LRC-LR2512LF-01-R270-G LRC-LR2512LF-01-R270-J LRC-LR2512LF-01-R287-F LRC-LR2512LF-01-R300F LRC-LR2512LF-01-R300-F LRC-LR2512LF-01-R300-G LRC-LR2512LF-01-R300-J LRC-LR2512LF-01-R301F LRC-LR2512LF-01-R301-F LRC-LR2512LF-01-R301-F 贴片电阻