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2010 ROHM Co., Ltd. All rights reserved.

2010.08 - Rev.C

Data Sheet

EMT18 / UMT18N / IMT18



Electrical characteristics (Ta=25

C)

Parameter

Collector-base breakdown voltage

Symbol

Min.

Typ. Max.

Unit

Conditions

−15

−−

= −10μA

= −1mA

= −10μA

= −15V

Collector-emitter breakdown voltage

−12

−−

V

Emitter-base breakdown voltage

−6

−−

V

Collector cutoff current

−−

−0.1

μA

= −6V

Emitter cutoff current

−−

−0.1

μA

= −200mA / −10mA

Collector-emitter saturation voltage

−−100 −250 mV

DC current transfer ratio

270

−

680

−

Transition frequency

−

260

−

MHz

Output capacitance

Cob

−

6.5

−

pF



Package name

Code

Taping

Basic ordering unit (pieces)

EMT18

UMT18N

IMT18

T2R

8000

TR

3000

−

−

−−

T110

3000

−

−

Type



Electrical characteristic curves

1

2

5

10

20

50

100

200

500

1000

0

0.5

1.0

1.5

=2V

Fig.1 Grounded Emitter Propagation

Characteristics

Ta

= −40∞C

Ta

=25∞C

Ta

=125∞C

1

2

5

10

20

50

100

200

500

1000

1

2

5

10 20

50 100 200

500 1000

=2V

Fig.2 DC Current Gain vs.

Collector Current

Ta

= −40∞C

Ta

=25∞C

Ta

=125∞C

1

2

5

10

20

50

100

200

500

1000

1

2

5

10 20

50 100 200

500 1000

=20

Ta

= −40°C

Ta

=25°C

Ta

=125°C

Fig.3 Collector-Emitter Saturation

Voltage vs.

Collector Current (

Ι)