LTC2641IDD-14TRPBF LTC2641IDD-16 LTC2641IDD-16#PBF LTC2641IDD-16#TRPBF LTC2641IDD-16PBF LTC2641IMS8-12 LTC2641IMS8-12#PBF LTC2641IMS8-12#TRPBF LTC2641IMS8-12TRPBF LTC2641IMS8-14