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ROHM 2SAR522M, 2SAR522EB, 2SAR522EB User Manual and Specifications

Summary

The 2SAR522 series is a reliable, general-purpose PNP silicon epitaxial planar transistor designed for switching applications, including use as an EMT3F Switch and in sophisticated LED drivers. This manual provides comprehensive technical documentation, detailing absolute maximum ratings, detailed electrical characteristics such as hFE and fT, dimensional specifications, and packaging options. It is intended for manufacturers designing various general electronic equipment that requires stable and high-performance transistor functionality.

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General purpose transistor(-20V,-0.2A) 2SAR522M / 2SAR522EB / 2SAR522UB Structure Dimensions (Unit : mm) PNP silicon epitaxial planar transistor VMT3

Features Complements the 2SCR522M / 2SCR522EB / 2SCR522UB.

Abbreviated symbol : PC

Applications

Switch, LED driver EMT3F

Packaging specifications

Package VMT3 EMT3F UMT3F (1) (2)

Packaging Type Taping Taping Taping

Abbreviated symbol : PC

Code T2L TL TL

UMT3F

Basic ordering 0.32 0.9 unit (pieces) (3)

2SAR522M

2SAR522EB

2SAR522UB

Abbreviated symbol : PC

 Absolute maximum ratings (Ta=25C) Inner circuit

Parameter Symbol Limits Unit (3)

Collector-base voltage VCBO −20

Collector-emitter voltage VCEO −20

Emitter-base voltage VEBO −5

IC m A−200 (1) Base

Collector current (2) Emitter

∗1 ICP m A−400 (3) Collector

2SAR522M,2SAR522EB m W

Power ∗2

dissipation

2SAR522UB m W

Junction temperature Tj °C

Storage temperature Tstg −55 to +150 °C

∗1 Pw=1m S Single pulse ∗2 Each terminal mounted on a recommended land

Electrical characteristics (Ta=25C)

Parameter Symbol Min. Typ. Max. Unit Conditions

Collector-emitter breakdown voltage BVCEO −20 IC= −1m A

Collector-base breakdown voltage BVCBO −20 IC= −50μA

Emitter-base breakdown voltage BVEBO −5 IE= −50μA Collector cut-off current ICBO −0.1 μA VCB= −20V Emitter cut-off current IEBO −0.1 μA VEB= −5V Collector-emitter saturation voltage VCE(sat) −0.12 −0.30 IC= −100m A, IB= −10m A

DC current gain h FE VCE= −2V, IC= −1m A Transition frequency f T MHz VCE= −10V, IE=10m A, f=100MHz Cob p F VCB= −10V, IE=0A, f=1MHz Output capacitance

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1/2 2010.09 - Rev.A

○c 2009 ROHM Co., Ltd. All rights reserved.

Page Summary Contents For ROHM 2SAR522M, 2SAR522EB, 2SAR522EB User Manual and Specifications

Page 1 General purpose transistor(-20V,-0.2A) 2SAR522M / 2SAR522EB / 2SAR522UB Structure Dimensions (Unit : mm) PNP silicon epitaxial planar transistor VMT3 Features Complements the 2SCR522M / 2SCR522EB /...
Page 2 Data Sheet 2SAR522M / 2SAR522EB / 2SAR522UB ob p F LL IO ib p F LT (s at (V LL Electrical characteristics curves IB=1.0m A IB=0.9m A IB=0.8m A IB=0.7m A VCE =2V VCE=2V IB=0.6m A Ta=125°C -80 25°C IB=...
Page 3 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 3
File Size 167.22 KB
Published July 10, 2026
1 views

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Frequently Asked Questions

What is the main use case for these transistors?

They are designed for applications such as EMT3F Switch and LED driver.

What are the key performance ratings for certain models?

The 2SAR522M, 2SAR522EB have a PD dissipation of 150 mW, while 2SAR522UB is rated for 200 mW.