May 2006

Rev 1

1/12

12

Order codes

Part Number

Marking

Package

Packing

2STD1665T4

D1665

DPAK

Tape & reel

2STD1665-1

D1665

IPAK

Tube

2STD1665

Low voltage fast-switching

NPN power transistor

General features

■

Very low collector to emitter saturation

volatage

■

High current gain characteristic fast-switching

speed

■

Through-hole IPAK (TO-251) power package

in tube (suffix”-1”)

■

Surface mounting DPAK (TO-252) power

package in tape & reel (suffix”T4”)

Applications

■

Ccfl drivers

■

Voltage regulators

■

Relay drivers

■

High efficiency low voltage switching

applications

Description

The device is manufactured in NPN Planar

Technology by using a “Base Island” layout.

The resulting transistor shows exceptional high

gain performance coupled with very low

saturation voltage.

Internal schematic diagrams

3

2

1

1

3

IPAK

TO251

( Suffix “-1” )

DPAK

TO252

( Suffix “T4” )

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