Continental Device India Limited
An IS/ISO 9002 and IECQ Certified Manufacturer
NPN POWER TRANSISTORS
BU508F, BU508AF,
BU508DF
TO- 3P Fully Isolated
Plastic Package
Fast Switching, High Voltage Devices for use in Horizontal Deflection Circuits of Colour TV
ABSOLUTE MAXIMUM RATINGS
DESCRIPTION SYMBOL UNIT
Collector -Emitter Voltage VCES V
Collector -Emitter Voltage VCEO V
Emitter Base Voltage VEBO V
Collector Current ICA
Collector Peak Current ICM
Total Power Dissipation upto Ta=25º C Ptot W
Tc=25º C
Storage Temperature Range Tstg ºC
Max Operating Junction Temperature TjºC
THERMAL RESISTANCE
Thermal Resistance Junction - Case Rth (j-c) ºC/W
ELECTRICAL CHARACTERISTICS (TC=25ºC unless specified otherwise)
.
DESCRIPTION SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Collector Cut off Current ICES VCE=VCES, VBE=0 1.0 mA
Collector Emitter Sustaining Voltage VCEO (sus)*IB =0, IC=100mA 700 V
Emitter Base Voltage VEBO IE=10mA, IC =0 5.0 V
BU508F, AF
Emitter Cut-off Current IEBO VEB=5V, IC=0 300 mA
BU508DF
DC Current Gain hFE IC=4.5A, VCE=5V 2.25
Diode forward Voltage VF IF=4.0A 2.0 V
BU508DF
Collector Emitter Saturation Voltage VCE(sat) * IC=4.5A, IB=2.0A 1.0 V
BU508AF, DF
IC=4.5A, IB=2.0A 5.0 V
BU508F
Base Emitter Saturation Voltage VBE(sat) * IC=4.5A, IB=2.0A 1.5 V
SWITCHING TIME
Storage Time tsIC=4.5A,hFE=2.5,VCC=140V 7.0 µs
Fall Time tfLC=0.9mH, LB=3µH0.5 µs
* Pulse test: Pulse Duration
<
300
µµ
s , Duty cycle
<
1.5%.
8
15
34
60
- 65 to +150
150
2.08
VALUE
1500
700
5
IS/ISO 9002
BC
E
Continental Device India Limited Data Sheet Page 1 of 3
BU508F, BU508AF,
BU508DF
TO- 3P Fully Isolated
Plastic Package
TO-3P (TO-218) Plastic Package
Pin Configuration
1.
2. Collector
3.
Base
Emitter
123
All diminsions in mm.
DIM MIN MAX
A
B
C
D
E
F33.25
20.75 21.25
11.50 12.25
1.00 1.30
18.75 21.65
15.80
5.20
3.80
Ø 3.30
14.50 15.10
0.40
3.15 3.45
5.21 5.72
18.75 19.25
16.40
5.70
4.20
Ø 3.60
36.75
0.60
G
H
K
L
M
N
P
S
N
A
D
B
C
H
M
G
E
S
F
1
2
3
K
P P
L
TO-3P 100 pcs/polybag 628 gm/100 pcs 3" x 7.5" x 7.5" 0.3K 17" x 15" x 13.5" 4.8K 42 kgs
PACKAGE
Net Weight/QtyDetails
STANDARD PACK INNER CARTON BOX
Qty
OUTER CARTON BOX
Qty Gr WtSize Size
Packing Detail
Continental Device India Limited Data Sheet Page 2 of 3
Notes
BU508F, BU508AF,
BU508DF
TO- 3P Fully Isolated
Plastic Package
BU508F_BU508DFRev230202E
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@cdil.com www.cdil.com
Continental Device India Limited Data Sheet Page 3 of 3