BB644E7904HTSA1

P1-P3 P4-P6 P7-P8

2007-04-20

1

BB644/BB664...

Silicon Variable Capacitance Diodes

• For VHF TV-tuners

• High capacitance ratio

• Low series inductance

• Low series resistance

• Excellent uniformity and matching due to

"in-line" matching assembly procedure

• Pb-free (RoHS compliant) package

1)

• Qualified according AEC Q101

BB644

BB664/-02V



Type Package Configuration L

S

(nH) Marking

BB644

BB664

BB664-02V

SOD323

SCD80

SC79

single

single

single

1.8

0.6

0.6

yellow 4

44

4

Maximum Ratings at T

A

= 25°C, unless otherwise specified

Parameter

Symbol Value Unit

Diode reverse voltage V

R

30 V

Peak reverse voltage

R ≥ 5kΩ

V

RM

35

Forward current I

F

20 mA

Operating temperature range T

op

-55 ... 150

°C

Storage temperature T

stg

-55 ... 150

1

Pb-containing package may be available upon special request

2007-04-20

2

BB644/BB664...

Electrical Characteristics at T

A

= 25°C, unless otherwise specified

Parameter

Symbol Values Unit

min. typ. max.

DC Characteristics

Reverse current

V

R

= 30 V

V

R

= 30 V, T

A

= 85 °C

I

R

-

-

-

-

10

100

nA

AC Characteristics

Diode capacitance

V

R

= 1 V, f = 1 MHz

V

R

= 2 V, f = 1 MHz

V

R

= 25 V, f = 1 MHz

V

R

= 28 V, f = 1 MHz

C

T

39

29.4

2.5

2.4

41.8

31.85

2.7

2.55

44.5

34.2

2.85

2.75

pF

Capacitance ratio

V

R

= 1 V, V

R

= 28 V, f = 1 MHz

C

T1

/C

T28

15 16.4 17.8

Capacitance ratio

V

R

= 2 V, V

R

= 25 V, f = 1 MHz

C

T2

/C

T25

11 11.8 12.6

Capacitance matching

1)

V

R

= 1 ... 28 V, f = 1 MHz, 7 diodes sequence

∆C

T

/C

T

- - 2 %

Series resistance

V

R

= 5 V, f = 470 MHz

r

S

- 0.6 0.75 Ω

1

For details please refer to Application Note 047.

2007-04-20

3

BB644/BB664...

Diode capacitance C

T

= ƒ (V

R

)

f = 1MHz

0 5 10 15 20 25

V

35

V

R

0

5

10

15

20

25

30

35

40

45

50

55

60

pF

70

C

T

Temperature coefficient of the diode

capacitance

T

Cc

= ƒ (V

R

)

10

0

10

1

10

2

V

V

R

-5

10

-4

10

-3

10

1/°C

TC

C

Reverse current I

R

= ƒ(V

R

)

T

A

= Parameter

0 4 8 12 16 20 24

V

30

V

R

-11

10

-10

10

-9

10

A

I

R

25°C

85°C

P1-P3 P4-P6 P7-P8

BB644E7904HTSA1

Mfr. #:

Buy BB644E7904HTSA1

Manufacturer:

Infineon Technologies

Description:

DIODE VAR CAP 30V 20MA SOD-323

Lifecycle:

New from this manufacturer.

Delivery:

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