TGS3870-B00 Gas Sensor for the detection of both Methane and Carbon Monoxide

TGS3870-B00 Gas Sensor for the detection of both Methane and Carbon Monoxide

Features:
* Miniature size and low power consumption
* High sensitivity and selectivity to both methane and carbon monoxide (CO)
* Low sensitivity to alcohol vapor
* Long life and low cost

Applications:
* Combination methane and carbon monoxide detectors

TGS3870-B00 is a micro-bead type semiconductor gas sensor for the detection of both methane and carbon monoxide. Using a micro-bead gas sensing structure, both methane and carbon monoxide can be detected with a single sensor element by periodic application of two different heater voltages (high and low). Miniaturization of the gas sensing bead results in a heater power consumption of only 38mW (average).

TGS3870-B00 has low sensitivity to alcohol vapors (a typical interference gas in the residential environment) and has high durability, making the sensor ideal for consumer market gas alarms.

Specifications:

• Target gases	Methane, Carbon Monoxide
  Typical detection range	Methane - 500-12500 ppm Carbon monoxide - 50-1000ppm
  Sensing principle	MOS type
  Driving voltages	Heater Voltage:VHH = 0.9V(5sec.) VHL = 0.2V(15sec.) Circuit Voltage:5.0V DC pulse
  Power consumption	120mW VHH = 0.9V DC 11mW VHL = 0.2V DC 38mW average
  Dimensions	φ9.2×13.0mm
  Weight	Approx. 1.1g