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BB187
VHF variable capacitance diode
1. Product profile
1.1 General descriptionThe BB187 is a planar technology variable capacitance diode, in a SOD523 (SC-79) ultra
small plastic SMD package. The excellent matching performance is achieved by gliding
matching and a Direct Matching Assembly (DMA) procedure.
1.2 Features and benefits High linearity Excellent matching to 2 % DMA Ultra small plastic SMD package Cd(25V): 2.75 pF; Cd(2V) to Cd(25V) ratio: minimum 11 Low series resistance.
1.3 Applications Electronic tuning in VHF television tuners Voltage Controlled Oscillators (VCO).
2. Pinning information[1] The marking bar indicates the cathode.
3. Ordering information
BB187
VHF variable capacitance diode
Rev. 5 — 6 September 2011 Product data sheet
Table 1. Pinning
Table 2. Ordering informationBB187 SC-79 plastic surface mounted package; 2 leads SOD523
NXP Semiconductors BB187
VHF variable capacitance diode
4. Marking
5. Limiting values
6. Characteristics
Table 3. MarkingBB187 X
Table 4. Limiting valuesIn accordance with the Absolute Maximum Rating System (IEC 60134). reverse voltage - 32 V
VRM peak reverse voltage in series with a k resistor
-35 V forward current - 20 mA
Tstg storage temperature 55 +150 C junction temperature 55 +125 C
Table 5. CharacteristicsTj = 25 C unless otherwise specified. reverse current see Figure2 -- =30V - - 10 nA =30V; Tj =85C - - 200 nA diode series
resistance= 470 MHz; VR = 5 V - - 0.75 diode
capacitance=1 MHz; see Figure1
and Figure3=2V 29.3 - 34.2 pF=25V 2.57 2.75 2.92 pF
capacitance ratiof=1 MHz 11 - -
capacitance
matching=2 V to25 V; in a
sequence of 10 diodes
(gliding) 2 %
NXP Semiconductors BB187
VHF variable capacitance diode
NXP Semiconductors BB187
VHF variable capacitance diode
7. Package outline
Fig 4. Package outline SOD523 (SC-79).
NXP Semiconductors BB187
VHF variable capacitance diode
8. Revision history Table 6. Revision historyBB187 v.5 20110906 Product data sheet - BB187 v.4
Modifications:
• 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.
Package outline drawings have been updated to the latest version.
BB187 v.4
(9397 750 13835)
20041103 Product data sheet - BB187 v.3
BB187 v.3
(9397 750 09385)
20020220 Product specification - BB187 v.2
BB187 v.2
(9397 750 06459)
19991019 Product specification - BB187 v.1
BB187 v.1
(9397 750 06307)
19990915 Preliminary specification - -
NXP Semiconductors BB187
VHF variable capacitance diode
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Objective [short] data sheet Development This document contains data from the objective specification for product development.
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