ROHM EMH1 UMH1N IMH1A User's Manual
Summary
These complex digital transistors are specialized components for designing robust inverter, interface, and driver circuits. Featuring built-in biasing resistors eliminates the need for external input circuitry, simplifying circuit design, even when implementing negative biases. This manual serves as a comprehensive technical guide, covering absolute maximum ratings, detailed electrical characteristics (including current gain and switching frequency), optimal application guidelines, and precise package dimensions required for integration into your electronic equipment or devices.
Page 1 Text Content
EMH1 / UMH1N / IMH1A
Datasheet
NPN 100m A 50V Complex Digital Transistors (Bias Resistor Built-in Transistors)
l Outline Parameter Tr1 and Tr2 EMT6 UMT6
VCC (5)
IC(MAX.) 100m A (2) (2)
EMH1 UMH1N
R2 22k W (SC-107C) SOT-353 (SC-88)
(4) l Features (5) (6)
1) Built-In Biasing Resistors, R1 = R2 = 22k W.
2) Two DTC124E chips in one package. (1) 3) Built-in bias resistors enable the configuration of
IMH1A an inverter circuit without connecting external SOT-457 (SC-74)
input resistors (see inner circuit). 4) The bias resistors consist of thin-film resistors
with complete isolation to allow negative biasing l Inner circuit
of the input. They also have the advantage of
EMH1 / UMH1N IMH1A
completely eliminating parasitic effects.
OUT IN GND
OUT IN GND
5) Only the on/off conditions need to be set for (6) (5) (4)
operation, making the circuit design easy. 6) Lead Free/Ro HS Compliant.
l Application
GND IN OUT
Inverter circuit, Interface circuit, Driver circuit GND IN OUT
l Packaging specifications
Package Basic
Taping Reel size Tape width
Part No. Package size ordering Marking
code (mm) (mm)
(mm) unit (pcs)
EMH1 EMT6 T2R 8,000 H18 UMH1N UMT6 TR 3,000 H1 IMH1A SMT6 T108 3,000 H1
www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. 1/7 2012.06 - Rev.B
Page Summary Contents For ROHM EMH1 UMH1N IMH1A User's Manual
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 8 |
| File Size | 538.17 KB |
| Published | July 07, 2026 |
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Frequently Asked Questions
What types of circuits can this transistor be used in?
It can be used for Inverter circuit, Interface circuit, and Driver circuit.
Do the transistors require external input resistors?
No, built-in bias resistors allow formation of an inverter circuit without connecting external input resistors.
What is the maximum continuous collector power dissipation (EMH1/UMH1N)?
The listed maximum power dissipation for EMH1 or UMH1N is 150mW (Total).
Is this component RoHS compliant?
Yes, the product has Lead Free/RoHS Compliant status.