Back to catalogSTC42xFiltersProduct categoryHumidity sensors0Temperature sensors0NOx & VOC sensors0Formaldehyde sensors0CO₂ sensors0Particulate matter sensors0Liquid flow sensors0Differential pressure sensors0Gas flow sensors0Mass flow controllers0Gas metering solutions0Refrigerants sensors0O₂ sensors0ClassEvaluation kit1Sensor1Accessory0Development board0Reference design0Product statusUpcoming1New1Active0Not recommended for new designs0Last time buy0End of life0InterfaceI²C2Sensibus0PWM0SDM0UART0RS2320RS4850Switch0Device net0IO link0ModBus0Analog voltage0Analog current0Show archived productsSimplify product viewUpcomingCompare STC42AAutomotive H₂ sensor for thermal runaway detectionSensorNewCompare SEK-STC42AEvaluation kit for H₂ sensor STC42AEvaluation kit