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BD241A-A

NPN power transistor

Features .

This device is qualified for automotive
application
NPN transistor

Applications
Audio, general purpose switching and amplifier 3
2
transistors 1

TO-220
Description
The devices are manufactured in Planar Figure 1. Internal schematic diagram
technology with "Base Island" layout. The
resulting transistor shows exceptional high gain
performance coupled with very low saturation
voltage.

Table 1. Device summary
Order code Marking Package Packaging

BD241A-A BD241A TO-220 Tube

July 2007 Rev 1 1/9
www.st.com 9
Absolute maximum ratings BD241A-A

1 Absolute maximum ratings

Table 2. Absolute maximum ratings
Symbol Parameter Value Unit

VCER Collector-emitter voltage (RBE = 100) 70 V
VCEO Collector-emitter voltage (IB = 0) 60 V
VEBO Emitter-base voltage (IC = 0) 5 V
IC Collector current 3 A
ICM Collector peak current (tp < ms) 5 A
IB Base current 1 A
PTOT Total dissipation at Tcase = 25