EML20
Transistors
1/3
General purpose transistor
(isolated transistor and diode)
EML20
DTC123J A and RB521S-30 are housed independently in a EMT6 package.
Applications
DC / DC converter
Motor driver
Features
1) Tr : NPN digital transistor
Di : Low V
F
2) Mounting possible with EMT3 automatic mounting
machines.
Structure
NPN Silicon epitaxial planar digital transistor
Schottky barrier diode
The following characteristics apply to both Di1 and DTr2.
External dimensions (Unit : mm)
Abbreviated symbol : L20
Each lead has same dimensions
ROHM : EMT6
EMT6
0.22
1.2
1.6
(1) (2)
(5)
(3)
(6)
(4)
0.13
0.5
0.5
0.5
1.0
1.6
1pin mark
Equivalent circuit
DTr2
Di1
R1
R2
(4)
(5)
(6)
(3)
(2)
(1)
R
1
=2.2k
, R
2
=47k
Packaging specifications
Type
EML20
EMT6
L20
T2R
8000
Package
Marking
Code
Basic ordering unit (pieces)
EML20
Transistors
2/3
Absolute maximum ratings (Ta=25
C)
Di1
Parameter
Symbol
I
O
I
FSM
V
R
Tj
Limits
200
1
30
125
Unit
mA
A
V
C
Average revtified forward current
Forward current surge peak (60Hz, 1
)
Reverse voltage (DC)
Junction temperature
DTr2
Supply voltage
Input voltage
Output current
Power dissipation
Junction temperature
Each terminal mounted on a recommended.
Parameter
Symbol
Limits
Unit
V
CC
50
V
12
V
mA
V
IN
I
O
-
5
mA
I
C (MAX.)
100
Tj
150
C
P
d
100
120
mW
Di1 / DTr2
Power dissipation
Storage temperature
Each terminal mounted on a recommended.
Parameter
Symbol
Limits
Unit
P
d
150
mW
-
55 to
+
125
C
Tstg
Electrical characteristics (Ta=25
C)
Di1
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
V
F
-
0.40
0.50
V
I
F
=
200mA
Forward voltage
Reverse current
I
R
-
4.0
30
A
V
R
=
10V
DTr2
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Resistance ratio
R
2
/R
1
17
21
26
-
-
-
Vl
(off)
-
-
0.5
V
V
CC
=
5V / Io
=
100uA
Output voltage
Vo
(on)
-
100
300
mV
I
O
=
5mA, I
I
=
0.25mA
Input voltage
II
-
-
3.6
mA
V
I
=
5V
Input current
I
O(off)
-
-
500
V
CC
=
50V / V
I
=
0V
Output current
G
I
80
-
-
V
O
=
5V / Io
=
10mA
DC current gain
f
T
-
-
MHz
V
CE
=
10V / I
E
= -
5mA, f
=
100MHz
Transition frequency
R
1
1.54
2.2
2.86
k
Input resistance
250
nA
-
VI
(on)
1.1
-
-
V
V
O
=
0.3V / Io
=
5mA
Characteristics of built-in transistor.
Appendix
Appendix1-Rev1.1
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.
Notes
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.
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.
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