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KGEA-BFCWX

KGEA-BFCWX

Product catalog summary
Overview: The KGEA-BFCWX emitter antenna is designed for automotive applications, specifically for hands-free access and remote keyless systems. It is integrated into the vehicle's Access and Start Hand Free subsystem.
Specifications:
  • Dimensions: 103x20x9 mm
  • Inductance Range: 33 µH – 500 µH
  • Frequency: 20kHz, 125kHz, and 134kHz
  • Temperature Stability: -40ºC to +85ºC
  • Average Current: 2-4App
Features:
  • Plastic housing base made from PBT, PA-66, or ABS for durability in extreme conditions.
  • Optional sealed or unsealed connectors for customization.
  • Long emitting-reading distances in a compact design.
  • Strong anchor points for easy assembly and mechanical robustness.
  • Customizable LCR values upon request.
Electrical Specifications:
  • KGEA-BFCWX-B-0108J: L = 0.108 mH, Cres = 15 nF, Q > 90, SRF > 3 MHz, Freq. = 125 kHz
  • KGEA-BFCWX-B-0345J: L = 0.345 mH, Cres = 4.7 nF, Q > 115, SRF > 3 MHz, Freq. = 125 kHz
  • KGEA-BFCWX-B-0500J: L = 0.500 mH, Cres = 3.3 nF, Q > 115, SRF > 3 MHz, Freq. = 125 kHz
  • KGEA-BFCWX-C-0207J: L = 0.207 mH, Cres = 6.8 nF, Q > 100, SRF > 3 MHz, Freq. = 134.2 kHz
  • KGEA-BFCWX-C-0426J: L = 0.426 mH, Cres = 3.3 nF, Q > 100, SRF > 3 MHz, Freq. = 134.2 kHz
Recommendations: For specific inductance values or tighter tolerances, contact the sales department for customization options.
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Catalog excerpts

KGEA-BFCWX-1

Emitter Antenna housing plastic base-potted and outside connector unsealed & sealed._ The antenna KGEA-BFCWX is designed for emission of a LF field to allow hands free access towards the Customer Device Identification for automotive application. This type antenna is inserted in the vehicle being integrated into the Access and Start Hand Free subsystem for requirements Passive Entry and Remote keyless Go System. Housing plastic base (materials PBT, PA-66 or ABS) assuring extreme conditions of humidity, liquids, substance and extreme environments. The antenna concept is similar to KGEA-BFCR series, but smaller in size. The connector (sealed and unsealed) is optional and it can be customized to required features. Designed to allow long emitting-reading distances in the smallest volume. - Ideally used in keyless smart entry system - Low tolerances in the resonance frequency LC - High stability in temperature (-40°C up to +85°C). - Connector located outside assembly housing plastic base (Optional). - Long reading distances and average current 2-4App. -Stronganchor points which providean easy assembly and will ensure mechanical robustness. - Custom LCR value under demand. Electrical diagram Mechanical dimensions L: Ferrite core coil inductance R: Copper resistance and connection C: Tunning internal capacitor NPO Rdc: Optional parallel resistor Nomenclature description Working freq.: Electrical specifications The specification chart is a reference gui- de for the most common required values ce value at LF or tighter tolerances can be provided. Please contact our sales de-

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.