RN739F / RN739D

Diodes

PIN diode

RN739F / RN739D

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!Applications

VHF / UHF band variable attenuators and AGC

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!Features

1) Multiple diodes in one small surface mount package.

(UMD3, SMD3)

3) High reliability.

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!Construction

Silicon diffusion junction

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!Circuit

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!External dimensions

(Units : mm)

0

~0.1

0.15

±0.05

0.3

±0.1

2.0

±0.2

1.3

±0.1

0.65

0.65

0.9

±0.1

0.3

0.6

ROHM : UMD3

EIAJ : SC-70

JEDEC : SOT-323

(All pins have the same dimensions)

0.15

0.4

0

~0.1

1.1

0.8

±0.1

2.9

±0.2

1.9

±0.2

0.95 0.95

+0.2

−0.1

+0.1

−0.06

+0.1

−0.05

ROHM : SMD3

EIAJ : SC-59

JEDEC : SOT-346

(All pins have the same dimensions)

RN739F

RN739D

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!Absolute maximum ratings

(Ta = 25

°C)

Parameter

Symbol

Limits

Unit

DC reverse voltage

50

V

DC forward current

50

mA

Power dissipation

100

mW

Junction temperature

125

°C

Storage temperature

Tstg

°C

Tj

−55~+125

Pd

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!Electrical characteristics

(Ta = 25

°C)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Forward voltage

−−

1.0

V

Reverse current

−−

100

nA

Capacitance between terminals

−−

0.4

pF

Forward operating resistance

−−

7

Ω