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IC Model:OPA640H Associated Model: OPA637AU  OPA637PA  OPA641H  OPA642AU 
Model Quantity company Contact Manufacturers Batches Packaging Pricing
OPA640H 550  Song Feng Electronic Shenzhen Tel:0755-82539925 BURR-BROWN       
OPA640H 550  Hua Lian international Hong Kong Co., Ltd. Tel:0755-82886766 BURR-BROWN       
OPA640H 5000  Beijing 30 jin revitalize auspicious trade and business Co., Ltd. Tel:010-51299473 BURR-BROWN  06+     
OPA640H 6000  Electronic Science Technologies Co., Ltd. of promise Tyke of Beijing Tel:010-51665702 BURR-BROWN  06+