relay driver circuit using two transistor的相關文章
relay driver circuit using two transistor的相關商品
Basic Transistor Circuits - PCB Heaven
瀏覽:821
日期:2025-11-16
2009年2月24日 - Basic transistor relay driver, actuated on HIGH input (NPN) ... The transistor must have an hFE greater than 5 X 75 / 2 => hFE > 187.5. So we choose a ... You should consider using low current loads using this circuit. There is a ......看更多















