RedRock® RR132-1B12-551/552 & RR132-1B13-551/552 TMR Digital Open-Drain Magnetic Sensor

The RedRock® RR132-1B12-551/552 and RR132-1B13-551/552 are digital magnetic sensors ideal for use in medical, industrial, automotive, and consumer applications. It is based on patented Tunneling Magnetoresistance (TMR) technology with seamless CMOS integration.

The RR132-1B12-551/552 and RR132-1B13-551/552 feature an operate sensitivity of 30 G (3 mT), with an omnipolar magnetic field response. They offer a wide supply voltage range from 1.7 up to 5.5 V, ideal for applications ranging from small battery-powered electronics to industrial machinery. They have an ultra low power consumption (50nA) – the world’s lowest for an active magnetic sensor, operating at 2 Hz and high operating temperature range from -40°C up to +125°C.

RR132-1B12-551/552 & RR132-1B13-551/552 Series Features

  • Operate sensitivity of 30 G
  • Ultra Low Power Consumption < 50 nA
  • Wide Supply Voltage range of 1.7V – 5.5V
  • Omnipolar Open-Drain Response
  • Operating Frequency of 2 Hz
  • Temperature Rated up to +125°C
  • RoHS & REACH Compliant


  • Proximity Detection
  • Rotary Sensing
  • Fluid Level Detection
  • Door & Lid Closure Detection
  • Utility Meters
  • Portable Medical Devices
  • Motor Controllers
  • Consumer Electronics
  • Wake-Up μProcessor
RedRock TMR 131 Digital Magnetic Switch

RR132-1B12-551/552 & RR132-1B13-551/552 SERIES DIMENSION

In Millimeters (Inches)
  • RedRock SOT 23-3 & LGA-4 Dimensions
RR132-1B12 Charts

RR132-1B12-551/552 & RR132-1B13-551/552 SERIES TECHNICAL INFORMATION