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
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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
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