ROHM EMA3

EMA3 / UMA3N / FMA3A
Transistors
Emitter common
(dual digital transistors)
EMA3 / UMA3N / FMA3A
zExternal dimensions (Unit : mm)
(3)
(4)
(2)
(5)
1.2
1.6
(1)
0.5
0.13
zStructure
Epitaxial planar type PNP silicon transistor (Built-in
resistor type.)
0.5 0.5
1.0
1.6
EMA3
0.22
zFeatures
1) Two DTA143Ts in a EMT or UMT or SMT package.
2) Mounting cost and area can be cut in half.
Each lead has same dimensions
ROHM : EMT5
Abbreviated symbol : A3
2.0
(2)
(1)
1.3
(3)
(4)
(6)
0.65 0.65
UMA3N
0.2
The following characteristics apply to both DTr1 and
DTr2.
1.25
zEquivalent circuit
DTr1
(1)
0.9
Abbreviated symbol : A3
FMA3A
2.9
(2)
1.1
DTr2
Each lead has same dimensions
ROHM : UMT5
EIAJ : SC-88A
0.8
R1
0.95 0.95
1.9
(5)
R1
(3)
(4)
(4)
(5)
(3)
(5)
DTr1
(4)
0.1Min.
R1=4.7kΩ
1.6
2.8
0.3to0.6
0to0.1
DTr2
0to0.1
FMA3A
(1)
R1
(2)
R1
(2)
(1)
(3)
0.3
R1=4.7kΩ
0.15
EMA3 / UMA3N
0.7
0.15
2.1
Each lead has same dimensions
ROHM : SMT5
EIAJ : SC-74A
Abbreviated symbol : A3
Rev.A
1/2
EMA3 / UMA3N / FMA3A
Transistors
zAbsolute maximum ratings (Ta=25°C)
Symbol
Limits
Unit
Collector-base voltage
VCBO
−50
V
Collector-emitter voltage
VCEO
−50
V
Emitter-base voltage
VEBO
−5
V
IC
−100
mA
Parameter
Collector current
Collector power
dissipation
EMA3, UMA3N
150 (TOTAL)
PC
mW
300 (TOTAL)
FMA3A
Junction temperature
Tj
150
˚C
Storage temperature
Tstg
−55 to +150
˚C
∗1
∗2
∗1 120mW per element must not be exceeded.
∗2 200mW per element must not be exceeded.
zElectrical characteristics (Ta=25°C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Collector-base breakdown voltage
BVCBO
−50
−
−
V
Collector-emitter breakdown voltage
BVCEO
−50
−
−
V
IC=−1mA
Emitter-base breakdown voltage
BVEBO
−5
−
−
V
IE=−50µA
VCB=−50V
IC=−50µA
Collector cutoff current
ICBO
−
−
−0.5
µA
DC current transfer ratio
hFE
100
250
600
−
Emitter cutoff current
IEBO
−
−
−0.5
µA
VEB=−4V
VCE (sat)
−
−
−0.3
V
IC/IB=−5mA/−0.25mA
fT
−
250
−
MHz
R1
3.29
4.7
6.11
kΩ
Collector-emitter saturation voltage
Transition frequency
Input resistance
VCE/IC=−5V/−1mA
VCE=−10V, IE=5mA, f=100MHz
∗
−
∗ Transition frequency of the device
zPackaging specifications
Package
Type
Taping
Code
T2R
TR
T148
Basic ordering
unit (pieces)
8000
3000
3000
EMA3
UMA3N
FMA3A
1k
VCE=−5V
DC CURRENT GAIN : hFE
500
50
−1
−500m
−200m
200
100
COLLECTOR SATURATION VOLTAGE : VCE (sat) (V)
zElectrical characteristic curves
−100m
Ta=100˚C
25˚C
−40˚C
20
10
5
2
1
−100µ −200µ −500µ
−1m
−2m
lC/lB=20
Ta=100˚C
25˚C
−40˚C
−5m
−10m −20m
−50m −100m
COLLECTOR CURRENT : IC (A)
Fig.1 DC current gain vs. collector
current
−50m
−20m
−10m
−5m
−2m
−1m
−100µ −200µ −500µ −1m −2m −5m −10m −20m −50m−100m
COLLECTOR CURRENT : IC (A)
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