Discontinued KR640 Model KR640 consist of an Inf ra Red LED and a Phototransistor and Model KR641 type has one piece seamless plastic housing. Add to comparison Add to quotation
Discontinued KR644 Model KR644 consist of an infra Red LED and Photo IC(Digital Output). Add to comparison Add to quotation
Discontinued KR645 Model KR645 consist of an infra Red LED and Photo IC(Digital Output). Add to comparison Add to quotation