SFA40 Miniature Formaldehyde Sensors

Sensirion SFA40 Miniature Formaldehyde Sensors builds on the market success of its predecessor, the SFA30, offering ultra-high selectivity to formaldehyde and a long lifetime. It features unprecedented low power consumption and top performance, all in a miniature form factor. Engineered in Switzerland, it is designed for easy integration into air purifiers, indoor air quality monitors, and air conditioners. All Sensirion SFA40 sensors feature a digital I2C interface and are calibrated for accuracy.

Results: 2
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Type Sensor Type Measuring Range - Min Measuring Range - Max Accuracy Output Type Supply Voltage - Min Supply Voltage - Max Minimum Operating Temperature Maximum Operating Temperature Series
Sensirion Air Quality Sensors SFA40 Formaldehyde Sensor for 1 - 2000 ppb formaldehyde concentration measurements with I2C interface and 6 years service life; features onboard Sensirion RHT sensor
1,000Expected 25/11/2026
Min.: 1
Mult.: 1
: 1,000

Miniature Electrochemical Formaldehyde Sensor Formaldehyde (HCHO) 0 PPB 2000 PPB 20 % Digital 1.62 V 3.6 V 0 C + 50 C SFA40
Sensirion Air Quality Sensors SFA40 Formaldehyde Sensor for 1 - 2000 ppb formaldehyde concentration measurements with I2C interface and 6 years service life; features onboard Sensirion RHT sensor
250Expected 19/8/2026
Min.: 1
Mult.: 1
Max.: 250
: 250

Miniature Electrochemical Formaldehyde Sensor Formaldehyde (HCHO) 0 PPB 2000 PPB 20 % Digital 1.62 V 3.6 V 0 C + 50 C SFA40