Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
NPN PLASTIC MEDIUM POWER SILICON TRANSISTORS
BD157, BD158
TO-126
Designed For Power Output Stages for Television, Radio, Phonograph And
Other Consumer Applications.
ABSOLUTE MAXIMUM RATINGS
DESCRIPTION
Collector -Emitter Voltage
Collector -Base Voltage
Emitter Base Voltage
Collector Current Continuous
Peak
Base Current
Power Dissipation @ Ta=25 deg C
@ Tc=25 deg C
Derate Above =25 deg C
Operating & Storage Junction
Temperature Range
THERMAL RESISTANCE
Junction to Case
SYMBOL
VCEO
VCBO
VEBO
IC
IC
IB
PD
BD157
250
275
BD158
300
325
5.0
0.5
1.0
0.25
2.0
20
0.16
-65 to +150
UNIT
V
V
V
A
A
A
W
W
mW/deg C
deg C
Tj, Tstg
Rth (j-c)
6.25
deg C/W
ELECTRICAL CHARACTERISTICS (Tc=25 deg C unless specified)
DESCRIPTION
SYMBOL
TEST CONDITION
IC=1mA, IB=0
IC=100uA, IE=0
IE=1mA, IC=0
VCB=275V, IE=0
VCB=325V, IE=0
VBE=5V,IC=0
IC=50mA,VCE=10V
IC=50mA, IB=5mA
IC=50mA, IB=5mA
IC=10mA, VCE=10V
f=5 MHz
VCB=20V, f=1MHz
BD157
BD158
BD157
BD158
BD157
BD158
MIN
250
300
275
325
5.0
-
-
-
30
-
-
15
MAX
-
-
-
-
-
100
100
100
240
1.0
1.0
-
UNIT
V
V
V
V
V
uA
uA
uA
V
V
MHz
pF
Collector-Emitter Sustaining Voltage
VCEO
Collector-Base Voltage
Emitter Base Voltage
Collector Cut-off Current
Emitter Cut-off Current
DC Current Gain
Collector Emitter Saturation Voltage
Base Emitter Saturation Voltage
Current-Gain-Bandwidth Product
Output Capacitance
Continental Device India Limited
VCBO
VEBO
ICBO
IEBO
hFE
VCESAT
VBESAT
ft
Cob
Typ10
Data Sheet
Page 1 of 2
TO-126 (SOT-32) Plastic Package
C
N
P
B
1
2
3
A
DIM
A
B
C
D
E
F
G
L
M
N
P
S
MIN.
MAX.
S
D
M
F
E
G
STANDARD PACK
Details
Net Weight/Qty
500 pcs/polybag 340 gm/500 pcs
INNER CARTON BOX
Size
Qty
3" x 7.5" x 7.5"
2.0K
Packing Detail
PACKAGE
TO-126
Size
OUTER CARTON BOX
Qty
Gr Wt
32.0K
31 kgs
17" x 15" x 13.5"
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 2 of 2
All dimensions in mm.
1
2
3
L
PIN CONFIGURATION
1. EMITTER
2. COLLEC TOR
3. BASE
7.4
7.8
10.5
10.8
2.4
2.7
0.7
0.9
2.25 TYP.
0.49
0.75
4.5 TYP.
15.7 TYP.
1.27 TYP.
3.75 TYP.
3.0
3.2
2.5 TYP.
DIY/Open Source Hardware
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