EMA2 / UMA2N / FMA2A
Transistors
Emitter common
(dual digital transistors)
EMA2 / UMA2N / FMA2A
zFeatures zExternal dimensions (Unit : mm)
1) Two DTA144E transistors in a EMT or UMT or SMT package.
2) Mounting cost and area can be cut in half.
zStructure
Dual PNP silicon transistor (each with two built in resistors)
The following characteristics apply to both DTr
1 and DTr2.
zEquivalent circuit
EMA2 / UMA2N FMA2A
DTr
R
1
2
(4)
(3) (2) (1)
R2R
2
(5)
R
DTr
1
1
R1=47kΩ
2
=47kΩ
R
DTr
R
1
2
(2)
(3) (4) (5)
R2R
2
(1)
R
DTr
1
1
R1=47kΩ
2
=47kΩ
R
zAbsolute maximum ratings (Ta = 25°C)
Parameter
Supply voltage
Input voltage
Output current
Power
dissipation
EMA2, UMA2N
FMA2A
Junction temperature
Storage temperature
1 120mW per element must not be exceeded.
∗
2 200mW per element must not be exceeded.
∗
Symbol Limits Unit
V
V
C (Max.)
I
Pd
Tstg
CC
IN
I
O
Tj
−50
−40
10
−30
−100
150 (TOTAL)
300 (TOTAL)
150 ˚C
−55 to +150
V
V
mA
mW
˚C
1
∗
2
∗
EMA2
ROHM : EMT5
UMA2N
ROHM : UMT5
EIAJ : SC-88A
FMA2A
0.3to0.6
ROHM : SMT5
EIAJ : SC-74A
(3)
(4)
0.5
1.0
(2)
0.22
0.13
0.5
(1)
(5)
1.2
1.6
0.5
Each lead has same dimensions
Abbreviated symbol : A2
)
)
4
3
(
(
)
0.65
2
0.2
0.15
0.1Min.
(
)
)
6
(
0.65
1
(
1.25
2.1
0.7
0to0.1
Each lead has same dimensions
Abbreviated symbol : A2
)
)
3
2
(
(
0.3
0.15
0.95
2.9
1.9
)(
4
(
0.95
)
)
5
1
(
1.6
2.8
0.8
0to0.1
Each lead has same dimensions
Abbreviated symbol : A2
1.6
1.3
2.0
0.9
1.1
Rev.A 1/2
EMA2 / UMA2N / FMA2A
Transistors
zElectrical characteristics (Ta = 25°C)
Parameter
Symbol
Input voltage
Output voltage
Input current
Output current
DC current gain
Transition frequency
Input resistance
Resistance ratio
Transition frequency of the device
∗
R2 / R1
zPackaging specifications
Package
Code TR T148
Basic ordering
Type
unit (pieces)
EMA2
UMA2N
FMA2A
zElectrical characteristic curves
−100
−50
−20
I (on) (V)
−10
Ta=−40˚C
−5
25˚C
100˚C
−2
−1
−500m
INPUT VOLTAGE : V
−200m
−100m
−100µ
−1m −10m −100m
−200µ −2m −20m −500µ
OUTPUT CURRENT : I
−5m
Fig.1 Input voltage vs. output current
(ON characteristics)
−1
−500m
(V)
−200m
O (on)
−100m
−50m
−20m
−10m
OUTPUT VOLTAGE : V
Ta=100˚C
25˚C
−40˚C
−5m
−2m
−1m
−100µ
−1m −10m −100m
−200µ −2m −20m −500µ −5m −50m
OUTPUT CURRENT : I
Fig.4 Output voltage vs. output
current
Rev.A 2/2
Min.
I (off)
V
VI (on)
VO (on)
IO (off)
−
−3
−
II
−
−
GI
68
f
T 250
−
R1
32.9
0.8
T2R
8000
VO=−0.3V
−50m
O (A)
lO/lI=20
O
(A)
Typ. Max.
−
−
−0.1
−
−
−
47
1
Unit Conditions
−0.5
−0.3
0.18
−
−0.5
61.1
1.2
−
−
−
V
V
mA
µA
−
MHz
kΩ
−
V
V
I
O
V
V
V
V
Taping
3000 3000
−10m
VCC=−5V
−5m
−2m
Ta=100˚C
A)
OUTPUT CURRENT : Io (
25˚C
−1m
−40˚C
−500µ
−200µ
−100µ
−50µ
−20µ
−10µ
−5µ
−2µ
−1µ
0 −3
−0.5 −1 −1.5 −2 −2.5
INPUT VOLTAGE : V
Fig.2 Output current vs. input voltage
(OFF characteristics)
CC
=
−5V, IO
=
−100µA
O
=
−0.3V, IO
=
−2mA
=
−10mA/II
=
−0.5mA
I
=
−5V
CC
=
−50V, VI=0V
O
=
−5V, IO
=
−5mA
CE
=
−10V, IE=5mA, f=100MH
−
−
I (off)
(V)
Z
∗
1k
500
Ta=100˚C
I
200
25˚C
−40˚C
100
50
20
10
5
DC CURRENT GAIN : G
2
1
−100µ −1m −10m −100m
−200µ
Fig.3 DC current gain vs. output
−2m −20m −500µ −5m −50m
OUTPUT CURRENT : I
current
O
VO=−5V
(A)
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
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