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1. Product profile

1.1 General description

The BB148 is a variable capacitance diode, fabricated in planar technology, and

encapsulated in the SOD323 (SC-76) very small SMD plastic package.

The excellent matching performance is achieved by gliding matching and a Direct

Matching Assembly (DMA) procedure. The diodes are delivered on tape in several

matched groups and are also available unmatched upon request. The unmatched type,

BB158 has the same specification.

1.2 Features

s Excellent linearity

s Excellent matching to 1 % DMA

s Very small SMD plastic package

s Cd(28V): 2.6 pF; Cd(1V) to Cd(28V) ratio: 15

s Low series resistance.

1.3 Applications

s Electronic tuning in VHF television tuners, band B up to 460 MHzs Voltage Controlled Oscillators (VCO).

2. Pinning information

[1] The marking bar indicates the cathode.

BB148VHF variable capacitance diode

Rev. 05 4 October 2004 Product data sheet

Table 1: Pinning

Pin Description Simplified outline [1] Symbol

1 cathode

2 anode 21

sym008

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9397 750 13824 Koninklijke Philips Electronics N.V. 2004. All rights reserved.

Product data sheet Rev. 05 4 October 2004 2 of 7

Philips Semiconductors BB148VHF variable capacitance diode

3. Ordering information

4. Marking

5. Limiting values

6. Characteristics

Table 2: Ordering information

Type number Package

Name Description Version

BB148 SC-76 plastic surface mounted package; 2 leads SOD323

Table 3: Marking

Type number Marking code

BB148 P8

Table 4: Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol Parameter Conditions Min Max Unit

VR reverse voltage - 30 V

IF forward current - 20 mA

Tstg storage temperature 55 +150 C

Tj junction temperature 55 +125 C

Table 5: Characteristics

Tj= 25C unless otherwise specified.

Symbol Parameter Conditions Min Typ Max Unit

IR reverse current see Figure 2

VR = 30 V - - 10 nA

VR = 30 V; Tj = 85 C - - 200 nA

rs diode series

resistance

f = 100 MHz; Cd = 12 pF - - 0.9

Cd diode

capacitance

f = 1 MHz; see Figure 1 and 3

VR = 1 V 36.8 - 41.8 pF

VR = 28 V 2.4 2.6 2.75 pF

capacitance

ratio

f = 1 MHz 14.5 15 -

capacitance

matching

VR = 0.5 V to 28 V; in a

sequence of 10 diodes

(gliding)

- - 2 %

Cd 1V( )

Cd 2 8 V ( )

-------------------

Cd

Cd

----------

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7. Package outline

Fig 4. Package outline SOD323 (SC-76).

REFERENCESOUTLINE

VERSION

EUROPEAN

PROJECTIONISSUE DATE

IEC JEDEC JEITA

SOD323 SC-76

SOD323

99-09-1303-12-17

Note

1. The marking bar indicates the cathode

UNIT A

mm 0.051.10.8

0.400.25

0.250.10

1.81.6

1.351.15

2.72.3

0.450.15

A1max

DIMENSIONS (mm are the original dimensions)

Plastic surface mounted package; 2 leads

0 1

(1)

21

2 mm

scale

bp c D E HD Q

0.250.15

Lp v

0.2

AD

A

E

Lp

bp

detail X

A1

c

Q

HD v AM

X

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8. Revision history

Table 6: Revision history

Document ID Release date Data sheet status Change notice Doc. number Supersedes

BB148_5 20041004 Product data sheet - 9397 750 13824 BB148_4

Modifications: The format of this data sheet has been redesigned to comply with the new presentation andinformation standard of Philips Semiconductors

Table 5 Characteristics: Cd/Cd conditions changed from sequence of 20 diodes to sequenceof 10 diodes

Table 5 Characteristics: Cd/Cd in a sequence of 4 diodes removed Table 5 Characteristics: added typical value of 2.6 pF for Cd(28V) Table 5 Characteristics: added typical value of 15 for Cd(1V) to Cd(28V) ratio.

BB148_4 20040301 Product specification - 9397 750 12644 BB148_3

BB148_3 19980915 Product specification - 9397 750 04377 BB148_2

BB148_2 19960503 n.a. - n.a. BB148_1

BB148_1 19941209 n.a. - n.a. -

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Koninklijke Philips Electronics N.V. 2004

All rights are reserved. Reproduct ion in whole or in part is prohibited without the priorwritten consent of the copyright owner. The information presented in this document doesnot form part of anyquotationor contract, is believed to be accurate and reliable and maybe changed without notice. No liab ility will be accepted by the pub lisher for anyconsequence of its use. Publication thereof does not convey nor imply any license underpatent- or other industrial or intellectual property rights.

Date of release: 4 October 2004Document number: 9397 750 13824

Published in The Netherlands


13. Contents

1 Product profile . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1 General description. . . . . . . . . . . . . . . . . . . . . . 1

1.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2 Pinning information. . . . . . . . . . . . . . . . . . . . . . 1

3 Ordering information. . . . . . . . . . . . . . . . . . . . . 2

4 Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

5 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 2

6 Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . 2

7 Package outline . . . . . . . . . . . . . . . . . . . . . . . . . 4

8 Revision history. . . . . . . . . . . . . . . . . . . . . . . . . 5

9 Data sheet status . . . . . . . . . . . . . . . . . . . . . . . . 6

10 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

11 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

12 Contact information . . . . . . . . . . . . . . . . . . . . . 6

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