ROHM EMA4, FMA4A, UMA4N Schematic [ru]

EMA4 / UMA4N / FMA4A

Transistors

General purpose (dual digital transistors)

EMA4 / UMA4N / FMA4A

zFeature

1) Two DT A114T chips in a EMT or UMT or SMT
package.

zEquivalent circuit s

EMA4 / UMA4N

(2)(3)

R

1

(1)

R

1

FMA4A

(3)

R

1

(4) (5)

R

1

zExternal dimensions (Unit : mm)

EMA4

(3)

ROHM : EMT5

0.22

0.13

(4)

(5)

0.5

1.0

1.6

(2)

0.5

(1)

1.2

1.6

0.5

Each lead has same dimensions

(4) (5)

(2)

(1)

zPackage, marking, and packaging specifications

A4
TR

FMA4A

SMT5

A4
T148
3000

Type

Package

Marking

Code

Basic ordering unit (pieces)

EMA4
EMT5

A4

T2R

8000

UMA4N

UMT5

3000

zAbsolute maximum ratings (Ta=25°C)

Parameter Symbol
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage

V
V
V

Collector current
Power

dissipation

EMA4 / UMA4N

FMA4A

Junction temperature
Storage temperature

∗1 120mW per element must not be exceeded.
∗2 200mW per element must not be exceeded.

Tstg

Pd

CBO
CEO
EBO

I

Tj

C

Limits

−50

−50

−5

−100

150(TOTAL)
300(TOTAL)

150

−55

to

+150

Unit

V
V
V

mA

mW

°C
°C

)

UMA4N

0.2

0.15

ROHM : UMT5
EIAJ : SC-88A

FMA4A

∗1

0.1Min.

)

2

(

0.3

)

1

(

∗2

0.15

ROHM : SMT5
EIAJ : SC-74A

0.3to0.6

)

4

3

(

(

)

0.65

2

(

)

1.6

2.8

)

5

(

0to0.1

1.25

2.1

0to0.1

0.65

1

(

0.7

Each lead has same dimensions

)

3

(

0.95

2.9

1.9

)(

4

(

0.95

)

5

1.1

0.8

Each lead has same dimensions

1.3

2.0

0.9

Rev.A 1/2

Transistors

zElectrical characteristics (Ta=25°C)

Parameter Symbol Min. Typ. Max.
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.

zElectrical characteristics curves

1k

500

FE

200
100

50

20
10

5

DC CURRENT GAIN : h

2
1

−100µ−1m −10m −100m

Ta=100°C

25°C

−40°C

−200µ−2m −20m−500µ−5m −50m

COLLECTOR CURRENT : I

Fig.1 DC current gain vs. collector

current

V

CE

=−

5V

C

(A)

BV
BV
BV

I
I

V

CE(sat)

CBO
CEO

EBO
CBO
EBO

h

FE

f

T

R

1

−50

−50

−5

100

−

−

−

−

−

−

−

−

−

250
250

−

71013

−1

(V)

−500m

CE(sat)

−200m

−100m

−50m

−20m

−10m

−5m

−2m

−1m

COLLECTOR SATURATION VOLTAGE : V

−100µ−1m −10m −100m

−200µ−2m −20m−500µ−5m −50m

Ta=100°C

25°C

−40°C

COLLECTOR CURRENT : I

Fig.2 Collector-emitter saturation

voltage vs. collector current

EMA4 / UMA4N / FMA4A

Conditions

=−50V
=−4V

=−10mA/−1mA
=−5V, IC=−1mA
=−10V, IE=5mA, f=100MHz

−

−0.5

−0.5

−0.3

600

Unit

V

C

µA
µA

=−50µA

I

V

C

=−1mA

I

V

I

E

=−50µA

V

CB
EB

V

V

I

C/IB

V

CE

−

V

CE

−

−

−

MHz

−

kΩ

lC/lB=20

C

(A)

∗

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