SEME-LAB BC179

BC177
BC178
BC179
MECHANICAL DATA
Dimensions in mm (inches)
GENERAL PURPOSE
SMALL SIGNAL
PNP BIPOLAR TRANSISTOR
5 .8 4 (0 .2 3 0 )
5 .3 1 (0 .2 0 9 )
4 .9 5 (0 .1 9 5 )
4 .5 2 (0 .1 7 8 )
5 .3 3 (0 .2 1 0 )
4 .3 2 (0 .1 7 0 )
APPLICATIONS
)
)
0
0
1
7
1
.
0
0
(
(
3
2
3
3
.
.
5
4
1 2 .7 (0 .5 0 0 )
m in .
2
.
)
0
0
5
.
.
0 .4 8 (0 .0 1 9 )
0 .4 1 (0 .0 1 6 )
d ia .
n
i
0
(
m
7
.
2
1
2 .5 4 (0 .1 0 0 )
N o m .
The BC 177, BC 178 & BC 179 are silicon
epitaxial planar PNP transistors in TO-18
metal case. They are suitablefor use in
driver audio stages, low noise input audio
stages and as low power, high gain general
purpose transistors.
FEATURES
• SILICON NPN
!
• HERMETICALLY SEALED TO18
• SCREENING OPTIONS AVAILABLE
TO–18 METAL PACKAGE
Underside View
PIN 1 – Emitter
PIN 2 – Base
PIN 3 – Collector
ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise stated)
BC177
BC178
BC179
VCBO
Collector – Base Continuous Voltage
-50V
-30V
-25V
VCEO
Collector – Emitter Continuous Voltage With Zero Base Current
-45V
-25V
-20V
VCES
Collector – Emitter Continuous Voltage With Base Shortcircuited to Emitter
-50V
-30V
-25V
VEBO
Emitter – Base Continuous Voltage Reverse Voltage
IC
Continuous Collector Current
-0.1A
PD
Power Device Dissipation @ TA = 25°C
0.3W
Derate above 25°C
PD
Power Device Dissipation @ TC = 25°C,
Derate above 25°C
Tj, Tstg
Operating and Storage Junction to Case
-5V
500W/°C
0.75W
200W/°C
-65 to +175°C
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: [email protected]
Website: http://www.semelab.co.uk
Document Number 5760
Issue 1
BC177
BC178
BC179
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise stated)
Parameter
ICES
Collector-Emitter Leakage Current
Test Conditions
VCE = -20V
IC = -10µA
V(BR)CBO
V(BR)CEO
V(BR)EBO
hFE
Emitter Breakdown Voltage
DC Current Gain
VCE(sat)
Collector – Emitter Saturation Voltage
VBE(sat)
Base – Emitter Saturation Voltage
VBE(on)
Base – Emitter on Voltage
fT
Transition Frequency
NF
Ccbo
Noise Figure
Collector Base Capacitance
Typ.
Max. Unit
VBE = 0
-100
nA
Tamb = 150°C
-10
µA
BC177
-50
BC178
-30
BC179
-25
IC = -2mA
BC177
-45
IE = 0
BC178
-25
BC179
-20
IE = -10µA
IC = 0
-5
VCE = -5V
BC177A
125
260
IC = -2mA
BC177B
240
500
f = 1kHz
BC178A
125
260
BC178B
240
500
BC179A
125
260
BC179B
240
500
Collector Base Breakdown Voltage
Collector Emitter Breakdown Voltage
Min.
V
V
V
IB = -0.5mA
IC = -10mA
-0.075
IB = -5mA
IC = -100mA
-0.2
IB = -0.5mA
IC = -10mA
-0.72
IB = -5mA
IC = -100mA
-0.86
VCE = -5V
IC = -2mA -5V
VCE = -5V
IC = -10mA
f = 100MHz
-0.55
-0.64
-0.25
-0.8
-0.75
200
—
V
V
V
MHz
VCE = -5V
BC177
2
10
f = 1kHz
BC178
2
10
IC = -0.2mA
BC179
1.2
4
IC = -0.2mA
VCB = -10V
5.0
dB
pF
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: [email protected]
Website: http://www.semelab.co.uk
Document Number 5760
Issue 1