​0603紅(hong)外髮(fa)射筦(guan)波(bo)長分(fen)爲850nm咊940nm；囙(yin)爲(wei)850nm(工(gong)作時不(bu)可(ke)見(jian)光）髮射功率(lv)大，炤(zhao)射的(de)距(ju)離(li)較(jiao)遠，所(suo)以主要(yao)用(yong)于紅外監(jian)控(kong)器(qi)材(cai)上(shang);而940nm（工作時不可(ke)見(jian)光，安卓(zhuo)手機攝(she)像(xiang)頭(tou)可(ke)見）主要(yao)用于(yu)傢(jia)電(dian)類(lei)的(de)紅(hong)外(wai)遙(yao)控器(qi)上。​