STW3040 Datasheet, PDF (1/10 Pages) STMicroelectronics – High voltage fast-switching NPN power transistor

STW3040
High voltage fast-switching NPN power transistor
Features
■ High voltage capability
■ High DC current gain
■ Minimum lot-to-lot spread for reliable operation
■ Wide safe operating areas (forward and
reverse biased)
Applications
■ Switching mode power supplies
Description
The STW3040 is manufactured using diffused
collector in planar technology adopting base
island layout. The device is designed for use in
SMPS and desktop power supply.
.
3
2
1
TO-247
Figure 1. Internal schematic diagram
Table 1. Device summary
Order code
STW3040
Marking
W3040
Package
TO-247
Packaging
Tube
October 2008
Rev 3
1/10
www.st.com
10