RedRock magnetic sensors and switches

Ultra-miniature TMR magnetic sensors and switches

The high-performance RedRock™ series from Coto are TMR magnetic sensors and switches in a standard SOT-23 package. Featuring an incredibly tiny footprint, high sensitivity and low power consumption, this robust product line will fit perfectly into any design where space and power are critical.

The RedRock™ is available as analog sensor (RR110), digital sensor (RR120), and digital switch (RR130). 

RR110 Analog magnetic sensor

  • High sensitivity
  • Stable Temperature performance
  • Resistance changes linearly with magnet distance
  • Resistant to mechanical stress


RR120 Digital magnetic sensor

  • High sensitivity
  • Low power consumption
  • High frequency
  • Logic output for design flexibility


RR130 Digital magnetic switch

  • High sensitivity
  • Low power consumption
  • High frequency
  • Open drain MOSFET for design flexibility

  • Battery-operated portable devices
  • Medical devices (including ingestibles and implantables)
  • Wearables
  • High precision fluid level sensing
  • Security and anti-tampering applications
  • Position sensing
  • Electric and gas meters 

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