LESHAN RADIO COMPANY, LTD.

BB145–1/2

Low-voltage variable capacitance diode

SOD523 SC-79

1

2

BB 145

2

ANODE

1

CATHODE

FEATURES

· Ultra small plastic SMD package

· C4: 3 pF; ratio: 2.1

· Low series resistance.

APPLICATIONS

· Voltage controlled oscillators (VCO).

DESCRIPTION

The BB145 is a planar technology variable capacitance diode in a SOD523 (SC-79)

package.

LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134).

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

continuous reverse voltage

–

6

V

peak reverse voltage

in series with a 10 k

Ω resistor

–

8

V

continuous forward current

–

20

mA

storage temperature

–55

+150

°C

operating junction temperature

–55

+150

°C

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

reverse current

–

–

10

nA

–

–

200

nA

diode series resistance

–

–

0.6

Ω

diode capacitance

6.4

–

7.4

pF

see Figs 1 and 3

2.75

–

3.25

pF

see Figs 1 and 3

capacitance ratio

f = 1 MHz

2

–

–

MARKING CODE:U

1

2