As an Amazon Associate, we earn from qualifying purchases. HEF4021BU Semiconductor - CASE: Standard MAKE: Generic Generic . HEF4021BU Attributes Brand name, Manufacturer name, ManufacturerGeneric Attribute00Standard Attribute01Semiconductor Attribute02Philips Attribute03Static Attribute0430M Attribute058 Attribute06, moq, multiple1 Attribute07Open-Coll. Attribute08500m Attribute09110n Attribute1010 Attribute11CMOS Integrated Circuit Attribute12-40 Attribute1385 Attribute14Parallel Attribute15Serial Attribute16, Attribute17N/A Attribute18YES Attribute191169520 AttributeKey00Case AttributeKey01Type AttributeKey02Manufacturer AttributeKey03Mode Dyn/ Stat AttributeKey04f(oper) Max. (Hz) AttributeKey05Bits Per Reg. AttributeKey06No. of Reg. AttributeKey07Output Config AttributeKey08PD Max. (W) AttributeKey09tPD Max. (S) AttributeKey10Nom. Supp Volt AttributeKey11Tech. AttributeKey12Oper. Temp (?C) Min AttributeKey13Oper. Temp (?C) Max. AttributeKey14Data Inp Mode AttributeKey15Data Outp Mode AttributeKey16Pinout Equivalence Number AttributeKey17No. of Pins AttributeKey18Surface Mounted Yes/No AttributeKey19SKU keywordsBuy HEF4021BU, HEF4021BU, HEF4021BU Semiconductor MPN, SKUHEF4021BU originalCurrency{'currency': 'GBP'} qtyInStock0 snippetHEF4021BU Semiconductor - CASE: Standard MAKE: Generic Distributor offers SellerSKUMOQIn stockMultiplePrices Little DiodeHEF4021BU11