470k 1w金属膜电阻 1% 五色环1w 编带装100只

1/4w金属膜 span class=h>电阻 /span>10r 12r 15r 18r 20r 22r 24r

压敏电阻470kd07 7d470k 47v 直径7mm

510k欧560k 620k1%五色环电阻 3w金属膜电阻470k

电磁炉电阻粗铜脚插件直插色环金属膜精密电阻 2w 470k 1% 2w470k图片