3DC09LP Transponder Key Coil 

Transponder Key Coil

Transponder Key Coil

The smallest 3DC with AOI characteristic and similar electrical and mechanical characteristics to our 3DC09LP

  • 3 coils in one component, oriented in the 3 space axes with full functionality.
  • Allows Automatic Optical Inspection.
  • Improved sensitivity for X and Y axes. Q factor improved for Z axis.
  • Suitable for automotive Key Less Entry applications with miniaturized designs.
  • The inductivity in each axis can be customized to achieve customer requirements. 


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


L x,y,z (mH)Q x,y, nomQ z nomF (kHz)SRF x,y (kHz) MinSRF z (kHz) MinDCR x,y (Ω) MaxDCR z (Ω) MaxSensitivity x,y (mVpp/App/m) MinSensitivity z (mVpp/App/m) Min
3DC09LP-0720J 7.20 19 21 125 300 900 220 75 75 40

3D 2D

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