENERAL PURPOSE
SMALL SIGNAL
NPN BIPOLAR TRANSISTOR
FEATURES
SILICON NPN
HERMETICALLY SEALED TO18
SCREENING OPTIONS AVAILABLE
V
CBO
Collector Base Continuous Voltage
BC017
BC108, BC109
V
CEO
Collector Emitter Continuous Voltage With Zero Base Current BC107
BC108, BC109
V
CES
Collector Emitter Continuous Voltage With Base Shortcircuited to Emitter
BC107
BC108, BC109
V
EBO
Emitter Base Continuous Voltage Reverse Voltage
BC107
BC108, BC109
I
C
Continuous Collector Current
I
CM
Peak Collector Current
P
tot
Power Dissipation @ T
amb
= 25C
T
amb
Ambient Operating Temperature Range
T
stg
Storage Temperature Range
50V
30V
45V
20V
50V
30V
6V
5V
100mA
200mA
300mW
-65 to +175C
-65 to +175C
MECHANICAL DATA
Dimensions in mm (inches)
TO18 METAL PACKAGE
ABSOLUTE MAXIMUM RATINGS
(T
A
= 25C unless otherwise stated)
PIN 1 Emitter
Underside View
PIN 2 Base
PIN 3 Collector
1
3
2
2.54 (0.100)
Nom.
0.48 (0.019)
0.41 (0.016)
dia.
5.84 (0.230)
5.31 (0.209)
4.95 (0.195)
4.52 (0.178)
5.
33 (0
.2
10)
4.
32 (0
.1
70)
12
.7
(
0
.
500
)
mi
n.
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
BC107
BC108
BC109
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
V
CB
= 45V
BC107
V
CB
= 25V
BC108, BC109
V
CB
= 45V
BC107
V
CB
= 25V
BC108, BC109
V
EB
= 4V
I
C
= 0
V
CE
= 5V
I
C
= 2mA
Group A
BC107, BC108
Group B
All Types
Group C
BC108, BC109
BC107
BC108
BC109
V
CE
= 5V
I
C
= 2mA
I
B
= 0.5mA
I
C
= 10mA
I
B
= 0.5mA
I
C
= 10mA
V
CE
= 5V
I
C
= 10mA
f = 100MH
z
V
CE
= 5V
I
C
= 0.2mA
R = 2k
f =1kH
z
F=200H
z
BC109
BC107, BC108
V
CE
= 5V I
C
= 2mA f =100kH
z
Group A
BC107, BC108
Group B
All Types
Group C
BC108, BC109
BC107
BC108
BC109
V
CE
= 5V I
C
= 2mA f = 1kH
z
Group A
BC107, BC108
Group B
All Types
Group C
BC108, BC109
V
CE
= 5V I
C
= 2mA f = 1kH
z
Group A
BC107, BC108
Group B
All Types
Group C
BC108, BC109
V
CB
= 10V
f = 1MH
z
ELECTRICAL CHARACTERISTICS
(T
A
= 25C unless otherwise stated)
I
CBO(1)
Collector-Base Leakage Current
I
CBO(1)
Collector-Emitter Leakage Current
@Tamb =125C
I
EBO
Emitter Cut-off Current
h
21E
Static Forward Current Transfer Ratio
V
BE
Base Emitter Breakdown
V
BE(sat)(1)
Base Emitter Saturation Voltage
V
CE(sat)(1)
Collector Emitter Saturation Voltage
f
T
Transition Frequency
F
Noise Factor
h
21e
Small Signal Forward Current Transfer
Ratio
h
11e
Common Emitter Input Impedance
h
22e
Common Emitter Output Admittance
C
22b
Common Base Output Capacitance
R
th(j-amb)
Thermal Resistance: Junction to
Ambient
15
15
4
4
1
110
220
180
460
380
800
110
460
110
800
180
800
0.7
0.83
0.25
150
4
10
125
260
240
500
450
900
125
500
125
900
240
900
1.6
4.5
3.2
8.5
6.0
15
30
60
110
6
500
nA
A
A
V
V
V
MHz
dB
k
S
pF
C/W
PDF 
ZIP