As an Amazon Associate, we earn from qualifying purchases. HEF4538BPN - Philips Semiconductor - Integrated Circuits Philips Semiconductor . HEF4538BPN Gallery Attributes Brand name, Manufacturer name, ManufacturerPhilips Semiconductor Extra Product NameHEF4538BPN - Philips Semiconductor - Integrated Circuits moq, multiple1 MPN, SKUHEF4538BPN qtyInStock0 snippetHEF4538BPN In-Stock. Request a quote for the part number# HEF4538BPN. Call 877-240-8595 to order. Same day shipping on in-stock parts. Distributor offers SellerSKUMOQIn stockMultiplePrices 4 Star ElectronicsHEF4538BPN11