July 2007

Rev 2

1/9

9

BD235

BD237

NPN power transistors

Features

■

NPN transistors

Applications

■

Audio, power linear and switching application

Description

The devices are manufactured in Planar

technology with “Base Island” layout. The

resulting transistor shows exceptional high gain

performance coupled with very low saturation

voltage. The PNP types are BD236 and BD238

respectively.

.

Figure 1.

Internal schematic diagram

SOT-32

3

2

1

(TO-126)

www.st.com

Table 1.

Device summary

Order code

Marking

Package

Packaging

BD235

BD237

BD235

BD237

SOT-32

SOT-32

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