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MELF-MFR02041/4WS2.21KΩFT50原装正品电阻器/2.21kΩ ±
CR2512F2K21E04Z原装正品电阻器/2.21kΩ ±1% 1W
RTT252211FTE原装正品电阻器/2.21kΩ ±1% 1W