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What is BCY78?

This electronic component, produced by the manufacturer "CDIL", performs the same function as "PNP SILICON PLANAR TRANSISTORS".


BCY78 Datasheet PDF - CDIL

Part Number BCY78
Description PNP SILICON PLANAR TRANSISTORS
Manufacturers CDIL 
Logo CDIL Logo 


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Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
PNP SILICON PLANAR TRANSISTORS
BCY77, BCY78
BCY79
TO-18
Metal Can Package
Low Noise Audio Amplifier input stages and Driver Applications
Complementary BCY57/58/59
ABSOLUTE MAXIMUM RATINGS
DESCRIPTION
Collector Emitter Voltage
Collector Emitter Voltage
Emitter Base Voltage
Collector Current Continuous
Base Current
Power Dissipation @ Ta=25ºC
Power Dissipation @ Tc=45ºC
Operating and Storage Junction
Temperature Range
SYMBOL
VCEO
VCES
VEBO
IC
IB
PD
PD
Tj, Tstg
BCY77
60
60
5
100
50
BCY78
32
32
5
200
50
0.39
1.00
- 65 to +200
BCY79
45
45
5
200
50
UNIT
V
V
V
mA
mA
W
W
ºC
THERMAL CHARACTERISTICS
Junction to Ambient in free air
Junction to Case
Rth(j-a)
Rth(j-c)
450 K/W
150 K/W
ELECTRICAL CHARACTERISTICS (Ta=25ºC unless specified otherwise )
DESCRIPTION
SYMBOL
TEST CONDITION
Collector Emitter Voltage
VCEO
IC=2mA, IB=0
Collector Emitter Voltage
VCES
IC=10µA, VBE=0
Emitter Base Voltage
VEBO
IE=1µA, IC=0
Collector Cut off Current
ICES VCE=VCE max, VBE=0
VCE=50V, VBE=0
VCE=25V, VBE=0
VCE=35V, VBE=0
VCE=60V, VBE=0, Ta=150ºC
VCE=25V, VBE=0, Ta=150ºC
VCE=35V, VBE=0, Ta=150ºC
Collector Cut off Current
ICEX
VCE=VCE max, VBE=0.2V,
Ta=100ºC
Emitter Cut off Current
IEBO VEB=4V, IC=0
Base Emitter on Voltage
VBE (on)
IC=10µA, VCE=5V
IC=2mA, VCE=5V
IC=10mA, VCE=1V
**IC=50mA, VCE=1V
*IC=100mA, VCE=1V
*ONLY BCY78/79 **ONLY BCY77
BCY77_ 79Rev_4 050707E
BCY77
>60
>60
>5
<100
<20
<10
BCY78
>32
>32
>5
<100
<20
<10
<20
<20
Typ 0.55
0.6 - 0.75
Typ 0.68
Typ 0.72
Typ 0.75
BCY79
>45
>45
>5
<100
<20
<10
UNIT
V
V
V
nA
nA
nA
nA
µA
µA
µA
µA
nA
V
V
V
V
V
Continental Device India Limited
Data Sheet
Page 1 of 5

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BCY78 equivalent
Customer Notes
BCY77, BCY78
BCY79
TO-18
Metal Can Package
Disclaimer
The product information and the selection guides facilitate selection of the CDIL's 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 in the Data Sheet and on the CDIL Web Site/CD
are 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 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 + 91-11-2579 6150, 4141 1112 Fax + 91-11-2579 5290, 4141 1119
[email protected] www.cdilsemi.com
BCY77_ 79Rev_4 050707E
Continental Device India Limited
Data Sheet
Page 5 of 5


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