Selection Guide
125kHz LF Antenna Selection Guide
System-level view on how to select 125kHz LF antennas for automotive and industrial applications.
Clarify the use case: PKE/PEPS, TPMS, body antennas and industrial readers all have different field patterns.
Choose between 3D and single-axis coils: use 3D coils like 3DC11LP for unknown orientation, single-axis like SDTR1103 when direction is fixed.
Evaluate Q-factor and matching network with real metal environment, and leave margin for lab tuning.
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Next steps
- Check our live stock for the models above.
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