MCH heaters for oxygen sensors
An oxygen sensor only works once its zirconia element is hot. A co-fired ceramic heater shortens light-off time and survives the thermal cycling of an exhaust environment.
Built for the exhaust cycle
Sensor heaters see cold starts, repeated thermal shock and continuous vibration. The resistor circuit is sealed inside dense alumina, so it does not oxidise, and the monolithic body has no wire joint to fatigue.
- Fast light-off, reaching operating temperature in seconds
- Rod, tube and ring formats to fit the sensor stack
- Stable cold / hot resistance ratio for predictable control
- High thermal-shock and cycle life
- Electrode metalisation suitable for brazing
Automotive project support
We support structured validation: dimensional and resistance data, thermal cycling records, dielectric and insulation testing, and lot traceability. Tell us what your quality system requires at RFQ stage and we will build it into the plan.
- 12 V nominal and custom rails
- Custom lead length and terminal
- Lot-level test records
- NDA and customer-owned tooling
Specifications
Questions buyers ask
We can provide dimensional reports, resistance data, dielectric / insulation records and validation test results aligned with your APQP plan.
Yes — send a sample or the resistance–temperature and light-off requirements.
Request automotive grade
Share the sensor geometry, light-off target, voltage and validation requirements.