ROHM DTA043TUB User Guide
Summary
These PNP Digital Transistors are designed for reliable switching, driving, and interface applications in various electronic equipment. A core feature is the built-in biasing resistors, which significantly simplify circuit design by allowing stable inverter operation without connecting external bias inputs. The accompanying datasheet provides comprehensive electrical characteristics, absolute maximum ratings (up to -50V), and detailed dimensional specifics across multiple surface-mount packages (e.g., VMT3, EMT3F). It is ideal for engineers developing complex logic or driver circuits that require accurate, low-maintenance performance in switching applications.
Page 1 Text Content
DTA043T series
Datasheet
PNP -100m A -50V Digital Transistors (Bias Resistor Built-in Transistors)
l Outline Parameter Value VMT3 EMT3F
Collector
Collector
VCEO -50V IC -100m A
Emitter
Emitter
DTA043TM DTA043TEB (SC-105AA) (SC-89)
UMT3F
Collector
l Features 1) Built-In Biasing Resistors
2) Built-in bias resistors enable the configuration of Emitter
an inverter circuit without connecting external
DTA043TUB input resistors (see inner circuit). (SC-85)
3) 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 completely eliminating parasitic effects. 4) Only the on/off conditions need to be set for operation, making the circuit design easy. 5) Complementary NPN Types :DTC043T series 6) Lead Free/Ro HS Compliant.
l Application Switching circuit, Inverter circuit, Interface circuit, Driver circuit
l Packaging specifications
Package Basic
Taping Reel size Tape width
Part No. Package size ordering Marking
code (mm) (mm)
(mm) unit (pcs)
DTA043TM VMT3 T2L 8,000 DTA043TEB EMT3F TL 3,000
UMT3F TL 3,000 39DTA043TUB
www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. 1/6 2012.04 - Rev.B
Page Summary Contents For ROHM DTA043TUB User Guide
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 7 |
| File Size | 592.25 KB |
| Published | June 19, 2026 |
Enter the captcha to get the download link:
Frequently Asked Questions
What is the primary advantage of using these transistors?
They feature built-in bias resistors which allow for inverter circuit configuration without needing external input resistors.
What are the absolute maximum voltage ratings for the collector terminals?
The Collector-base (CBO) and Collector-emitter (CEO) voltages both have absolute maximum ratings of -50V.
Can these transistors be used in applications requiring extremely high reliability?
No; they are not designed for use in systems that require an extremely high level of reliability where failure could directly threaten human life.
What is the maximum collector power dissipation rating?
The DTA043TUB model has a maximum collector power dissipation of 200 mW.