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你们好，TLV1117LV12DCYT,和TLV1117LV12DCYR，这两个从参数看是一样的，最后的T和Y是不是只是包装数量的不同？哪个是常用料，而且单价便宜点？求解
你好，
只是外包装不同，都常用，如果采购量大建议选R版本，谢谢。
