型号：
FR-A520-0.75K
FR-A520-1.5K
FR-A520-2.2K
FR-A520-3.7K
FR-A520-5.5K
FR-A520-7.5K
FR-A520-11K
FR-A520-15K
FR-A520-18.5K
FR-A520-22K
FR-A520-30K
FR-A520-37K
FR-E540-0.4K-CH
FR-E540-0.75K-CH
FR-S540-1.5K-CH
FR-S540-2.2K-CH
FR-S540-3.7K-CH
FR-S540-0.4K-CHR
FR-S540-0.75K-CHR
FR-S540-1.5K-CHR
FR-S540-2.2K-CHR
FR-S540-3.7K-CHR
