EMD28 datasheet(3/6 Pages) ROHM

Part #	EMD28

Description	General purpose transistor (isolated transistors)

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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3 / 6 page

EMD28

Transistors

3/5

Electrical characteristics (Ta=25

°C)

DTr1

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Resistance ratio

R2/R1

1.7

2.1

2.6

−−

−

Vl(off)

−

−−0.3

V

VCC

= −5V / Io= −100uA

Output voltage

Vo(on)

−

−70

−300

mV

IO

= −100mA, II= −5mA

Input voltage

II

−

−−1.8

mA

VI

= −5V

Input current

IO(off)

−−

−0.5

VCC

= −12V / VI=0V

Output current

GI

140

−

VO

= −2V / Io= −100mA

DC current gain

fT

−

MHz

VCE

= −10V / IE=5mA, f=100MHz

Transition frequency

∗

R1

3.29

4.7

6.11

k

Ω

Input resistance

260

µA

−

VI(on)

−2.5

−−

V

VO

= −0.3V / Io= −20mA

∗ Characteristics of built-in transistor.

DTr2

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Resistance ratio

R2/R1

0.8

1

1.2

−−

−

Vl(off)

−

0.5

V

VCC

=5V / Io=100uA

Output voltage

Vo(on)

−

100

300

mV

IO

=10mA, II=0.5mA

Input voltage

II

−

0.18

mA

VI

=5V

Input current

IO(off)

−−

0.5

VCC

=50V / VI=0V

Output current

GI

68

−

VO

=5V / Io=5mA

DC current gain

fT

−

MHz

VCE

=10V / IE= −5mA, f=100MHz

Transition frequency

∗

R1

32.9

47

61.1

k

Ω

Input resistance

250

µA

−

VI(on)

3

−−

V

VO

=0.3V / Io=2mA

∗ Characteristics of built-in transistor.

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