July 2006 Rev 3 1/11

Order codes

Part Number Marking Package Packing

STF724 724 SOT-89 Tape & reel

STN724 N724 SOT-223 Tape & reel

STF724

STN724

NPN medium power transistors

General features

■ Surface mounting devices in medium power

SOT-223 and SOT-89 packages

■ Available in tape and reel packing

■ In compliance with the 2002/93/EC European

Directive

Applications

■ Voltage regulation

■ Relay driver

■ Generic switch

Description

The STF724 and STN724 are NPN transistors

manufactured using Planar technology resulting

in rugged high performance devices.

Internal schematic diagrams

SOT-223

SOT-89

www.st.com

STF724 STN724

2/11

Contents

11 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.1 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

STF724 STN724

3/11

1 Electrical ratings

Table 2. Thermal data

Table 1. Absolute maximum rating

Symbol Parameter Value Unit

STF724 STN724

CBO

Collector-base voltage (I

= 0) 60 V

CEO

Collector-emitter voltage (I

= 0)

30 V

EBO

Emitter-base voltage (I

= 0) 5 V

Collector current 3 A

Collector peak current (t

< 5ms) 6 A

Base current 1 A

Base peak current (t

< 5ms) 2 A

tot

Total dissipation at T

amb

= 25°C 1.4 1.6 W

stg

Storage temperature -65 to 150 °C

Max. operating junction temperature 150 °C

Symbol Parameter Value Unit

SOT-89 SOT-223

thj-amb

Thermal resistance junction-ambient

(1)

_max

1. Device mounted on PCB area of 1 cm

89 78 °C/W

Part #	724
Description
Category	CONVERTER
Availability	Out of Stock
Qty	0

724

Related Items

Technical Document