本规范涵盖了电气、电子、通信和相关设备中使用的功率型、低值（1欧姆及以下）、固定电阻器（2端子和4端子）的一般要求。包括初始电阻公差为å±1%、å±3%和å±5%的精密电阻器，额定功率在+25摄氏度时为3瓦至5瓦，在+275摄氏度时减额至0功率。

This specification covers the general requirements for power type, low value (1 ohm and below), fixed resistors (2 terminal and 4 terminal) for use in electrical, electronic, communications, and associated equipment. Included are precision resistors of å±1 percent, å±3 percent, and å±5 percent initial resistance tolerances with power ratings ranging from 3 watts to 5 watts at +25 degrees C derated to 0 power at +275 degrees C.