Continental Device India Limited
An IS/ISO 9002 and IECQ Certified Manufacturer
PNP SILICON PLANAR EPITAXIAL TRANSISTORS BC177, A, B, C
BC178, A, B, C
BC179, A, B, C
TO-18
ABSOLUTE MAXIMUM RATINGS
DESCRIPTION SYMBOL BC177 BC178 BC179 UNIT
Collector -Emitter Voltage VCEO 45 25 20 V
Collector -Emitter Voltage VCES 50 30 25 V
Collector -Base Voltage VCBO 50 30 25 V
Emitter -Base Voltage VEBO 5.0 5.0 5.0 V
Collector Current Continuous IC 0.2 A
Power Dissipation@ Ta=25 degC PD 0.6 W
Derate Above 25 deg C 2.28 mW/deg C
Power Dissipation@ Tc=25 degC PD 1.0 W
Derate Above 25 deg C 6.67 mW/deg C
Operating And Storage Junction Tj, Tstg -65 to +200 deg C
Temperature Range
THERMAL RESISTANCE
Junction to Case Rth(j-c) 175 deg C/W
ELECTRICAL CHARACTERISTICS (Ta=25 deg C Unless Otherwise Specified)
DESCRIPTION SYMBOL TEST CONDITION MIN TYP MAX UNIT
Collector-Cut off Current ICES VCE=20V, IE=0 - 100 nA
Tamb=125 deg C
VCE=20V, IE=0 - 4.0 uA
Collector -Base Voltage VCBO IC=10uA, IE=0 BC177 50 - V
BC178 30 - V
BC179 25 - V
Collector -Emitter Voltage VCEO IC=2mA,IB=0 BC177 45 - V
BC178 25 - V
BC179 20 V
Emitter-Base Voltage VEBO IE=10uA, IC=0 5.0 - V
DC Current hFE IC=2mA, VCE=5V BC177 120 460
BC178 120 800
BC179 180 800
A Group 120 220
B Group 180 460
C Group 380 800
Collector Emitter Saturation Voltage VCE(Sat) IC=10mA,IB=0.5mA - 0.20 V
IC=100mA,IB=5mA - 0.60 V
Base Emitter Saturation Voltage VBE(Sat) IC=10mA,IB=0.5mA - 0.80 V
IC=100mA,IB=5mA - 0.90 - V
Base Emitter on Voltage VBE(on) IC=2mA, VCE=5V 0.60 0.75 V
IS/ISO 9002
Lic# QSC/L- 000019.2
IS / IEC QC 700000
IS / IEC QC 750100
Continental Device India Limited Data Sheet Page 1 of 3
ELECTRICAL CHARACTERISTICS (Ta=25 deg C Unless Otherwise Specified) BC177XX
DESCRIPTION SYMBOL TEST CONDITION MIN MAX UNIT
Collector Knee Voltage VCE (K) IC=10mA, IB=The Value for - 0.60 V
Which IC=11mA, @ VCE=1V
Transition Frequency ft VCE=5V,IC=10mA, f=50MHz 200 - MHZ
Noise Figure NF VCE=5V, IC=0.2mA
Rg=2kohms,
F=30Hz to 15 KHz BC179 -4.0dB
F=1kHz, F=200Hz BC179 -4.0dB
BC177/178 -10dB
Output Capacitance Cobo VCB=10V, f=1MHz - 4.0 pF
ALL f=1kHz
Small Signal Current Gain hfe IC=2mA,VCE=5V BC177 125 500
BC178 125 900
BC179 240 900
A Group 125 260
B Group 240 500
C Group 450 900
Input Impedance hie IC=2mA,VCE=5V A Group 1.6 4.5 Kohms
B Group 3.2 8.5 Kohms
C Group 6.0 15 Kohms
Output Admittance hoe IC=2mA,VCE=5V A Group - 30 umhos
B Group - 60 umhos
C Group - 110 umhos
Continental Device India Limited Data Sheet Page 2 of 3
Disclaimer
TO-18 Metal Can Package
TO-18 1K/polybag 350 gm/1K pcs 3" x 7.5" x 7.5" 5.0K 17" x 15" x 13.5" 80.0K 34 kgs
PACKAGE
Net Weight/Qty
Details
STANDARD PACK INNER CARTON BOX
Qty
OUTER CARTON BOX
Qty Gr WtSize Size
Packing Detail
G
1
2
3
H
J
L
F
A
D
B
E
C
K
DIM MIN MAX
All diminsions in mm.
A 5.2 4 5.84
B 4.52 4.97
C 4.31 5.3 3
D 0.40 0.53
E—0.76
F—1.27
G—2.97
H 0.91 1.1 7
J 0.7 1 1.21
K12.70 —
L45 DEG
PIN CONFIGURATION
1. EM ITTER
2. BASE
3. COLLECTOR
1
2
3
The product information and the selection guides facilitate selection of the CDIL's Discrete Semiconductor Device(s) best suited
for application in your product(s) as per your requirement. It is recommended that you completely review our Data Sheet(s) so as
to confirm that the Device(s) meet functionality parameters for your application. The information furnished on the CDIL Web
Site/CD is believed to be accurate and reliable. CDIL however, does not assume responsibility for inaccuracies or incomplete
information. Furthermore, CDIL does not assume liability whatsoever, arising out of the application or use of any CDIL product;
neither does it convey any license under its patent rights nor rights of others. These products are not designed for use in life
saving/support appliances or systems. CDIL customers selling these products (either as individual Discrete Semiconductor
Devices or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own
risk and CDIL will not be responsible for any damages resulting from such sale(s).
CDIL strives for continuous improvement and reserves the right to change the specifications of its products without prior notice.
CDIL is a registered Trademark of
Continental Device India Limited
C-120 Naraina Industrial Area, New Delhi 110 028, India.
Telephone + 91-11-579 6150 Fax + 91-11-579 9569, 579 5290
e-mail sales@cdil.com www.cdil.com
Continental Device India Limited Data Sheet Page 3 of 3
