MA338 查看數據表（PDF） - Panasonic Corporation

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MA338

Silicon epitaxial planar type

Panasonic Corporation 

Variable Capacitance Diodes

MA2X338 (MA338)

Silicon epitaxial planar type

For CATV tuner

I Features

• Large capacitance ratio

• Small series resistance rD, resulting in obtaining high perfor-

mance index, Q of a circuit

I Absolute Maximum Ratings Ta = 25°C

Parameter

Symbol

Rating

Unit

Reverse voltage (DC)

Peak reverse voltage*

Forward current (DC)

Junction temperature

Storage temperature

VR

34

V

VRM

35

V

IF

20

mA

Tj

150

°C

Tstg

−55 to +150

°C

Note) * : RL = 10 kΩ

INDICATES

CATHODE

1

Unit : mm

2

+ 0.2

2.7 − 0.1

3.3 ± 0.2

*(3.8 ± 0.2)

5°

5°

*( ): WL type

1 : Anode

2 : Cathode

Mini Type Package (2-pin)

Marking Symbol: 6H

I Electrical Characteristics Ta = 25°C

Parameter

Symbol

Conditions

Min Typ Max Unit

Reverse current (DC)

Diode capacitance

Capacitance ratio

Diode capacitance deviation

Series resistance*

IR

CD(2V)

CD(25V)

CD(10V)

CD(17V)

CD(2V)/CD(25V)

∆C

rD

VR = 30 V

VR = 2 V, f = 1 MHz

VR = 25 V, f = 1 MHz

VR = 10 V, f = 1 MHz

VR = 17 V, f = 1 MHz

CD(2V)(10V)(17V)(25V)

CD = 9 pF, f = 470 MHz

27.13

2.60

7.05

3.48

10

10

nA

32.15 pF

3.15 pF

9.97 pF

4.74 pF



2.5

%

0.63

Ω

Note) 1. Rated input/output frequency: 470 MHz

2. * : rf measuring instrument: YHP MODEL 4191A RF IMPEDANCE ANALYZER

Note) The part number in the parenthesis shows conventional part number.

300

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