Crocus Technology CT426 ExtremeSense® TMR Sensors

Crocus Technology CT426 ExtremeSense® TMR Sensors offer a 3V to 3.6V supply voltage range, up to 30A current rating, and 1MHz bandwidth. These are high bandwidth and ultra-low noise integrated contact current sensors that use XtremeSense TMR technology that enables high accuracy current measurements for various applications. CT426 sensors support four current ranges where the integrated current-carrying conductor (CCC) handles up to 30A of current and generates a current measurement as a linear analog output voltage. Crocus Technology CT426 ExtremeSense TMR Sensors are ideal for solar inverters, enterprise electronics, and battery management systems.


  • Solar/Power inverters
  • UPS, SMPS, and telecom power supplies
  • Battery management systems
  • Motor control
  • White goods
  • Consumer and enterprise electronics
  • Overcurrent fault protection


  • Current Range
    • 0A to 20A
    • -20A to 20A
    • 0A to 30A
    • -30A to 30A
  • Integrated CCC
  • Linear analog output voltage
  • ≤±1.0% FS total error output
  • 1MHz bandwidth
  • 0.30µs response time
  • 3V to 3.6V supply voltage range
  • 10mARMS to 12mARMS at fBW = 100kHz
  • Filter function to reduce noise on output pin
  • <5mA/mT immunity to common-mode fields
  • 8-lead SOIC package
Published: 2021-10-18 | Updated: 2022-09-16