USHA BU208D Datasheet
HORIZONTAL DEFLECTION TRANSISTOR
WITH INTEGRATED DAMPER DIODE
NPN BU208D 5A 60W
Technical Data
…designed for use in large screen color deflection circuits.
F Collector-Emitter Voltage-VCES=1500Vdc
F Low saturation:V
F TO-3 Package
F V
MAXIMUM RATINGS
(sus)=700V(min)
CEO
Rating Symbol Value Unit
(sat)=1V(max)@IC=4.5Adc
CE
Collector- Emitter Voltage V
Collector- Emitter Voltage V
Emitter Base Voltage V
Collector Current – Continuous
_Peak(1)
Base Current – Peak I
Total Power Dissipation @
I
I
CM
B
PD 60
TC = 25°C
Derate above 25°C
Operating and Storage junction
Temperature Range
THERMAL CHARACTERISTICS
Characteristic Symbol Max. Unit
Thermal resistance junction to case R
Tj,Tstg -65 to +115 °C
C
CEO
CES
EB
thjc
700 Vdc
1500 Vdc
5 Vdc
5
7.5
3.5 Adc
0.666
1.5 °C/W
Adc
Watts
W/°C
ELECTRICAL CHARACTERISTICS :[ Tc = 25 °C unless otherwise noted ]
B
=
(IC(end)=4.5Adc,VCC=140Vdc,
Characteristic Symbol Min Typ Max Unit
* Off Characteristics :
Collector–Emitter Sustaining
Voltage (1) [ Ic =100 mAdc, I
0 ]
Collector Cutoff Current
[ VCE = 1500 Vdc, V
BE
= 0 ]
Emitter Cutoff Current
[ V
= 5Vdc, Ic = 0 ]
EB
* On Characteristics (1):
Diode Forward Voltage
(IF=4A)
Collector-Emitter Saturation
Voltage
[ Ic = 4.5 Adc , IB = 2Adc )
Base-Emitter Saturation Voltage
[ Ic = 4.5 Adc , IB = 2Adc ]
SWITCHING CHARACTERISTICS
Fall Time
V
CEO(sus)
I
I
EBO
V
V
CE(sat)
V
BE(sat)
CES
tf
700 Vdc
1 mAdc
300 mAdc
F
2 Vdc
1 Vdc
1.5 Vdc
--- 0.6 --- µs
IB(end)=1.8A,LC=0.9mH,LB=10µH)
(1) Pulse Test : Pulse Width =300µs , Duty Cycle < 3.0%
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