July 2007

Rev 2

1/9

9

Table 1.

Device summary

Order code

Marking

Package

Packaging

BD179

BD179

SOT-32

Tube

BD179

NPN power transistor

Features

■

NPN transistor

Applications

■

General purpose 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.

Figure 1.

Internal schematic diagram

3

2

1

SOT-32

(TO-126)

www.st.com