Digikey.com产品数据，370万条：’brand’, ‘part_number’, ‘distributor’, ‘sku’, ‘stock’, ‘price’, ‘minprice’, ‘maxprice’, ‘minqty’, ‘multqty’, ‘description’, ‘datasheet’, ‘packaging’, ‘rohs’, ‘lead_free’, ‘package_case’, ‘status’, ‘mounting_type’, ‘attributes’, ‘category1′, ‘category2′, ‘category3′, ‘category4′, ‘category5′, ‘category6′, ‘url’