Page 1
°
C
Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
NPN PLASTIC POWER TRANSISTORS BF457, 458, 459
TO126
Plastic Package
E
C
Video Output Stages of TV Sets , for AF Output Stages with a High Operating
Voltage and as Driver Transistors in Horizontal Deflection Circuit Aplications.
ABSOLUTE MAXIMUM RATINGS (Ta=25ºC unless specified otherwise)
DESCRIPTION SYMBOL 457 458 459 UNITS
Collector Base Voltage(open emitter)
Collector Emitter Voltage (open base)
Emitter Base Voltage(open collector)
Collector Current
Collector current (Peak Value)
Base Current
Total Power Dissipation@ Tc=45°C
Total Power Dissipation@ Ta=25°C
Junction Temperature
Storage Temperature
V
CBO
V
CEO
V
EBO
I
C
I
CM
I
B
P
tot
P
tot
T
j
T
stg
>160 >250 >300 V
>160 >250 >300 V
>5.0 V
<100 mA
<300 mA
<50 mA
<10 W
<1.2 W
<150 °C
-65 to +150
THERMAL RESISTANCE
From Junction to case
From Junction to ambient
R
R
th(j-c)
th(j-a)
10 K/W
104 K/W
ELECTRICAL CHARACTERISTICS (Ta=25ºC Unless Otherwise Specified)
DESCRIPTION SYMBOL 457 458 459 UNITS
Collector-Cut off Current
Emitter cut off Current
Breakdown Voltages
Saturation Voltage
I
CBO
I
CBO
I
EBO
V
CEO
V
CBO
V
EBO
V
CE(sat)IC
IE =0, VCB =100V
IE =0, VCB =200V
I
=0, VCB =250V
E
VEB =3V, IC =0
IC =10mA, IB =0
IC =100uA, IE =0
IC =0, IE =1mA
=30A,IB=6mA
<50 nA
<50 nA
<50 nA
<50 nA
>160 >250 >300 V
>160 >250 >300 V
>5.0 V
<1.0 V
Continental Device India Limited
Data Sheet Page 1 of 4
Page 2
NPN PLASTIC POWER TRANSISTORS BF457, 458, 459
TO126
Plastic Package
E
C
DESCRIPTION SYMBOL 457 458 459 UNITS
Saturation Voltage
V
CE(sat)IC
=30A,IB=6mA
<1.0 V
DC Current Gain
Output capacitance at f=1MHz
Transition Frequency f =20 MHz
Feedback Capacitance f=1MHz
h
FE
C
f
T
C
IC=30mA,VCE=10V
IE=0,VCB=30V
O
IC=15mA, VCE=10V
IC=1mA, VCE=30V
re
>25
Typ 5.5 pF
Typ 90 MHz
Typ 4.2 pF
Continental Device India Limited
Data Sheet Page 2 of 4
Page 3
TO-126 (SOT-32) Plastic Package
A
C
Packing D
il
BF457, 458, 459
TO126
Plastic Package
DIM MIN
N
P
B
B
C
D
E
A
S
1
2
F
G
7.4
10.5
2.4
0.7
2.25 TYP.
0.49
4.5 TYP.
MAX
7.8
10.8
2.7
0.9
0.75
3
L
1
2
3
D
E
G
L
F
M
Pin Configuration
1. Emitter
2. Collector
3. Base
M
N
P
S
All diminsions in mm.
15.7 TYP.
1.27 TYP.
3.75 TYP.
3.0
2.5 TYP.
3.2
eta
PACKAGE
Details
500 pcs/polybag 340 gm/500 pcsTO-126 Bulk 3" x 7.5" x 7.5" 2K 17" x 15" x 13.5" 32K 31 kgs
TO-126 Tube 50 pcs/tube 73 gm/50 pcs 3" x 3.7" x 21.5" 1K 19" x 19" x 19" 10K 15 kgs
Continental Device India Limited
STANDARD PACK INNER CARTON BOX
Net Weight/Qty
Data Sheet Page 3 of 4
Qty
OUTER CARTON BOX
Qty Gr WtSize Size
Page 4
Notes BF457, 458, 459
@
TO126
Plastic Package
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 in the Data Sheet and
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
BF457-459 Rev170701
Continental Device India Limited
cdil.com www.cdil.com
Data Sheet Page 4 of 4
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