VAR-18030053M3P-K VAR-18042030Y3P-FK VAR-18042032Y3P-K VAR-18042053M3P-K VAR-18042053M3P-K 贴片电感 VAR-18042053M3S-CK VAR-18042077M3P-K VAR-18042077M3P-XK VAR-18042077M3S-K VAR-18042077M3S-XK