ROHM DTC044EUB User Guide and Manual
Summary
These digital transistors are high-performance components designed for applications such as inverting, driving, and interfacing circuits. They feature built-in bias resistors, simplifying circuit design by eliminating the need for external input resistors. The accompanying technical manual provides comprehensive deep-dive data, including absolute maximum limits, detailed electrical parameters, and operating characteristic curves. It is essential reading for electrical engineers and designers seeking reliable and efficient switching components.
Page 1 Text Content
100m A/50V Digital transistors(with built-in resistors) DTC044EM / DTC044EEB / DTC044EUB Features Dimensions (Unit : mm) 1) Built-in bias resistors enable the configuration of VMT3 an inverter circuit without connecting external input resistors. (See equivalent circuit) 2) The bias resistors consist of thin-film resistors with complete isolation to allow negative biasing of the input. They also have the advantage of almost completely
Abbreviated symbol : 41
eliminating parasitic effects.
EMT3F
3) Only the on/off conditions need to be set for operation, making the device design easy.
Structure NPN epitaxial planar silicon transistor
Abbreviated symbol : 41
(Resistor built-in type)
UMT3F
Applications Inverter, Interface, Driver (1) (2)
Abbreviated symbol : 41
Packaging specifications Equivalent circuit
Package VMT3 EMT3F UMT3F
R1 OUT
Packaging Type Taping Taping Taping IN
Type Code T2L TL TL 0. 0.
Basic ordering
unit (pieces)
DTC044EM
IN OUT
DTC044EEB
DTC044EUB
Absolute maximum (Ta=25C)
Limits(DTC044E□)
Parameter Symbol Unit
EB UB
Supply voltage VCC
Input voltage VIN
Collector current *1 IC(max) m A Output current IO m A Power dissipation *2 PD m W
Junction temperature Tj C Range of storage temperature Tstg -55 to +150 C *1 Characteristics of built-in transistor *2 Each terminal mounted on a reference land
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©2011 ROHM Co., Ltd. All rights reserved. 1/2 2011.08 - Rev.A
Page Summary Contents For ROHM DTC044EUB User Guide and Manual
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 3 |
| File Size | 302.52 KB |
| Published | June 15, 2026 |
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Frequently Asked Questions
Do I need external resistors for biasing this circuit?
No, built-in bias resistors allow configuration of an inverter circuit without needing to connect external input resistors.
What are the absolute maximum limits on current and voltage?
The maximum collector current (I C) is 100 mA, operating under a supply voltage range up to 50 V CC.
Are these transistors suitable for life-critical applications?
No, they are not designed for use in equipment where failure could result in a direct threat to human life (e.g., medical or aerospace machinery).
What is the required attention regarding safety when using this product?
Users must implement necessary safety measures such as derating, redundancy, and fail-safe designs against physical injury or fire.