3DC11F 3DC11F SMD 3D Coil 13x11.6x4.35 mm (2.38mH - 7.2mH) Low profile 

3DC11F SMD 3D Coil 13x11.6x4.35 mm (2.38mH - 7.2mH) Low profile

Small 3D coil version designed to achieve a very good electrical performance in the smallest dimensions.

 

Keyless entry systems is a typical application for this coil, the isotropy is often sought in RF antenna. In transponder applications,this feature has been achieved by thecombination of 3 single coils oriented in the 3 space axis with the aim of covering the maximum space orientation. This small size 3D coil offers the possibility of assembly in single component 3 coils with full functionality, thus reducing cost, saving PCB space and increasing the circuit reliability.

 

  • Smallest size 13x11.6x4.45 mm.
  • With foam label
  • Very good electrical performance.
  • High stability in temperature (-40 ºC to +125 ºC).
  • The inductivity in each axis can be customized to achieve customer requirements.
  • Designs at lower frequencies like 20 kHz and 40 kHz show a very good electrical performance as well.
  • High sensitivity values. 

 

Applications:  

  • Automotive Passive keyless entry systems.
  • Automotive RTPMS with wake up functions.
  • Industrial logistics and control.
  • Access control.
  • Tracking devices.

   

The specification chart is a reference guide for the most common required values at working frequencies of 125 kHz. Any other inductance value at LF or tighter tolerances can be provided. Please contact our sales deparment for any inquiry.

 

This product has a datasheet available upon request.

L x,y,z (mH)Q x,y,z MinFrequency (kHz)Cres (pF)SRF x,y (kHz) MinSRF z (kHz) MinDCR x,y (Ω) MaxDCR z (Ω) MaxSensitivity x,y,z (mVpp/App/m) MinLength (mm)Width (mm)Height (mm)
3DC11F-0238J 2.38 18 125 680 450 900 60,5 82,5 40 13.0 11.6 4.45
3DC11F-0491J 4.91 18 125 330 300 600 100 160 70 13.0 11.6 4.45
3DC11F-0720J 7.20 15 125 225 250 500 165 209 85 13.0 11.6 4.45

All dimensions in mm.

3D 2D
3DC11F

  1. Rated Inductance LR: Measured at frequency fL, with impedance analyser WK3260 with 3MHz installed.
  2. Q Factor Qmin: Measured at frequency fL, with impedance analyser WK3260 with 3MHz installed.
  3. Self-resonance frequency fmin Measured at frequency fL, with impedance analyser WK3260 with 3MHz installed.
  4. DC resistance Rmax: Measured at 20ºC ambient temperature, measuring current <IR.
  5. Sensitivity: Measured with Helmholtz coils 5 turns, 160mm ∅, + waveform generator Agilent 33120A + oscilloscope Agilent 54622A. Contact PREMO RFID for complete measurement specification.

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