ROHM DTC144WE Data Sheet
Summary
Rohm DTC144WE/DTC144WUA/DTC144WKA digital transistor datasheet describing 100mA/50V NPN epitaxial planar silicon transistors with built-in bias resistors in EMT3, UMT3, and SMT3 surface-mount packages. Features include simplified inverter circuit configuration without external resistors, thin-film isolated bias resistors, and suitability for inverter, interface, and driver applications. Intended for electronics designers implementing compact digital switching circuits in portable and consumer devices.
Page 1 Text Content
100m A / 50V Digital transistors (with built-in resistors) DTC144WE / DTC144WUA / DTC144WKA Applications Dimensions (Unit : mm) Inverter, Interface, Driver
EMT3 (SC-75A)
<SOT-416>
Features 1) Built-in bias resistors enable the configuration of an inverter (3) circuit without connecting external input resistors. 2) The bias resistors consist of thin-film resistors with complete (2) (1)
isolation to allow negative biasing of the input, and parasitic 0.2 0.2
effects are almost completely eliminated. 0.50.5 3) Only the on / off conditions need to be set for operation, 1.0
(1) GND Each lead has same dimensions making the device design easy. (2) IN
Abbreviated symbol : 86
(3) OUT
4) Higher mounting densities can be achieved.
UMT3 Structure <SC-70> 0.2 0.7
NPN epitaxial planar silicon transistor
(Resistor built-in type)
Packaging specifications
Package EMT3 UMT3 SMT3 2. 0.15
Packaging type Taping Taping Taping (1) GND Each lead has same dimensions
(2) IN
Code TL T106 T146
(3) OUT Abbreviated symbol : 86
0. 1M in
Part No. Basic ordering unit (pieces)
0. 1M in
0. 3M in 2.9 1.1
DTC144WE
−DTC144WUA 0.4 0.8
<SC-59>
DTC144WKA
Inner circuit
R1 OUT
(1) GND Each lead has same dimensions
(2) IN
R2 (3) OUT Abbreviated symbol : 86
IN OUT
www.rohm.com
1/2 2009.06 - Rev.C
○c 2009 ROHM Co., Ltd. All rights reserved.
Page Summary Contents For ROHM DTC144WE Data Sheet
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 3 |
| File Size | 94.58 KB |
| Published | June 17, 2026 |
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Frequently Asked Questions
What is the max supply voltage for these transistors?
The maximum supply voltage VCC is 50V at 25°C.
What are the built-in resistor values?
R1 is 47kΩ and R2 is 22kΩ.
What are typical applications for these transistors?
They are used for inverter, interface, and driver circuits.
What is the max output current?
The maximum output current IC(Max.) is 100mA.