Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number BC557 with rapid responses always offered by our staff. To ensure that you locate and procure exactly what you need with ease, we list parts with as much information as we can. For example, part number BC557 It is listed as Transistor. component manufactured by British Sarozal Ltd, specifically under CAGE Code K0577. It is also accompanied by the NSN 5961011381739 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5961 Semiconductor Devices and Associated Hardware.