|
BU208A |
|
BU508A/BU508AFI |
|
HIGH VOLTAGE FAST-SWITCHING |
|
NPN POWER TRANSISTORS |
■STMicroelectronics PREFERRED SALESTYPES
■HIGH VOLTAGE CAPABILITY
■U.L. RECOGNISED ISOWATT218 PACKAGE (U.L. FILE # E81734 (N)
■JEDEC TO-3 METAL CASE.
APPLICATIONS:
■HORIZONTAL DEFLECTION FOR COLOUR TV
DESCRIPTION
The BU208A, BU508A and BU508AFI are manufactured using Multiepitaxial Mesa technology for cost-effective high performance and use a Hollow Emitter structure to enhance switching speeds.
ABSOLUTE MAXIMUM RATINGS
Symbol |
Parameter |
VCES |
Collector-Emitter Voltage (VBE = 0) |
VCEO |
Collector-Emitter Voltage (IB = 0) |
VEBO |
Emitter-Base Voltage (IC = 0) |
IC |
Collector Current |
ICM |
Collector Peak Current (tp < 5 ms) |
Pt ot |
Total Dissipation at Tc = 25 oC |
Tstg |
Storage Temperature |
Tj |
Max. Operating Junction Temperature |
TO-3
1
2
|
3 |
3 |
|
2 |
2 |
TO-218 |
1 |
ISOWATT218 1 |
INTERNAL SCHEMATIC DIAGRAM
For TO-3 :
C = Tab
E = Pin2.
|
Value |
|
Unit |
|
1500 |
|
V |
|
700 |
|
V |
|
10 |
|
V |
|
8 |
|
A |
|
15 |
|
A |
TO - 3 TO - 218 |
I SOW AT T218 |
|
|
150 |
125 |
50 |
W |
-65 to 175 |
-65 to 150 |
-65 to 150 |
oC |
175 |
150 |
150 |
oC |
November 1999 |
1/8 |
BU208A / BU508A / BU508AFI
THERMAL DATA
|
|
T O-3 |
TO -218 |
ISO WATT218 |
|
Rt hj-ca se Thermal Resistance Junction-case |
Max |
1 |
1 |
2.5 |
oC/W |
ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified)
Symb ol
ICES
IEBO
VCEO(sus )
VEBO
Parameter
Collector Cut-off
Current (VBE = 0)
Emitter Cut-off Current
(IC = 0)
Collector-Emitter
Sustaining Voltage
(IB = 0)
Test Cond ition s |
Mi n. Typ . Max. |
Un it |
|
VCE = 1500 V |
TC = 125 oC |
1 |
mA |
VCE = 1500 V |
|
2 |
mA |
VEB = 5 V |
|
100 |
μA |
IC = 100 mA |
|
700 |
V |
Emitter Base Voltage IE = 10 mA |
10 |
V |
(IC = 0) |
|
|
VCE(sat ) Collector-Emitter |
IC = 4.5 A |
|
IB = 2 A |
|
1 |
V |
|
|
Saturation Voltage |
|
|
|
|
|
|
VBE(s at) Base-Emitt er |
IC = 4.5 A |
|
IB = 2 A |
|
1.3 |
V |
|
|
Saturation Voltage |
|
|
|
|
|
|
|
INDUCTIVE LOAD |
IC = 4.5 A |
hF E = 2.5 |
VCC = 140 V |
|
|
μs |
ts |
Storage Time |
LC = 0.9 mH |
LB = 3 μH |
7 |
|
||
tf |
Fall Time |
|
|
|
0.55 |
|
μs |
fT |
Transition Frequency |
IC = 0.1 A |
VCE = 5 V |
f = 5 MHz |
7 |
|
MHz |
Pulsed: Pulse duration = 300 μs, duty cycle 1.5 %
Safe Operating Area (TO-3) |
Safe Operating Areas (TO-218/ISOWATT218) |
2/8
BU208A / BU508A / BU508AFI
DC Current Gain |
Collector Emitter Saturation Voltage |
Base Emitter Saturation Voltage |
Switching Time Inductive Load |
Switching Time Inductive Load (see figure 1)
3/8
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