
DTA124EM / DTA124EE / DTA124EUA /
Transistor DTA124EKA / DTA124ESA
-100mA / -50V Digital transistors
(with built-in resistors)
DTA124EM / DTA124EE / DTA124EUA /
DTA124EKA / DTA124ESA
zApplica tions
Inverter, Interface, Driver
zFeatures
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 positive bia sing o f the inpu t.
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 .
zStructure
PNP epitaxial planar silicon transistor
(Resistor built-in type)
zPackaging specifications
Package
Packaging type
Code
Basic ordering
unit (pieces)
Type
DTA124EM
DTA124EE
DTA124EUA
DTA124EKA
DTA124ESA
VMT3
T2L
8000
−
−
−
−
UMT3EMT3 SMT3 SPT
TapingTaping Taping Taping Taping
TL
T106
T146
3000
3000
3000TP5000
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
zEquivalent circuit
R
1
IN
R
IN
R1=R2=22kΩ
2
OUT
GND(+)
OUT
GND(+)
Rev.A 1/2
zExternal dimensions (Unit : mm)
DTA124EM
ROHM : VMT3
DTA124EE
ROHM : EMT3
DTA124EUA
ROHM : UMT3
EIAJ : SC-70
DTA124EKA
1.2
0.32
(3)
(1)
0.22
0.40.4
0.8
Abbreviated symbol : 15
1.6
0.3
(3)
(2)
0.2
0.5
0.5
1.0
Abbreviated symbol : 15
2.0
0.3
(3)
(2)
0.65
0.65
1.3
Abbreviated symbol : 15
2.9
0.4
(3)
(2)
0.95 0.95
ROHM : SMT3
EIAJ : SC-59
DTA124ESA
ROHM : SPT
EIAJ : SC-72
1.9
Abbreviated symbol : 15
4.0 2.0
3.0
(15Min.)
5.0
(1) (2) (3)
Abbreviated symbol : A124ES
0.2
1.2
0.8
(2)
(1)
0.2
(1)
(1)
2.5
3Min.
0.45
0.13
0.2
0.5
0.7
0.55
1.6
0.8
0.15
0.9
0.2
2.1
1.25
0.15
1.1
1.6
2.8
0.15
0.5
0.7
0.8
0.45
0.1Min.
(1) IN
(2) GND
(3) OUT
(1) GND
(2) IN
(3) OUT
(1) GND
0.1Min.
(2) IN
(3) OUT
(1) GND
(2) IN
0.3Min.
(3) OUT
(1) GND
(2) OUT
(3) IN

DTA124EM / DTA124EE / DTA124EUA /
Transistor DTA124EKA / DTA124ESA
zAbsolute maximum ratings (Ta=25°C)
Parameter Symbol
Supply voltage
Input voltage
Output current
Power dissipation
Junction temperature
Storage temperature
V
I
C(Max.)
Tstg
DTA124EEDTA124EM
CC
V
IN
I
O
P
D
150 200 300
Tj
Limits
DTA124EUA DTA124EKA DTA124ESA
−50
−40 to +10
−30
−100
150
−55 to +150
zElectrical characteristics (Ta=25°C)
Parameter Symbol
Input voltage
Output voltage
Input current
Output current
DC current gain
Input resistance
Resistance ratio
Transition frequency
∗Characteristics of built-in transistor.
V
V
V
O(on)
I
O(off)
G
R
R2/R
Min.
Typ. Max. Unit Conditions
−
−
I(off)
−−
−3
I(on)
−0.1
−
−
−
I
I
−
−
−
56
I
22
15.4
1
1
0.8
1
250
−−
f
T
∗
−0.5
−0.3
−
0.36
−0.5
28.6
1.2
−
CC
=−5V, IO=−100µA
V
V
V
O
=−0.2V, IO=−5mA
I
O/II
=−10mA/−0.5mA
V
V
mA
I
=−5V
µA
V
CC
=−50V, VI=0V
V
O
=−5V, IO=−5mA
−
kΩ
−−
V
CE
MHz
=−10V, IE=5mA, f=100MHz
zElectrical characteristic curves
−100
−50
−20
(V)
I (on)
−10
Ta=−40°C
−5
−2
−1
−500m
INPUT VOLTAGE : V
−200m
−100m
−100µ
25°C
100°C
−1m −10m −100m
−200µ−2m −20m−500µ−5m −50m
OUTPUT CURRENT : I
O
(A)
VO=−0.3V
Fig.1 Input voltage vs. output current
(ON characteristics)
−1
−500m
(V)
−200m
O(on)
−100m
−50m
−20m
−10m
−5m
OUTPUT VOLTAGE : V
−2m
−1m
−100µ−1m −10m −100m−200µ−2m −20m−500µ−5m −50m
Ta=100°C
25°C
−40°C
OUTPUT CURRENT : I
O
lO/lI=20
(A)
Fig.4 Output voltage vs. output
current
−10m
V
CC
=−
5V
−5m
−2m
Ta=100°C
(A)
25°C
−1m
−40°C
−500µ
−200µ
−100µ
−50µ
−20µ
−10µ
OUTPUT CURRENT : Io
−5µ
−2µ
−1µ
0 −3.0
−0.5 −1.0 −1.5 −2.0 −2.5
INPUT VOLTAGE : V
I (off) (V)
Fig.2 Output current vs. input voltage
(OFF characteristics)
Rev.A 2/2
Unit
V
V
mA
mW
°C
°C
−
I
DC CURRENT GAIN : G
1k
500
200
100
50
20
10
5
2
1
−100µ−1m −10m −100m
−200µ−2m −20m−500µ−5m −50m
Ta=100°C
25°C
−40°C
OUTPUT CURRENT : I
Fig.3 DC current gain vs. output
current
V
O
=−
5V
O
(A)

Appendix
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
Notes
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1