BU208D/508D/508DFI
HIGH VOLTAGE FASTSWITCHING NPN
POWER TRANSISTOR
s
s
s
s
s
SGS-THOMSON PREFERRED SALESTYPES
HIGH VOLTAGE CAPABILITY
U.L. RECOGNISED ISOWATT218 PACKAGE
(U.L. FILE # E81734 (N)
JEDEC TO-3 METAL CASE
NPN TRANSISTOR WITH INTEGRATED
FREEWHEELING DIODE
TO-3
1
2
APPLICATIONS:
s
HORIZONTAL DEFLECTION FOR COLOUR
TV
DESCRIPTION
The BU208D, BU508D and BU508DFI are
manufactured
using
Multiepitaxial
Mesa
technology for cost-effective high performance
and uses a Hollow Emitter structure to enhance
switching speeds.
3
2
3
2
TO-218
1
ISOWATT218
1
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symb ol
V
CES
V
CEO
V
EBO
I
C
I
CM
P
tot
T
s tg
T
j
June 1996
Parameter
Collector-Emitter Voltage (V
BE
= 0)
Collector-Emitter Voltage (I
B
= 0)
Emitter-Base Voltage (I
C
= 0)
Collector Current
Collector Peak Current (t
p
< 5 ms)
TO - 3
T otal Dissipation at T
c
= 25
o
C
Storage Temperature
Max. O perating Junction Temperature
150
150
Valu e
1500
700
10
8
15
TO - 218
125
150
ISOW ATT218
50
-65 to 150
150
W
o
o
Unit
V
V
V
A
A
-65 to 150 -65 to 150
C
C
1/8
BU208D/508D/508DFI
THERMAL DATA
TO-3
R
thj -ca se
Thermal Resistance Junction-case
Max
1
T O-218
1
ISOW AT T218
2.5
o
C/W
ELECTRICAL CHARACTERISTICS
(T
case
= 25
o
C unless otherwise specified)
Symbo l
I
CES
I
EBO
V
CE(sat)
∗
V
CEO(s us)
V
BE(sat )
∗
Parameter
Collector Cut-off
Current (V
BE
= 0)
Emitter Cut- off Current
(I
C
= 0)
Collector-Emitter
Saturation Voltage
Collector-Emitter
Sustaining Voltage
Base-Emitter
Saturation Voltage
INDUCT IVE LOAD
Storage Time
Fall Time
Diode F orward Voltage
Transition Frequency
T est Con ditio ns
V
CE
= 1500 V
V
CE
= 1500 V
V
EB
= 5 V
I
C
= 4.5 A
I
C
= 100 m A
I
C
= 4.5 A
I
B
= 2 A
I
B
= 2 A
700
1.3
T
j
= 125 C
o
Min .
T yp.
Max.
1
2
300
1
Unit
mA
mA
mA
V
V
V
t
s
t
f
V
F
f
T
I
C
= 4.5 A h
F E
= 2.5 V
CC
= 140 V
L
C
= 0.9 mH L
B
= 3
µH
I
F
= 4 A
I
C
= 0.1 A
V
CE
= 5 V
f = 5 MHz
7
550
2
7
µs
ns
V
MHz
∗
Pulsed: Pulse duration = 300
µs,
duty cycle 1.5 %
Safe Operating Area (TO-3)
Safe Operating Area (TO-218/ISOWATT218)
2/8
BU208D/508D/508DFI
DC Current Gain
Collector Emitter Saturation Voltage
Base Emitter Saturation Voltage
Switching Time Inductive Load
Switching Time Inductive Load (see figure 1)
Switching Time Percentance vs. Case
3/8
Analogue and Mixed Signal
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