ROHM UMH14N, IMH14A Technical data

UMH14N / IMH14A

Transistors

General purpose (dual digital transistors)

UMH14N / IMH14A

zFeatures

1) Two DTC144T chips in a UMT or SMT package.

zEquivalent circuit

UMH14N

(3)

(2) (1)

R

1

(4) (5) (6)

R

1

IMH14A

(4)

(5) (6)

R

1

(3) (2) (1)

R

1

zPackage, marking, and packaging specifications

Type

Package

Marking

Code

Basic ordering unit (pieces)

UMH14N

UMT6

H14

TR

3000

IMH14A

SMT6

H14
T108
3000

zAbsolute maximum ratings (Ta=25°C)

Collector-base voltage

Parameter Symbol

Collector-emitter voltage
Emitter-base voltage
Collector current

Collector power dissipation
Junction temperature

Storage temperature

UMH14N

IMH14A

CBO

V
VCEO
VEBO

IC

Pc

Tj

Tstg

Limits

50
50

5

100
150(TOTAL)
300(TOTAL)

150

−55

to

+150

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.

BV
BV
BV

V

CBO
CEO
EBO

I

CBO

I

EBO

CE(sat)

h

FE

f

T

R

1

Unit

V
V
V

mA

mW

°C
°C

50
50

100

32.9 47 61.1

zExternal dimensions (Unit : mm)

UMH14N

0.2

0.1Min.

ROHM : UMT6
EIAJ : SC-88

IMH14A

0.3Min.

ROHM : SMT6
EIAJ : SC-74

Unit

V

0.5

0.5

0.3

600

−

V

−

V

−

µA
µA

V

−

MHz

−

kΩ

−

−

5

−

−

−

−

−

−

−

250
250

−

)

)

4

3

(

(

)

5

(

)

)

6

1

(

(

1.25

2.1

0.15

0~0.1

Each lead has same dimensions

)(

)

6

1

(

0.3

0.15

(

)(

)

5

2

(

)

)

4

3

(

1.6

2.8

0~0.1

Each lead has same dimensions

I

C

=50µA
IC=1mA
I

E

=50µA
V

CB

=50V

EB

=4V

V
IC/IB=10mA/1mA
VCE/IC=5V/1mA
V

CE

=10V, IE= −5mA, f=100MHz

0.65

)

2

(

1.3

0.65

0.9

0.7

0.95

1.9

0.95

1.1

0.8

Conditions

−

2.0

2.9

∗

Rev.A 1/2

Transistors

zElectrical characteristics curves

1k

500

FE

200
100

50

20
10

5

DC CURRENT GAIN : h

2
1

100µ 200µ 500µ 1m 2m 5m 10m 20m 50m 100m

COLLECTOR CURRENT : I

Ta=100°C

Fig.1 DC current gain vs. collector

current

25°C

−40°C

C

V

(A)

CE

=

5V

1

(V)

500m

CE(sat)

200m
100m

50m

20m
10m

5m

2m
1m

100µ 200µ 500µ 1m 2m 5m 10m 20m 50m 100m

COLLECTOR SATURATION VOLTAGE : V

Ta=100°C

COLLECTOR CURRENT : I

Fig.2 Collector-emitter saturation

voltage vs. collector current

25°C

−40°C

lC/lB=10

C

(A)

UMH14N / IMH14A

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