Preliminary Data

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to

change without notice.

November 2008

Rev 2

1/8

8

2STF1550

2STN1550

Low voltage high performance NPN power transistors

Features

SOT-89 and SOT-223 packages

Applications

Description

The 2STF1550 and 2STN1550 are NPN

transistors manufactured using new “PB-HCD”

(Power bipolar high current density) technology.

The resulting transistor shows exceptional high

gain performances coupled with very low

saturation voltage.

Figure 1.

Internal schematic diagram

SOT-89

1

2

4

3

SOT-223

4

3

2

1

Table 1.

Device summary

Order codes

Marking

Package

Packaging

2STF1550

1550

SOT-89

Tape and reel

2STN1550

N1550

SOT-223

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