SS50AT Series sensors are low-cost, bipolar, Hall-effectsensors. These sensitive magnetic sensors offer reverse polarity protectionand deliver stable output over a -40 °C to 125 °C [-40 °F to 257 °F]temperature range. Operation from any dc supply voltage from 4.5 Vdc to24.0 Vdc is acceptable.
ST420为四光束超小型直射取样式光电传感器,它由四组高输出的红外光电二极管与高灵敏度光敏晶体管组成,其特点为:光束小,性能可靠,主要应用于旋转编码。