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TIP41A
TIP42A
COMPLEMENTARY SILICON POWER TRANSISTOR

Features
COMPLEMENTARY PNP-NPN DEVICES
NEW ENHANCED SERIES
HIGH SWITCHING SPEED
hFE IMPROVED LINEARITY

3
Applications 1
2

GENERAL PURPOSE CIRCUITS
TO-220
AUDIO AMPLIFIER
POWER LINEAR AND SWITCHING

Description
Internal Schematic Diagram
The TIP41A is a silicon base island technology
NPN power transistor Jedec TO-220 plastic
package with improved performances than the
industry standard TIP41A that make this device
suitable for audio, power linear and switching
applications. The complementary PNP type is
TIP42A.

Order Codes

Part Number Marking Package Packing

TIP41A TIP41A TO-220 TUBE
TIP42A TIP42A TO-220 TUBE

rev.1
October 2005 1/10
www.st.com 10
1 Absolute Maximum Ratings TIP42A

1 Absolute Maximum Ratings

Table 1. Absolute Maximum Ratings
Symbol Parameter Value Unit
VCBO Collector-Base Voltage (IE = 0) 60 V
VCEO Collector-Emitter Voltage (IB = 0) 60 V
VEBO Emitte-Base Voltage (IC = 0) 5 V
IC Collector Current 6 A
ICM Collector Peak Current 10 A
IB Base Current 3 mA
Total dissipation at Tcase = 25