| BC557 | Fairchild Semiconductor | PNP Epitaxial Silicon Transistor; Package: TO-92; No of Pins: 3; Container: Bulk | |
| BC557_D11Z | Fairchild Semiconductor | PNP Epitaxial Silicon Transistor | |
| BC557_J05Z | Fairchild Semiconductor | PNP Epitaxial Silicon Transistor; Package: TO-92; No of Pins: 3; Container: Bulk | |
| BC557ABU | Fairchild Semiconductor | PNP Epitaxial Silicon Transistor; Package: TO-92; No of Pins: 3; Container: Bulk | |
| BC557ATA | Fairchild Semiconductor | PNP Epitaxial Silicon Transistor; Package: TO-92; No of Pins: 3; Container: Ammo | |
| BC557B | Fairchild Semiconductor | PNP Epitaxial Silicon Transistor; Package: TO-92; No of Pins: 3; Container: Bulk | |
| BC557B_D11Z | Fairchild Semiconductor | PNP Epitaxial Silicon Transistor | |
| BC557B_J18Z | Fairchild Semiconductor | PNP Epitaxial Silicon Transistor | |
| BC557BBU | Fairchild Semiconductor | PNP Epitaxial Silicon Transistor; Package: TO-92; No of Pins: 3; Container: Bulk | |
| BC557BTA | Fairchild Semiconductor | PNP Epitaxial Silicon Transistor; Package: TO-92; No of Pins: 3; Container: Ammo | |
| BC557BTA_NL | Fairchild Semiconductor | PNP Epitaxial Silicon Transistor | |