ROHM DTB114EK Data Sheet
Summary
This PNP digital transistor is a compact switching component featuring built-in bias resistors, simplifying complex circuit designs like inverters and interface circuits by eliminating external resistor requirements. Detailed specifications include electrical characteristics, absolute maximum ratings, and performance curves ($I_{on}$, $I_{off}$), ensuring reliable operation for driver and control applications. Ideal for engineers requiring robust, RoHS-compliant switching components in demanding digital and interface systems.
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DTB114EK
Datasheet
PNP -500m A -50V Digital Transistors (Bias Resistor Built-in Transistors)
Outline Parameter Value SMT3
VCC 50V
IC(MAX.) 500m A
DTB114EK R2 10k SOT‐346 (SC‐59)
Features Inner circuit 1) Built-In Biasing Resistors, R1 = R2 = 10k.
R1 OUT
2) Built-in bias resistors enable the configuration of
an inverter circuit without connecting external
input resistors (see equivalent circuit). GND(+)
3) The bias resistors consist of thin-film resistors with complete isolation to allow negative biasing IN OUT of the input. They also have the advantage of
GND(+)
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 Available.(DTD114EK) 6) Lead Free/Ro HS Compliant.
Application ・Inverter circuit ・Interface circuit ・Driver circuit
Packaging specifications
Package Basic
Taping Reel size Tape width
Part No. Package size ordering Marking
code (mm) (mm)
(mm) unit (pcs) DTB114EK SMT3 T146 3,000 F14
www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. 1/5 2012.02 - Rev.C
Page Summary Contents For ROHM DTB114EK Data Sheet
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 6 |
| File Size | 357.15 KB |
| Published | June 01, 2026 |
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Frequently Asked Questions
How can I use this transistor to build an inverter circuit?
The built-in bias resistors enable the configuration of an inverter circuit without connecting external input resistors.
What is the maximum operating voltage and current for the DTB114EK?
The absolute maximum rating for supply voltage (CC) is -50V, and the input current (I) can reach -500mA.
Is this component suitable for critical or life-support applications?
No. The product is not designed for systems requiring extremely high reliability; specialized consultation must be done beforehand.
What material compliance standards are met by this device?
The device is specified as being Lead Free and fully compliant with RoHS regulations.