Panasonic MA2X335 Datasheet

Variable Capacitance Diodes

MA2X335

Silicon epitaxial planar type

For CATV with VHF electronic tuner

■ Features

•

Large capacitance ratio

•

Small series resistance r

•

Mini type package, allowing downsizing of equipment and
automatic insertion through the taping package

■ Absolute Maximum Ratings Ta = 25°C

Parameter Symbol Rating Unit

Reverse voltage (DC) V

Peak reverse voltage

Forward voltage (DC) I

Junction temperature T

Storage temperature T

Note) * : RL = 2.2 kΩ

D

R

*

V

RM

F

j

stg

30 V

34 V

20 mA

150 °C

−55 to +150 °C

INDICATES
CATHODE

12

+ 0.2

− 0.1

1.6

*(3.8 ± 0.2)

5°

0.30 to 0.05

+ 0.2

− 0.1

1.1

5°

Marking Symbol: 6E

Unit : mm

+ 0.2

2.7

− 0.1

3.3 ± 0.2

+ 0.1

− 0.03 0.55 ± 0.1

0.16

*( ): WL type

1 : Anode

Mini Type Package (2-pin)

2 : Cathode

■ Electrical Characteristics Ta = 25°C

Parameter Symbol Conditions Min Typ Max Unit

Reverse current (DC) I

Diode capacitance C

Capacitance ratio

Diode capacitance deviation

Series resistance

*

R

D(2V)

C

D(25V)

C

D(10V)

C

D(17V)

C

D(2V)/CD(25V)

∆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 29.40 36.93 pF

VR = 25 V, f = 1 MHz 2.58 3.19 pF

VR = 10 V, f = 1 MHz 8.50 11.57 pF

VR = 17 V, f = 1 MHz 3.44 4.68 pF

C

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

CD = 9 pF, f = 470 MHz 0.7 0.98 Ω

10 

2.5 %

1

MA2X335

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

= 25°C

a

Reverse voltage VR (V

IR  T

a

VR = 30 V

)
nA

(

100

10

R

1

CD  T

a

f = 1 MHz

VR = 2 V

10 V
17 V
25 V

)

mA
(

F

120

100

IF  V

F

80

60

40

Ta = 60°C

25°C

− 40°C

1.03

1.02

1.01

)

)

a

T
(

1.00

= 25°C

D

a

C

T
(

D

C

0.99

Forward current I

20

0

)

0 0.2 0.4 0.6 0.8 1.0 1.2

Forward voltage VF (V

)

0.98

0.97
0 20 40 60 80 100

Ambient temperature Ta (°C

)

0.1

Reverse current I

0.01
0 40 80 120 16020 60 100 140

Ambient temperature Ta (°C

CD rank classification

Primary rank classification

2.60

2.65

2.70

987654321

10

29.55
11

30.14
10

30.74

9

31.35

8

31.98

7

32.62

6

33.27

5

33.94

(pF)

4

34.62

D(2V)

3

C

35.31

2

36.02

1

36.74

2.75

2.81

2.87

C

)

D(25V)

2.93

(pF)

2.99

3.05

3.11

3.17

8.55

8.72

8.89

9.07

9.25

9.44

9.63

(pF)

9.82

10.02

D(10V)

C

10.22

10.42

10.63

10.84

11.06

11.28

11.51

Secondary rank classification

C

(pF)

D(17V)

3.46

3.53

3.60

3.67

3.74

3.81

3.89

3.97

4.05

15

1413121110987654321
15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

4.13

4.21

4.29

4.38

4.47

4.56

4.65

2