NEOHM - TE CONNECTIVITY
通孔电阻器, 21 ohm, 500 V, 轴向引线, 250 mW, ± 0.1%, R系列
VISHAY
金属薄膜电阻, 21欧姆 1% 0.4W
通孔电阻器, MRS 25系列, 21 ohm, 600 mW, ± 1%, 350 V, 轴向引线