Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
SOT-23 Formed SMD Package
BCW61A BCW61B
BCW61C BCW61D
SILICON PLANAR EPITAXIAL TRANSISTORS
P–N–P silicon transistors
Marking
BCW61A = BA
BCW61B = BB
BCW61C = BC
BCW61D = BD
PACKAGE OUTLINE DETAILS
ALL DIMENSIONS IN m
m
Pin configuration
1 = BASE
2 = EMITTER
3 = COLLECTOR
3
1
2
ABSOLUTE MAXIMUM RATINGS
Collector–emitter voltage (V
BE
= 0)
Collector–emitter voltage (open base)
Collector current (d.c.)
Total power dissipation
Junction temperature
Transition frequency at f: 100 MHz
–V
CE
= 5 V; –I
C
= 10 mA
Noise figure at f = 1 kHz
–V
CE
= 5 V; –I
C
= 200
mA
–V
CES
–V
CEO
–I
C
P
tot
T
j
f
T
F
max.
max.
max.
max.
max.
typ.
typ.
32
32
200
250
150
V
V
mA
mW
°C
180
MHz
2 dB
Continental Device India Limited
Data Sheet
Page 1 of 3
BCW61A BCW61B
BCW61C BCW61D
RATINGS
(at T
A
= 25°C unless otherwise specified)
Limiting values
Collector–emitter voltage (V
BE
= 0)
Collector–emitter voltage (open base)
Emitter–base voltage (open collector)
Collector current (d.c.)
Base current
Total power dissipation up to T
amb
= 25 °C
Storage temperatu re
Junction temperature
THERMAL RESISTANCE
From junction to ambient
CHARACTERISTICS
T
amb
= 25 °C unless otherwise specified
Collector–emitter cut–off current
V
EB
= 0; –V
CE
= 32 V
V
EB
= 0; –V
CE
= 32 V; T
amb
= 150 °C
Emitter–base cut–off current
I
C
= 0; –V
EB
= 4 V
Saturation voltages
–I
C
= 10 mA; –l
B
= 0,25 mA
–I
C
= 50mA; –I
B
= 1,25mA
Transition frequency at f = 100 MHz ·
–V
CE
= 5 V; –I
C
= 10 mA
Collector capacitance at f = 1 MHz
–V
CB
= 10 V; I
E:
I
e
= 0
Emitter capacitance at f = 1 MHz
–V
EB
= 0,5 V; I
C
= I
c
= 0
Noise figure at R
S
= 2 kW
–V
CE
= 5 V; –I
C
= 200
mA;
B = 200 Hz
D.C. current gain
–V
CE
= 5 V; –I
C
= 10
mA
–V
CE
= 5 V; –I
C
= 2 mA
–V
CES
–V
CE0
–V
EB0
–I
C
–l
B
P
tot
T
stg
T
j
R
th j–a
max.
max.
max.
max.
max.
max.
–55 to
max.
=
32 V
32 V
5 V
200 mA
50 mA
250
mW
+150 °C
150 ° C
500
KW
/
–I
CES
–I
CES
–I
EB0
–V
CEsat
–V
BEsat
–V
CEsat
–V
BEsat
f
T
C
c
C
e
F
BCW61A 61B
<
<
<
20 nA
20
mA
20 nA
0,06 to 0,25 V
0,6 to 0,85 V
0,12 to 0,55 V
0,68 to 1,05 V
typ.
typ.
typ.
typ.
<
61C
180
MHz
4,5 pF
11 pF
2 dB
6 dB
61D
h
FE
h
FE
>
>
<
>
typ.
20
120
220
60
2,7
30
180
310
80
3,6
40
250
460
100
4,5
100
380
630
110
7,5 kW
–V
CE
= 1 V; –I
C
= 50mA
h
FE
Input impedance
–V
CE
= 5 V; –I
C
= 2 mA; f = 1 kHz h
ie
Continental Device India Limited
Data Sheet
Page 2 of 3
BCW61A BCW61B
BCW61C BCW61D
A
Reverse voltage transfer ratio
–V
CE
= 5 V; –I
C:
2 mA; f
=
1 kHz
Small–signal current gain
–V
CE
= 5 V; –I
C:
2 mA; f = 1 kHz
h
re
typ.
1,5
B
2
C
2
D
3
10
-4
h
fe
min.
max.
typ.
125
250
18
175
350
24
250
500
30
350
700
50
mS
V
V
V
V
Output admittance
–V
CE
= 5 V; –I
C =
2 mA; f = 1 kHz h
oe
Base–emitter voltage
–V
CE
= 5 V; –I
C
= 2 mA
–V
CE
= 5 V; –I
C
= 10
mA
–V
CE
= 1 V; –I
C:
50 mA
V
BE
V
BE
V
BE
typ.
typ.
typ.
0,6 to 0,75
0,65
0,55
0,72
Disclaimer
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
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