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2STP535FP
NPN power Darlington transistor
Features
Monolithic Darlington transistor with integrated
antiparallel collector-emitter diode
Very high DC current gain
Applications
3
Electronic ignition 2
1
AC-DC motor control
TO-220FP
Alternator regulator
Description Figure 1. Internal schematic diagram
The 2STP535FP is a planar NPN power
transistor in monolithic Darlington configuration
mounted in TO-220FP fully isolated package.
R typ. = 75
Table 1. Device summary
Order code Marking Package Packaging
2STP535FP 2STP535FP TO-220FP Tube
August 2009 Doc ID 16132 Rev 1 1/8
www.st.com 8
Electrical ratings 2STP535FP
1 Electrical ratings
Table 2. Absolute maximum ratings
Symbol Parameter Value Unit
VCBO Collector-base voltage (IE = 0) 180 V
VCEO Collector-emitter voltage (IB = 0) 180 V
VEBO Emitter-base voltage (IC = 0) 5 V
IC Collector current 8 A
ICM Collector peak current (tp < 5 ms) 15 A
IB Base current 1 A
Ptot Total dissipation at Tc 25