Panasonic MA2X339 Datasheet

Variable Capacitance Diodes

MA2X339

Silicon epitaxial planar type

For UHF and VHF electronic tuners

■ Features

•

Large capacitance ratio

•

Small series resistance r

D

INDICATES CATHODE

12

+ 0.2

− 0.1

1.6

+ 0.2

2.7

− 0.1

3.3 ± 0.2

*(3.8 ± 0.2)

Unit : mm

■ Absolute Maximum Ratings Ta = 25°C

Parameter Symbol Rating Unit

Reverse voltage (DC) V

Peak reverse voltage

*

Forward current (DC) I

Junction temperature T

Storage temperature T

Note) * : RL = 2.2 kΩ

R

V

RM

F

j

stg

32 V

34 V

20 mA

150 °C

−55 to +150 °C

+ 0.2

Marking Symbol: 6N

■ Electrical Characteristics Ta = 25°C

Parameter Symbol Conditions Min Typ Max Unit

Reverse current (DC) I

Diode capacitance C

Capacitance ratio

Capacitance difference

Diode capacitance deviation

Series resistance

*

R

D(2V)

C

D(25V)

C

D(10V)

C

D(17V)

C

D(2V)/CD(25V)

C

D(10V)/CD(17V)

∆C

r

D

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

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

VR = 30 V 10 nA

VR = 2 V, f = 1 MHz 14.220 15.473 pF

VR = 25 V, f = 1 MHz 2.132 2.321 pF

VR = 10 V, f = 1 MHz 5.307 6.128 pF

VR = 17 V, f = 1 MHz 2.909 3.411 pF

C

D(2V)(10V)(17V)(25V)

CD = 9 pF, f = 470 MHz 0.45 Ω

5°

0.30 to 0.05

− 0.1

1.1

5°

*( ): WL type

Mini Type Package (2-pin)

6.22 

1.70 1.96 

2%

+ 0.1

− 0.03 0.55 ± 0.1

0.16

1 : Anode 2 : Cathode

1

MA3X339

Variable Capacitance Diodes

100

CD  V

50

) pF

30

(

D

20

10

5

3

Diode capacitance C

2

1

0 8 16 24 324 1220283640

R

f = 1 MHz T

Reverse voltage VR (V

IR  T

a

VR = 30 V

) nA

(

100

10

R

1

= 25°C

a

)

IF  V

120

100

F

)

mA (

80

F

60

40

Ta = 60°C

25°C

Forward current I

20

0

0 0.2 0.4 0.6 0.8 1.0 1.2

Forward voltage VF (V

− 40°C

)

1.03

CD  T

1.02

1.01

)

)

a

T (

1.00

= 25°C

D

a

C

T (

D

C

0.99

0.98

0.97 0 20 40 60 80 100

Ambient temperature Ta (°C

a

f = 1 MHz

VR = 2 V

10 V

17 V

25 V

)

0.1

Reverse current I

0.01 0 40 80 120 160 200

Ambient temperature Ta (°C

CD rank classification

Primary rank classification

2.143

2.175

4321

14.291

14.505

14.723

14.944

(pF)

15.168

D(2V)

C

15.396

5

5

4

3

2

1

C

2.208

D(25V)

)

(pF)

2.241

2.275

2.309

Note: Tracking guarantee range

(Capacitance deviation 2.0%)

5.334

5.414

5.495

5.577

5.661

5.746

(pF)

5.832

D(10V)

C

5.919

6.008

6.098

Secondary rank classification

(pF)

C

D(17V)

2.924

2.968

3.013

3.058

3.104

3.151

3.198

3.246

10

987654321

9

8

7

6

5

4

3

2

1

3.295

3.344

3.394

2

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