EMH4 / UMH4N / IMH4A
Transistors
General purpose (dual digital transistors)
EMH4 / UMH4N / IMH4A
Features
1) Two DTC114T chips in a EMT or UMT or SMT
package.
External dimensions
(Unit : mm)
EMH4
0.22
(4)
(5)
(6)
(3)
(2)
(1)
Equivalent circuits
EMH4 / UMH4N
(3)
(2)
(1)
1.2
1.6
1pin mark
0.5
IMH4A
(4)
(5)
(6)
R
1
R
1
0.13
ROHM : EMT6
R
1
(4)
(5)
(6)
(3)
Each lead has same dimensions
R
1
(2)
(1)
(4)
(3)
UMH4N
0.2
0.65
1.3
0.65
0.8
1.1
0.95 0.95
1.9
2.9
R
1
=10KΩ
R
1
=10KΩ
0.5 0.5
1.0
1.6
(6)
1.25
Package, marking, and packaging specifications
0.15
2.1
0.7
0.9
Type
Package
Marking
Code
Basic ordering unit (pieces)
EMH4
EMT5
H4
T2R
8000
UMH4N
UMT6
H4
TN
3000
IMH4A
SMT6
H4
T110
3000
ROHM : UMT6
EIAJ : SC-88
0~0.1
0.1Min.
Absolute maximum ratings
(Ta=25°C)
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Power dissipation
Junction temperature
Storage temperature
∗1
120mW per element must not be exceeded.
∗2
200mW per element must not be exceeded.
Symbol
V
CBO
V
CEO
V
EBO
I
C
Limits
50
50
5
100
150(TOTAL)
300(TOTAL)
150
−55
to
+150
Unit
V
V
V
mA
mW
IMH4A
(6)
0.3
(5)
(4)
EMH4 / UMH4N
IMH4A
Pd
Tj
Tstg
∗1
∗2
1.6
2.8
0.15
°C
°C
0.3Min.
0~0.1
ROHM : SMT6
EIAJ : SC-74
(3)
(2)
(1)
(1)
Each lead has same dimensions
Each lead has same dimensions
Rev.A
2.0
(5)
(2)
1/2
EMH4 / UMH4N / IMH4A
Transistors
Electrical characteristics
(Ta=25°C)
Parameter
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Emitter cutoff current
Collector-emitter saturation voltage
DC current transfer ratio
Transition frequency
Input resistance
∗Transition
frequency of the device.
Symbol
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
EBO
V
CE(sat)
h
FE
f
T
R
1
Min.
50
50
5
−
−
−
100
−
7
Typ.
−
−
−
−
−
−
250
250
10
Max.
−
−
−
0.5
0.5
0.3
600
−
13
Unit
V
V
V
µA
µA
V
−
MHz
kΩ
I
C
=50µA
I
C
=1mA
I
E
=50µA
V
CB
=50V
V
EB
=4V
Conditions
I
C
/I
B
=10mA/1mA
V
CE
=5V,
I
C
=1mA
V
CE
=10V,
I
E
= −5mA,
f=100MHz
∗
−
Electrical characteristics curves
V
CE
=
5V
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
(V)
1k
500
DC CURRENT GAIN : h
FE
1
500m
200m
100m
50m
20m
10m
5m
2m
1m
100µ 200µ
500µ 1m
2m
l
C
/l
B
=10
200
100
50
20
10
5
2
1
100µ 200µ
500µ 1m
2m
5m 10m 20m
50m 100m
Ta=100°C
25°C
−40°C
Ta=100°C
25°C
−40°C
5m 10m 20m
50m 100m
COLLECTOR CURRENT : I
C
(A)
COLLECTOR CURRENT : I
C
(A)
Fig.1 DC current gain vs. collector
current
Fig.2 Collector-emitter saturation
voltage vs. collector current
Rev.A
2/2
Appendix
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.
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
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