Transistors
z
z
z
z
z
z
General purpose transistor
(isolated transistor and diode)
EML20
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.
z
Equivalent circuit
(4)(5)(6)
External dimensions (Unit : mm)
EMT6
1.6
1.0
0.5
0.5
(5)
(6)
(4)
1.2
(2)
(1)
1pin mark
ROHM : EMT6
(3)
0.22
Each lead has same dimensions
Abbreviated symbol : L20
0.5
1.6
0.13
R1
DTr2Di1
R2
(3)(2)(1)
z
Packaging specifications
Type EML20
Package
Marking
Code
Basic ordering unit (pieces)
! R1=2.2k:, R2=47k:
EMT6
L20
T2R
8000
1/3
Transistors
z
z
Absolute maximum ratings (T a=25qC)
Di1
Parameter Symbol
Average revtified forward current
Forward current surge peak (60Hz, 1∞)
Reverse voltage (DC)
Junction temperature
DTr2
Parameter Symbol
Supply voltage
Input voltage
Output current
Power dissipation
Junction temperature
∗ Each terminal mounted on a recommended.
Di1 / DTr2
Parameter Symbol
Power dissipation
Storage temperature
Each terminal mounted on a recommended.
∗
CC
V
IN
V
I
O
C (MAX.)
d
P
Tj 150 °C
d
P
Tstg
Limits
I
I
FSM
V
Tj
O
R
200
125
Limits
50 V
12
−5
100
100
120
Limits
150 mW ∗
−55 to +125
30
EML20
Unit
mA
1
Unit
mA
mAI
mW
Unit
A
V
°C
V
∗
°C
z
Electrical characteristics (Ta=25qC)
Di1
Parameter Symbol Min. Typ. Max. Unit Conditions
Forward voltage
Reverse current
DTr2
Parameter Symbol Min. Typ. Max. Unit Conditions
Input voltage
Output voltage
Input current
Output current
DC current gain
Transition frequency ∗
Input resistance
Resistance ratio
∗
Characteristics of built-in transistor.
V
F
R
I
Vl
(off)
(on)
VI
Vo
(on)
II −
O(off)
I
I
G
T
f
1
R
2/R1
R
− 0.40 0.50 V IF=200mA
4.0 30
−
− − 0.5 V
1.1
−
−−
100 300
− 3.6
−−
500
80 −
−
250
1.54 2.2 2.86
21
17
μAVR=10V
mV
mA
nA
−
− MHz
kΩ
26
CC
=5V / Io=100uA
V
O
=0.3V / Io=5mA
V
V
O
=5mA, II=0.25mA
I
I
=5V
V
VCC=50V / VI=0V
−
VO=5V / Io=10mA
VCE=10V / IE= −5mA, f=100MHz
−−
−
2/3
Transistors
z
Electrical characteristic curves
Di1
㪇㪇㪇
㪈
㪫㪸㪔㪈㪉㪌㷄
㪈㪇㪇
㪫㪸㪔㪎㪌㷄
㪈㪇
㪈
㪇㪅㪈
㪇㪅㪇㪈
㪝㪦㪩㪮㪘㪩㪛㩷㪚㪬㪩㪩㪜㪥㪫㪑㪠㪝㩿㫄㪘㪀
㪇㪅㪇㪇㪈
㪇 㪈㪇㪇 㪉㪇㪇 㪊㪇㪇 㪋㪇㪇 㪌㪇㪇
㪝㪦㪩㪮㪘㪩㪛㩷㪭㪦㪣㪫㪘㪞㪜䋺㪭㪝㩿㫄㪭㪀
㪭㪝㪄㪠㪝㩷㪚㪟㪘㪩㪘㪚㪫㪜㪩㪠㪪㪫㪠㪚㪪
DTr2
㪫㪸㪔㪄㪉㪌㷄
㪫㪸㪔㪉㪌㷄
㪈㪇㪇㪇㪇㪇
㪫㪸㪔㪈㪉㪌㷄
㪈㪇㪇㪇㪇
㪈㪇㪇㪇
㪈㪇㪇
㪫㪸㪔㪎㪌㷄
㪫㪸㪔㪉㪌㷄
㪈㪇
㪈
㪩㪜㪭㪜㪩㪪㪜㩷㪚㪬㪩㪩㪜㪥㪫㪑㪠㪩㩿㫌㪘㪀
㪇㪅㪈
㪫㪸㪔㪄㪉㪌㷄
㪇㪅㪇㪈
㪇㪈㪇㪉㪇㪊㪇
㪩㪜㪭㪜㪩㪪㪜㩷㪭㪦㪣㪫㪘㪞㪜䋺㪭㪩㩿㪭㪀
㪭㪩㪄㪠㪩㩷㪚㪟㪘㪩㪘㪚㪫㪜㪩㪠㪪㪫㪠㪚㪪
EML20
㪈㪇㪇
㪈㪇
㪫㪜㪩㪤㪠㪥㪘㪣㪪㪑㪚㫋㩿㫇㪝㪀
㪚㪘㪧㪘㪚㪠㪫㪘㪥㪚㪜㩷㪙㪜㪫㪮㪜㪜㪥
㪈
㪇 㪌 㪈㪇 㪈㪌 㪉㪇
㪩㪜㪭㪜㪩㪪㪜㩷㪭㪦㪣㪫㪘㪞㪜㪑㪭㪩㩿㪭㪀
㪭㪩㪄㪚㫋㩷㪚㪟㪘㪩㪘㪚㪫㪜㪩㪠㪪㪫㪠㪚㪪
㪽㪔㪈㪤㪟㫑
100
50
20
(V)
I (on)
10
5
Ta
2
1
500m
INPUT VOLTAGE : V
200m
100m
100μ 200μ 500μ 1m 2m 5m 10m 20m 50m 100m
=−40°C
25°C
100°C
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 200μ 500μ 1m 2m 5m 10m 20m 50m 100m
Ta
=100°C
25°C
−40°C
OUTPUT CURRENT : I
O
lO/lI=20
(A)
Fig.4 Output voltage vs. output
current
10m
5m
2m
(A)
1m
500μ
200μ
100μ
50μ
20μ
10μ
OUTPUT CURRENT : Io
5μ
2μ
1μ
03.0
Ta=100°C
25°C
−40°C
0.5 1.0 1.5 2.0 2.5
INPUT VOLTAGE : V
I (off)
VCC=5V
(V)
Fig.2 Output current vs. input voltage
(OFF characteristics)
1k
VO=5V
500
I
DC CURRENT GAIN : G
Ta=100°C
200
100
50
20
10
5
2
1
100μ 200μ 500μ 1m 2m 5m 10m 20m 50m 100m
25°C
−40°C
OUTPUT CURRENT : I
Fig.3 DC current gain vs. output
current
O
(A)
3/3
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 commer c i a l l y
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 documentare 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
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