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PDF BB178LX Data sheet ( Hoja de datos )
| Número de pieza | BB178LX | |
| Descripción | VHF variable capacitance diode | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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BB178LX
VHF variable capacitance diode
Rev. 02 — 12 February 2009
Product data sheet
1. Product profile
1.1 General description
The BB178LX is a planar technology variable capacitance diode in a SOD882T ultra small
leadless plastic SMD package. The excellent matching performance is achieved by gliding
matching and a Direct Matching Assembly (DMA) procedure.
1.2 Features
I Excellent linearity
I Excellent matching to 2 % DMA
I Ultra small leadless SMD package
I Cd(28V): 2.6 pF; Cd(1V) to Cd(28V) ratio typical 15
I Low series resistance
1.3 Applications
I Voltage Controlled Oscillators (VCO)
I Electronic tuning in VHF television tuners, Band B up to 460 MHz
2. Pinning information
Table 1.
Pin
1
2
Pinning
Description
cathode
anode
[1] The marking bar indicates the cathode.
3. Ordering information
Simplified outline Graphic symbol
[1]
12
Transparent
top view
sym008
Table 2. Ordering information
Type number Package
Name
Description
BB178LX
-
leadless ultra small plastic package; 2 terminals;
body 1 × 0.6 × 0.4 mm
Version
SOD882T
1 page  
NXP Semiconductors
BB178LX
VHF variable capacitance diode
8. Abbreviations
Table 6. Abbreviations
Acronym
Description
SMD
Surface Mounted Device
VHF
Very High Frequency
9. Revision history
Table 7. Revision history
Document ID
Release date Data sheet status
Change notice Supersedes
BB178LX_2
Modifications:
BB178LX_1
20090212
Product data sheet
-
BB178LX_1
• The format of this data sheet has been redesigned to comply with the new identity
guidelines of NXP Semiconductors.
• Legal texts have been adapted to the new company name where appropriate.
• Descriptive title: ‘UHF diode’ changed to ‘VHF diode’
• Table 5 “Characteristics”: rs Condition ‘f = 470 MHz’ changed to ‘f = 100 MHz’
20060414
Preliminary data sheet
-
-
BB178LX_2
Product data sheet
Rev. 02 — 12 February 2009
© NXP B.V. 2009. All rights reserved.
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