A7 Marking, EMA7 datasheet(2/3 Pages) ROHM

2 / 3 page

EMA7 / UMA7N / FMA7A

Transistors

Rev.A

2/2

Electrical characteristics (Ta = 25

°C)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Input resistance

VI (off)

VI (on)

VO (on)

IO (off)

−

−2.5

−

3.29

−

−0.1

−

250

−

4.7

−0.3

−

−0.3

−1.8

−0.5

−

6.11

µA

−

MHz

Ω

∗

R2 / R1

1.7

2.1

2.6

−

VCC

=−5V, IO=−100µA

=−0.3V, IO=−20mA

IO/II

=−10mA/−0.5mA

=−5V

VCC

=−50V, VI=0V

=−5V, IO=−10mA

VCE

=−10V, IE=5mA, f=100MHz

∗Transition frequency of the device.

Input voltage

Output voltage

Input current

Output current

DC current gain

Transition frequency

Resistance ratio

Electrical characteristics curves

OUTPUT CURRENT : IO

(V)

−100

−50

−20

−10

−5

−2

−1

−500m

−200m

−100m

=−0.3V

−100µ−200µ−500µ−1m −2m

−5m −10m −20m −50m −100m

=−40°C

°C

100

°C

Fig.1 Input voltage vs. output current

(ON characteristics)

−3.0

INPUT VOLTAGE : VI(off)

(V)

−10m

−1µ

−2m

−5m

−1m

−200µ

−500µ

−100µ

−20µ

−50µ

−10µ

−2µ

−5µ

−0.5

−1.0

−1.5

−2.0

−2.5

Fig.2 Output current vs. input voltage

(OFF characteristics)

VCC

=−5V

=100°C

°C

−40°C

OUTPUT CURRENT : IO

(V)

500

200

100

=−5V

−100µ−200µ−500µ−1m −2m

−5m −10m −20m −50m −100m

=100°C

°C

−40°C

Fig.3 DC current gain vs. output

current

OUTPUT CURRENT : IO

(V)

−1

−500m

−200m

−100m

−50m

−20m

−10m

−5m

−2m

−1m

IO/II

=20

−1m

−10m

−100m

−100µ−200µ−500µ−2m

−5m

−20m −50m

=100°C

°C

−40°C

Fig.4 Output voltage vs. output

current

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