ROHM 2SA1576A 2SA1774 2SA2029 2SA1037AK User Manual and Specifications

Summary

Discover reliable performance with this series of PNP silicon transistors, ideal for a wide range of general-purpose amplification and switching applications. This comprehensive technical manual provides detailed specifications, operational curves, and absolute maximum ratings across multiple models. Essential for electronics engineers and circuit designers, it covers electrical characteristics such as hFE, transition frequency (fT), and saturation voltage (VCE(sat)), enabling optimal component selection for reliable hardware design.

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ROHM 2SA1576A 2SA1774 2SA2029 2SA1037AK User Manual and Specifications - Page 1

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Page 1 Text Content

General Purpose Transistor (−50V, −0.15A) 2SA1037AK / 2SA1576A / 2SA1774 / 2SA2029 Features Dimensions (Unit : mm) 1) Excellent h FE linearity.

2SA1037AK 2SA1576A

2) Complements the 2SC2412K / 2SC4081 / 2SC4617 / 2SC5658.

Structure 1.6

Epitaxial planar type. 2.8

PNP silicon transistor

0.1 to 0.4

Each lead has same dimensions

(1) Emitter

ROHM : SMT3 (1) Emitter

(2) Base ROHM : UMT3

EIAJ : SC-59 (2) Base

(3) Collector EIAJ : SC-70

(3) Collector

Abbreviated symbol : F ∗ 0. Abbreviated symbol : F ∗ 0.

to .1

2SA1774 2SA2029

to .10.3 to 0.6

0.15Max.

0.1Min.

(1) Emitter ROHM : VMT3 (1) Base

ROHM : EMT3

(2) Base EIAJ : (2) Emitter

EIAJ : SC-75A

(3) Collecto (3) Collector

Abbreviated symbol : F ∗ 1. Abbreviated symbol : F ∗ 0.

0. to .1

to .1

∗ Denotes h FE

www.rohm.com

1/3 2012.01 - Rev.C

Page Summary Contents For ROHM 2SA1576A 2SA1774 2SA2029 2SA1037AK User Manual and Specifications

Page 1 General Purpose Transistor (−50V, −0.15A) 2SA1037AK / 2SA1576A / 2SA1774 / 2SA2029 Features Dimensions (Unit : mm) 1) Excellent h FE linearity. 2SA1037AK 2SA1576A 2) Complements the 2SC2412K / 2SC40...

Page 2 Data Sheet 2SA1037AK / 2SA1576A / 2SA1774 / 2SA2029 Absolute maximum ratings (Ta=25°C) Parameter Symbol Limits Unit Collector-base voltage VCBO −60 Collector-emitter voltage VCEO −50 Emitter-base vol...

Page 3 Data Sheet 2SA1037AK / 2SA1576A / 2SA1774 / 2SA2029 LL TO TU TI LT (s at ) ( IN h F LL Ic Electrical characteristic curves −50 −10 −100 VCE= −6V Ta=25˚C Ta=25˚C Ta=100˚C −31.5 −20 25˚C −500 IB=0 IB=0...

Page 4 Notice No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without not...

Manual Details

Brand	ROHM
Pages	4
File Size	139.16 KB
Published	June 18, 2026

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Frequently Asked Questions

What is the maximum collector-emitter voltage (VCEO)?

The absolute maximum rating for VCEO is −50 V.

Does this transistor complement any other specific part?

Yes, it complements the 2SC2412K / 2SC4081 / 2SC4617 / 2SC5658.

What safety warning applies to high-reliability equipment?

It cannot be used in systems requiring extremely high reliability (e.g., medical or aerospace machinery).

What is the maximum recommended junction temperature?

The specified junction temperature (Tj) limit is 150 ˚C.