BB844

Silicon Variable Capacitance Diode

ParametricBB844
Budgetary Price €€/1k0.07
ConfigurationSingle
IF  max50.0mA
CT143.75pF
CT211.7pF
CT / C T3.8 (2/8V)
RS0.28Ω
PackageSOT23
MountingSMT
Sales Product NameBB844
OPN
Product Statusactive and preferred
Package NamePG-SOT23-3
Completely lead freeno
Halogen freeyes
RoHS compliantyes
Packing Size3000
Packing TypeTAPE & REEL
Moisture Level
OPNBB844E6327HTSA1
Product Statusactive and preferred
Package NamePG-SOT23-3
Completely lead freeyes
Halogen freeno
RoHS compliantyes
Packing Size3000
Packing TypeTAPE & REEL
Moisture Level1
Summary of Features:
  • For FM radio tuner with extended frequency band 77MHz to 108MHz
  • Designed for application requiring back-to-back diode configuration for optimum signal distortion and detuning
  • High tuning ratio at low supply voltage (car radio)
  • Monolitic chip (common cathode) for perfect dual diode tracking
  • Good C- V linearity
  • High figure of merit
  • Pb-free (RoHS compliant) package
Target Applications:
  • Radio
Data Sheet
TitleSizeDateVersion
BB844,EN797 KB20 Jun 201101_01
Application Notes
TitleSizeDateVersion
AN022 - Simple Microstrip Matching for all Impedances507 KB10 May 2011
AN047 - Matching Methods for Variable Capacitance Diodes684 KB08 Dec 2009
Material Content SheetInfo
TitleSizeDateVersion
MCDS_2013-08-29_10-28-57_MA000387207_PG-SOT23-3-3.pdf19 KB31 Oct 201301_00
PCB Design Data
TitleSizeDateVersion
PCB Footprints & Symbols - FM Tuner - Altium - v1.03.8 MB22 Oct 201301_00
PCB Footprints & Symbols - FM Tuner - Cadence - v1.063 KB22 Oct 201301_00
PCB Footprints & Symbols - FM Tuner - Eagle - v1.016 KB22 Oct 201301_00
PCB Footprints & Symbols - BB844 - FM Tuner - MWO – v2.0.zipEN246 KB22 May 201502_00
Package Data
TitleSizeDateVersion
PG-SOT23-3-3 | BB844E6327HTSA1EN432 KB11 Apr 201601_00
PCB Design Data
TitleSizeDateVersion
PCB Footprints & Symbols - FM Tuner - Altium - v1.03.8 MB22 Oct 201301_00
PCB Footprints & Symbols - FM Tuner - Cadence - v1.063 KB22 Oct 201301_00
PCB Footprints & Symbols - FM Tuner - Eagle - v1.016 KB22 Oct 201301_00
PCB Footprints & Symbols - BB844 - FM Tuner - MWO – v2.0.zipEN246 KB22 May 201502_00
EN BB844
AN047 - Matching Methods for Variable Capacitance Diodes BB640
AN022 - Simple Microstrip Matching for all Impedances BGA925L6
MCDS_2013-08-29_10-28-57_MA000387207_PG-SOT23-3-3.pdf BB844
EN BB844
PCB Footprints & Symbols - FM Tuner - Altium - v1.0 BB914
PCB Footprints & Symbols - FM Tuner - Cadence - v1.0 BB914
PCB Footprints & Symbols - FM Tuner - Eagle - v1.0 BB914
EN BB844