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.
Page 1 Text Content
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=25C) 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=25C)
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
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Page Summary Contents For ROHM 2SAR522M, 2SAR522EB, 2SAR522EB User Manual and Specifications
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 3 |
| File Size | 167.22 KB |
| Published | July 10, 2026 |
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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.