BU808DFH
HIGH VOLTAGE FAST-SWITCHING
NPN POWER DARLINGTON TRANSISTOR
a73 NEW Fully Plastic TO-220 for HIGH
VOLTAGE APPLICATIONS
a73 NPN MONOLITHIC DARLINGTON WITH
INTEGRATED FREE-WHEELING DIODE
a73 HIGH VOLTAGE CAPABILITY ( > 1400 V )
a73 HIGH DC CURRENT GAIN ( TYP. 150 )
a73 LOW BASE-DRIVE REQUIREMENTS
a73 DEDICATED APPLICATION NOTE AN1184
a73 FULLY INSULATED PACKAGE (U.L.
COMPLIANT) FOR EASY MOUNTING
a73 CREEPAGE PATH > 4 mm
APPLICATIONS
a73 COST EFFECTIVE SOLUTION FOR
HORIZONTAL DEFLECTION IN LOW END
TV UP TO 21 INCHES.
DESCRIPTION
The BU808DFH is a NPN transistor in monolithic
Darlington configuration. It is manufactured using
Multiepitaxial Mesa technology for cost-effective
high performance.
®
INTERNAL SCHEMATIC DIAGRAM
April 2002
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
CBO
Collector-Base Voltage (I
E
= 0) 1400 V
V
CEO
Collector-Emitter Voltage (I
B
= 0) 700 V
V
EBO
Emitter-Base Voltage (I
C
= 0) 5 V
I
C
Collector Current 8 A
I
CM
Collector Peak Current (t
p
< 5 ms) 10 A
I
B
Base Current 3 A
IBM Base Peak Current (tp < 5 ms) 6 A
Ptot Total Dissipation at Tc = 25
o
C42W
Visol Insulation Withstand Voltage (RMS) from All
Three Leads to Exernal Heatsink
2500 V
T
stg
Storage Temperature -65 to 150
o
C
Tj Max. Operating Junction Temperature 150
o
C
TO-220FH
(see page 6)
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