bb809

DATA SHEET

Product specificationSupersedes data of April 1992File under Discrete Semiconductors, SC01

1996 May 03

DISCRETE SEMICONDUCTORS

BB809VHF variable capacitance diode

alfpage

M3D050

1996 May 03 2

Philips Semiconductors Product specification

VHF variable capacitance diode BB809

FEATURES

• High linearity

• Matched to 3%

• Hermetically sealed leaded glassSOD68 (DO-34) package

• C28: 4.7 pF; ratio: 9

• Low series resistance.

APPLICATIONS

• Electronic tuning in VHF televisiontuners, band A up to 160 MHz

• VCO.

DESCRIPTION

The BB809 is a variable capacitancediode, fabricated in planartechnology, and encapsulated in thehermetically sealed leaded glassSOD68 (DO-34) package.

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

SYMBOL PARAMETER MIN. MAX. UNIT

VR continuous reverse voltage − 30 V

IF continuous forward current − 20 mA

Tstg storage temperature −55 +150 °C

Tj operating junction temperature −55 +100 °C

Fig.1 Simplified outline (SOD68; DO-34) and symbol.

handbook, halfpage

MAM159

k a

Cathode side indicated by a yellow band on a black body.

ELECTRICAL CHARACTERISTICSTj = 25 °C; unless otherwise specified.

Note

1. VR is the value at which Cd = 25 pF.

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

IR reverse current VR = 28 V; see Fig.3 − − 10 nA

VR = 28 V; Tj = 85 °C; see Fig.3 − − 200 nA

rs diode series resistance f = 200 MHz; note 1 − − 0.6 ΩCd diode capacitance VR = 1 V; f = 1 MHz; see Figs 2 and 4 39 − 46 pF

VR = 28 V; f = 1 MHz; see Figs 2 and 4 4 − 5 pF

capacitance ratio f = 1 MHz 8 − 10

capacitance matching VR = 0.5 to 28 V − − 3 %

Cd 1V( )Cd 28V( )--------------------

Cd∆Cd

----------

1996 May 03 3



GRAPHICAL DATA

Fig.2 Diode capacitance as a function of reverse voltage; typical values.

f = 1 MHz; Tj = 25 °C.

handbook, full pagewidth

0

50MBE610 - 1

10210110 −1

10

20

30

40

Cd(pF)

VR (V)

Fig.3 Reverse current as a function of junctiontemperature; maximum values.

handbook, halfpage

100010

MLC816

102

103

50

IR(nA)

T ( C)jo

Fig.4 Temperature coefficient of diodecapacitance as a function ofreverse voltage; typical values.

Tj = 0 to 85 °C.

handbook, halfpage

MLC815

1 10 102

10 3

10 4

10 5

10 1

(K−1)

V (V)R

dTC

1996 May 03 4



PACKAGE OUTLINE

DEFINITIONS

LIFE SUPPORT APPLICATIONS

These products are not designed for use in life support appliances, devices, or systems where malfunction of theseproducts can reasonably be expected to result in personal injury. Philips customers using or selling these products foruse in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from suchimproper use or sale.

Data sheet status

Objective specification This data sheet contains target or goal specifications for product development.

Preliminary specification This data sheet contains preliminary data; supplementary data may be published later.

Product specification This data sheet contains final product specifications.

Limiting values

Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one ormore of the limiting values may cause permanent damage to the device. These are stress ratings only and operationof the device at these or at any other conditions above those given in the Characteristics sections of the specificationis not implied. Exposure to limiting values for extended periods may affect device reliability.

Application information

Where application information is given, it is advisory and does not form part of the specification.

Dimensions in mm.

Fig.5 SOD68 (DO-34).

handbook, full pagewidth

1.6max 25.4 min 25.4 min

3.04max

0.55max

MSA212 - 1

This datasheet has been download from:

www.datasheetcatalog.com

Datasheets for electronics components.

http://www.datasheetcatalog.com



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