The worldwide smallest Thermopile Mini Sensor, comprising a new type CMOS compatible sensor chip plus a thermistor reference chip, features good sensitivity, small temperature coefficient of sensitivity as well as high reproducibility and reliability. The sensor is available in a new transistor outline PACkage smaller than TO18, equipped with an IR transmitting filter window. The sensor can be equipped with customized filter upon request.世界上最有名的红外传感器品牌。亚太最大代理商SAIC供货。质量放心价格好。!!!!!!!!!