500mA / 50V Digital transistors
(with built-in resistors)
DTD114EK
Applications
Inverter, Interface, Driver
Features
1)Built-in bias resistors enable the configuration of an inverter
circuit without connecting external input resistors (see
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)
Packaging specifications
Package
Packaging type
Code
Part No.
DTD114EK
Basic ordering
unit (pieces)
SMT3
Taping
T146
3000
R
1
=10kΩ R
2
=10kΩ
IN
GND
OUT
Dimensions
(Unit : mm)
DTD114EK
2.9
0.4
(3)
1.1
0.8
(2)
(1)
1.6
2.8
0.95 0.95
0.15
1.9
0.3Min.
ROHM : SMT3
EIAJ : SC-59
(1) GND
(2) IN
(3) OUT
Each lead has same dimensions
Addreviated symbol : F24
Inner circuit
R
1
IN
R
2
GND
OUT
Absolute maximum ratings
(Ta=25C)
Parameter
Supply voltage
Input voltage
Output current
Power dissipation
Junction temperature
Storage temperature
Symbol
V
CC
V
IN
I
C
P
D
Tj
Tstg
Limits
DTD114EK
50
−10
to
+40
500
200
150
−55
to
+150
V
V
mA
mW
C
C
Unit
www.rohm.com
c
○
2009 ROHM Co., Ltd. All rights reserved.
1/2
2009.06 - Rev.B
Notice
Notes
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The content specified herein is subject to change for improvement without notice.
The content specified herein is for the purpose of introducing ROHM's products (hereinafter
"Products"). If you wish to use any such Product, please be sure to refer to the specifications,
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.
Great care was taken in ensuring the accuracy of the information specified in this document.
However, should you incur any damage arising from any inaccuracy or misprint of such
information, ROHM shall bear no responsibility for such damage.
The technical information specified herein is intended only to show the typical functions of and
examples of application circuits for the Products. ROHM does not grant you, explicitly or
implicitly, any license to use or exercise intellectual property or other rights held by ROHM and
other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the
use of such technical information.
The Products specified in this document are intended to be used with general-use electronic
equipment or devices (such as audio visual equipment, office-automation equipment, commu-
nication devices, electronic appliances and amusement devices).
The Products specified in this document are not designed to be radiation tolerant.
While ROHM always makes efforts to enhance the quality and reliability of its Products, a
Product may fail or malfunction for a variety of reasons.
Please be sure to implement in your equipment using the Products safety measures to guard
against the possibility of physical injury, fire or any other damage caused in the event of the
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The Products are not designed or manufactured to be used with any equipment, device or
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