As an Amazon Associate, we earn from qualifying purchases. HEF4521BU Semiconductor - CASE: Standard MAKE: Generic Generic . HEF4521BU Attributes Brand name, Manufacturer name, ManufacturerGeneric Attribute00Standard Attribute01Semiconductor Attribute02Philips Attribute0324 Attribute0425M- Attribute0510 Attribute06CMOS Integrated Circuit Attribute07-40 Attribute0885 Attribute0916.7M Attribute10, Attribute11N/A Attribute12YES Attribute131024107 AttributeKey00Case AttributeKey01Type AttributeKey02Manufacturer AttributeKey03No. of Stages AttributeKey04f(oper) Max. (Hz) AttributeKey05Nom. Supp Volt AttributeKey06Tech. AttributeKey07Oper. Temp (?C) Min AttributeKey08Oper. Temp (?C) Max. AttributeKey09Mod Max. AttributeKey10Pinout Equivalence Number AttributeKey11No. of Pins AttributeKey12Surface Mounted Yes/No AttributeKey13SKU keywordsBuy HEF4521BU, HEF4521BU, HEF4521BU Semiconductor moq, multiple1 MPN, SKUHEF4521BU originalCurrency{'currency': 'GBP'} qtyInStock0 snippetHEF4521BU Semiconductor - CASE: Standard MAKE: Generic Distributor offers SellerSKUMOQIn stockMultiplePrices Little DiodeHEF4521BU11