rx21功率型被漆线绕电阻器 8为8W 10欧姆的电阻 .RX21线绕电阻器具有性能温度，耐高温等特性，通常称为RX21绕线电阻,RX21-1W,RX21-2W,RX21-3W,RX21-4W,RX21-5W,RX21-6W,RX21-8W,RX21-9W,RX21-10W,RX21-11W,RX21-12W等型号，常用阻值为0.1R,0.15R,0.2R,0.5R,0.51R,1R,2R,2.2R,5.1R,5.6R,10R,22R,47R,56R,100R,120R,150R,200R,1KR,1.5KR,2.2KR,5KR,10KR。