1999 Jun 10

2

Philips Semiconductors

Product specification

VHF variable capacitance diode

BB158

FEATURES

• Excellent linearity

• Very small plastic SMD package

• C28: 2.6 pF; ratio: 15

• Low series resistance.

APPLICATIONS

• Electronic tuning in VHF television

tuners, band B up to 460 MHz

• VCO.

DESCRIPTION

The BB158 is variable capacitance

diode, fabricated in planar

technology, and encapsulated in the

SOD323 very small plastic SMD

package.

The matched type, BB148 has the

same specification.

LIMITING VALUES

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

SYMBOL

PARAMETER

MIN.

MAX.

UNIT

continuous reverse voltage

−

30

V

continuous forward current

−

20

mA

storage temperature

−55

+150

°C

operating junction temperature

−55

+125

°C

Fig.1 Simplified outline (SOD323) and symbol.

Marking code: PH.

Cathode side indicated by a bar.

handbook, 4 columns

ka

MAM130

ELECTRICAL CHARACTERISTICS

Note

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

reverse current

−−

10

nA

−−

200

nA

diode series resistance

f = 100 MHz; note 1

−−

0.9

Ω

diode capacitance

36.8

−

41.8

pF

2.4

−

2.75

pF

capacitance ratio

f = 1 MHz

14.5

−−

C

d1V

()

C

d28V

()

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