
EMG3 / UMG3N / FMG3A
Transistors
Emitter common
(dual digital transistors)
EMG3 / UMG3N / FMG3A
zFeatures
1) Two DTC143T chips in a EMT or UMT or SMT
package.
2) Mounting cost and area can be cut in half.
zStructure
Dual NPN digital transistor
(each with a single built in resistors)
The following characteristics apply to both the DTr
DTr
2.
zEquivalent circuit
EMG3 / UMG3N FMG3A
DTr
R
1
2
(2)
(3) (4) (5)
(1)
R
DTr
(3) (2) (1)
R
1
DTr
2
(4)
R1=4.7kΩ
R
1
DTr
1
(5)
zAbsolute maximum ratings (Ta = 25°C)
Parameter Symbol
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
V
V
V
Collector current
Collector
power
dissipation
EMG3, UMG3N 150 (TOTAL)
FMG3A 300 (TOTAL)
Junction temperature
Storage temperature
1 120mW per element must not be exceeded.
∗
2 200mW per element must not be exceeded.
∗
Tstg −55 to +150 ˚C
CBO
CEO
EBO
C
I
C
P
Tj 150 ˚C
Limits
50 V
50
5
1 and
R1=4.7kΩ
1
1
Unit
V
V
mA100
mW
zExternal dimensions (Unit : mm)
EMG3
(4)
0.22
(5)
1.2
1.6
0.13
ROHM : EMT5
Abbreviated symbol : G3
UMG3N
)
4
(
0.2
)
5
(
1.25
2.1
0.15
0.1Min.
0to0.1
ROHM : UMT5
EIAJ : SC-88A
Abbreviated symbol : G3
1
∗
2
∗
FMG3A
0.3
0.15
0.3to0.6
ROHM : SMT5
EIAJ : SC-74A
Abbreviated symbol : G3
)
2
(
)
1
(
1.6
2.8
0to0.1
(3)
0.5
1.0
1.6
(2)
0.5
(1)
0.5
Each lead has same dimensions
)
3
(
)
0.65
2
(
1.3
0.95
0.95
0.65
0.7
1.9
0.8
2.0
0.9
2.9
1.1
)
1
(
Each lead has same dimensions
)
3
(
)
4
(
)
5
(
Each lead has same dimensions
Rev.A 1/2

EMG3 / UMG3N / FMG3A
Transistors
zElectrical characteristics (Ta = 25°C)
Parameter Symbol
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 transistor
∗
zPackaging specifications
Package
Code TR T148
Basic ordering
Type
unit (pieces)
EMG3
UMG3N
FMG3A
zElectrical characteristic curves
1k
500
200
100
50
20
10
5
DC CURRENT GAIN : hFE
2
1
100µ 200µ 500µ 1m 2m 5m 10m 20m 50m100m
Ta=100˚C
25˚C
−40˚C
COLLECTOR CURRENT : IC
Fig.1 DC current gain vs. collector
current
VCE=
(A)
5V
T2R
8000
BV
BV
BV
I
CBO
I
EBO
V
CE (sat)
h
FE
f
R
Min.
Typ. Max. Unit Conditions
CBO
CEO
EBO
T
1
−
50
−
50
−
5
−
−
−
−
−
−
100
250
− 250 −
3.29
4.7
−
−
−
0.5
0.5
0.3
600
6.11
µA
µA
MHz
kΩ
Taping
3000 3000
1
V)
(
500m
CE (sat)
200m
100m
50m
20m
10m
5m
2m
1m
100µ200µ500µ1m 2m 5m 10m 20m 50m 100m
COLLECTOR SATURATION VOLTAGE : V
Ta=100˚C
−40˚C
COLLECTOR CURRENT : I
Fig.2 Collector-emitter saturation
voltage vs. collector current
VI
C
=
C
=
V
I
E
=
I
V
CB
V
EB
V
C/IB
V
I
V
CE
−
V
CE
25˚C
50µA
1mA
50µA
=
50V
=
4V
=
5mA/0.25mA
=
5V, I
C
=
=
10V, I
E
lC/lB=20
C
(A)
1mA
=
−5mA, f=100MHz
−
∗
Rev.A 2/2

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