H854R9BYA,RES 54.9 OHM 0.1% 1/4W AXIAL
H854R9BZA,Metal Film Resistors H8 54R9 0.1% 100PPM
【Bourns】H-855,电位计工具及硬件 3362 - TRIMMER DESIGN KIT
H8550VBAAA,
H8550VBABJ,DPST MINIATURE ROCKER SW
H8550VBACA,
【ARCOLECTRIC】H8550VBACAB,
【ARCOLECTRIC】H8550VBBB,SWITCH ROCKER DPST 15A 250V