1.源电容器 初级线路的杂音抑制部件,用得最多的是电源电容器。在点火线圈正极接入0.5μF(微法拉)的金属壳型电容器,就有抑制作用。但由于最近的大型点火线圈(φ62)需使用高能量宽间隙的火花塞,故多数使用0.5μF的穿心电源电容器。这时,电容器不得在点火线圈附近接地,而要以引线经分电器外壳接地。这样,由于电容器体直接接地,就起了屏蔽罩的作 1. Source capacitor primary line noise suppression components, the most used is the power capacitor. In the ignition coil positive access 0.5μF (micro-Farah) metal-shell capacitors, there is inhibition. However, most large-size ignition coils (φ62) require high-energy wide-gap spark plugs, so most of them use a 0.5μF feedthrough capacitor. In this case, the capacitor must not be grounded near the ignition coil, but should be grounded via the distributor housing. In this way, as the capacitor body is directly grounded, it acts as a shield