July 2007

Rev 5

1/10

10

BD243C

BD244C

Complementary power transistors

Features

■

Complementary NPN-PNP devices

Applications

■

Power linear and switching

Description

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. The

PNP type is BD244C.

.

Figure 1.

Internal schematic diagram

1

2

3

TO-220

www.st.com

Table 1.

Device summary

Order code

Marking

Package

Packaging

BD243C

BD244C

BD243C

BD244C

TO-220

Tube