Product introduction: RX21 series resistor is lacquered wirewoundresistor.
产品介绍：RX21型电阻器为被漆型绕线电阻器。
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This resistor is power wirewoundresistor which is made by a kind of organic silicon rosin and silicon powder as basic material encapsulation.
电阻器是用一种耐高温的有机硅树脂和硅粉作基本材料封装的功率型绕线电阻。
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Purpose: wirewoundresistor in ceramic casing is used in circuit of automatic control system, frequency conversion control system, power supply, top grade acoustics.