RedRock® RR122-1B52-511 & RR122-1B53-511 TMR Digital Push-Pull Magnetic Sensor

The RedRock® RR122-1B52-511 & RR122-1B53-511 are digital magnetic sensors ideal for use in medical, industrial, automotive, and consumer applications. They are based on patented Tunneling Magnetoresistance (TMR) technology with seamless CMOS integration.

The RR122-1B52-511 & RR122-1B53-511 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 ultra low power consumption (1.2 μA) for an active magnetic sensor, operating at 250 Hz and high operating temperature range from -40°C up to +125°C.

RedRock® RR122-1B52-511 & RR122-1B53-511 Series Features

  • Operate sensitivity of 30 G
  • Ultra Low Power Consumption < 1.2 μA
  • Wide Supply Voltage range of 1.7V – 5.5V
  • Omnipolar Push-Pull Response
  • Operating Frequency of 250 Hz
  • Temperature Rated up to 125°C
  • RoHS & REACH Compliant


  • Proximity Detection
  • Rotary Sensing
  • Fluid Level Detection
  • Door & Lid Closure Detection
  • Utility Meters
  • Motor Controllers
  • Consumer Electronics

RedRock® RR122-1B52-511 & RR122-1B53-511 SERIES DIMENSION

In Millimeters (Inches)
  • RedRock SOT-23 Package

RedRock® RR122-1B52-511 & RR122-1B53-511 SERIES TECHNICAL INFORMATION