[AK9730AJF21] AK9730AJF21IR Sensor for NDIR Gas Sensing1. General Description The AK9730AJF21 is a small mid-infrared quantum photo diode made of AlInSb. It can work at room temperature by AKM unique compound semiconductor technology, which realizes the high sensitivity, high speed response, and high reliability. This sensor is optimized to NDIR flammable gas sensing application. 2. Features High Sensitivity Signal-to-noise ratio is three times higher than conventional thermopiles. High Speed Response (~100kHz) High Reliability No bias voltage needed Built in an Optical Band Pass Filter (CWL: 3.32μm) 3mm x 3mm small surface mount type plastic package 3. Applications NDIR gas sensor CH4, R32 etc. 018015023-E-00 2019/3 - 1 -