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ROHM EMD29 Data Sheet

Summary

The EMD29 is a reliable, isolated digital transistor solution designed for high-efficiency switching applications. Perfect for engineers developing motor drivers and DC/DC converters, this component features PNP (DTr1) and NPN (DTr2) configurations in an EMT6 package. This manual provides comprehensive technical documentation, including absolute maximum ratings, detailed electrical characteristics (Vce saturation, transition frequency), circuit constants, and operational curves to ensure accurate integration into your power electronics designs.

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EMD29

Transistors

General purpose transistor (isolated transistors)

EMD29

DTB513Z and DTC114E A are housed independently in a EMT6 package.

Applications DC / DC converter

Motor driver External dimensions (Unit : mm)

Features

1) DTr1 : PNP digital transistor 0.5

DTr2 : NPN digital transistor 0.50.5

2) Mounting possible with EMT3 automatic mounting (6) (5) (4)

machines.

1pin mark (1) (2) (3)

Structure

Each lead has same dimensions

PNP / NPN Silicon epitaxial planar digital transistor

Abbreviated symbol : D29

ROHM : EMT6

The following characteristics apply to both DTr1 and DTr2.

Equivalent circuit

EMD29

DTr1 : R1/R2 =1kΩ/10kΩ

DTr2 : R1/R2 =10kΩ/10kΩ (3)(2)(1)

Packaging specifications

Type EMD29

Package EMT6 Marking D29 Code T2R

Basic ordering unit (pieces)

Rev.A 1/5

Page Summary Contents For ROHM EMD29 Data Sheet

Page 1 EMD29 Transistors General purpose transistor (isolated transistors) EMD29 DTB513Z and DTC114E A are housed independently in a EMT6 package. Applications DC / DC converter Motor driver External dimensi...
Page 2 EMD29 Transistors Absolute maximum ratings (Ta=25 C) DTr1 Parameter Symbol DTr1 Unit Supply voltage VCC −12 Input voltage −10 to +5 VVIN Output current −500 m AIC (MAX.) Power dissipation Pd m W Junct...
Page 3 EMD29 Transistors Electrical characteristics (Ta=25 C) DTr1 Parameter Symbol Min. Typ. Max. Unit Conditions Vl(off) −0.3 VCC= −5V / Io= −100u A Input voltage VI(on) −2.5 VO= −0.3V / Io= −20m A Output ...
Page 4 EMD29 PU (o n) Transistors Electrical characteristic curves DTr1 VCC = 5[V] VO =0.2V VO = 0.3V IN PU LT : V I(o n) PU (o n) OUTPUT CURRENT : IO [m A] OUTPUT CURRENT : IO [m A] INPUT VOLTAGE : VI(off) ...
Page 5 IN EMD29 TP EN : I (A Transistors VCC=5V VO=0.3V l O/l I=20 Ta=100˚C Ta=100˚C 200μ Ta=−40˚C 50m 25˚C IN PU LT AG : V I ( on ) ( V) INPUT VOLTAGE : VI (off) (V) OUTPUT CURRENT : IO (A) OUTPUT CURRENT :...
Page 6 Appendix Notes No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject...

Manual Details

Brand ROHM
Pages 6
File Size 121.67 KB
Published June 18, 2026
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Frequently Asked Questions

Can I use this transistor for life-critical equipment?

No, if your application requires an extremely high level of reliability and malfunction could endanger human life, you must consult a sales representative first.

What is the built-in resistance setup for the digital transistors?

The devices feature integrated resistors labeled R1 and R2, used in circuit constants to aid operation.

What are the absolute maximum total power dissipation limits?

For DTr1/DTr2 combined, the symbol Pd specifies a total power dissipation limit of 150 mW at Ta=25°C.