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1·Product introduction: RX21 series resistor is lacquered wire wound resistor.

产品介绍：RX21型电阻器为被漆型绕线电阻器。

2·This resistor is power wire wound resistor 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。

3·Purpose: wire wound resistor in ceramic casing is used in circuit of automatic control system, frequency conversion control system, power supply, top grade acoustics.

用途：陶瓷绕线电阻主要用于自动化控制系统，变频控制系统，电源设备，高档音响等电路中。

4·The resistor components consist of fully welded wire wound ceramic resistors, which is a well-known and approved technology.

电阻器的元件由全焊接的线绕陶瓷电阻器构成，这是一种众所周知和已定型的技术。

5·On basis of LR circuit transition process analysis, the paper describes measuring method of zero time factor for transformer wire-wound resistor with specific exciting supply.

本文在分析LR电路过渡过程的基础上，讨论了以特定激励源实现变压器绕组电阻零时间常数测量的方法。