100mA / 50V Digital transistors
(with built-in resistors)
DTC123EM / DTC123EE / DTC123EUA / DTC123EKA
Applications
Inverter, Interface, Driver
Features
1) Built-in bias resistors enable the configuration of an inverter circuit without connecting external input resistors (see the
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 eliminating parasitic effects.
3) Only the on / off conditions need to be set for operation, making the device design easy.
Structure
NPN epitaxial planar silicon transistor (Resistor built-in type)
Dimensions
(Unit : mm)
DTC123EM
0.2
1.2
0.32
(3)
DTC123EUA
2.0
0.3
( 3)
0.9
0.2
0.7
1.25
(2)
(1)
0.2
0.4 0.4
0.8
ROHM : VMT3
0.5
(1) IN
(2) GND
(3) OUT
0.65 0.65
0.1Min.
0.3Min.
OUT
GND
OUT
0.22
(1)(2)
0.8
1.2
0.13
ROHM : UMT3
EIAJ : SC-70
1.3
0.15
2.1
(1) GND
(2) IN
(3) OUT
Abbreviated symbol : 22
Abbreviated symbol : 22
DTC123EE
1.6
0.3
(3)
DTC123EKA
0.7
0.55
(3)
2.9
0.4
1.1
0.8
0.8
1.6
0.2
0.5 0.5
1.0
0.2
0.1Min.
(2)
(1)
0.15
(2)
(1)
1.6
2.8
ROHM : EMT3
(1) GND
(2) IN
(3) OUT
0.95 0.95
0.15
ROHM : SMT3
EIAJ : SC-59
1.9
(1) GND
(2) IN
(3) OUT
Abbreviated symbol : 22
Abbreviated symbol : 22
Packaging specifications
Package
Packaging type
Code
Basic ordering
unit (pieces)
VMT3
EMT3
UMT3
SMT3
Equivalent circuit
Taping
TL
3000
−
Taping
T2L
8000
Taping
T106
3000
−
−
Taping
T146
3000
−
−
−
IN
IN
R
1
R
2
Type
DTC123EM
DTC123EE
DTC123EUA
DTC123EKA
−
−
−
−
−
GND
−
R
1
=R
2
=2.2kΩ
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2009 ROHM Co., Ltd. All rights reserved.
1/2
2009.03 - Rev.B
Notice
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which can be obtained from ROHM upon request.
Examples of application circuits, circuit constants and any other information contained herein
illustrate the standard usage and operations of the Products. The peripheral conditions must
be taken into account when designing circuits for mass production.
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However, should you incur any damage arising from any inaccuracy or misprint of such
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