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STD1802T4-A

Low voltage fast-switching NPN power transistor

Features
This device is qualified for automotive
application
Very low collector to emitter saturation voltage
High current gain characteristic
3
Fast-switching speed
1
Surface-mounting DPAK (TO-252) power
package in tape & reel (suffix "T4) TO-252
DPAK

Description (suffix "T4")

The device is manufactured in Planar technology
with "Base Island" layout. The resulting transistor
shows exceptional high gain performance
coupled with very low saturation voltage. Figure 1. Internal schematic diagram

Applications
CCFL drivers
Voltage regulators
Relay drivers
High efficiency, low voltage, switching
applications




Table 1. Device summary
Order code Marking Package Packaging

STD1802T4-A D1802 DPAK Tape & reel




June 2007 Rev 1 1/10
www.st.com 10
Electrical ratings STD1802T4-A


1 Electrical ratings

Table 2. Absolute maximum rating
Symbol Parameter Value Unit

VCBO Collector-base voltage (IE =0) 80 V
VCEO Collector-emitter voltage (IB =0) 60 V
VEBO Emitter-base voltage (IC =0) 6 V

IC Collector current 3 A
ICM Collector peak current (tP < 5ms) 6 A
IB Base current 1 A
Ptot Total dissipation at T c 25