| Nr. | Part Name | Description | Manufacturer by |
| 188361 | BC556B | PNP SILICON PLANAR EPITAXIAL TRANSISTORS | Boca Semiconductor Corporation |
| 188362 | BC556B | PNP Silicon Amplifier Transistor 625mW | Micro Commercial Components |
| 188363 | BC556B | Amplifier Transistors | Motorola |
| 188364 | BC556B | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188365 | BC556B | Amplifier Transistors | ON Semiconductor |
| 188366 | BC556B | Transistors, RF & AF | Vishay |
| 188367 | BC556BBU | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188368 | BC556BRL1 | Amplifier Transistors | ON Semiconductor |
| 188369 | BC556BRL1 | Amplifier Transistors | ON Semiconductor |
| 188370 | BC556BTA | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188371 | BC556BTAR | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188372 | BC556BTF | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188373 | BC556BTFR | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188374 | BC556BU | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188375 | BC556BZL1 | Amplifier Transistors | ON Semiconductor |
| 188376 | BC556B_J18Z | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188377 | BC556CBU | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188378 | BC556CTA | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188379 | BC556TF | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188380 | BC556TFR | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188381 | BC556_J18Z | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188382 | BC557 | PNP general purpose transistors | Philips |
| 188383 | BC557 | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188384 | BC557 | General Purpose Transistor | Korea Electronics (KEC) |
| 188385 | BC557 | Small Signal Transistors (PNP) | Vishay |
| 188386 | BC557 | Small Signal Transistors (PNP) | General Semiconductor |
| 188387 | BC557 | PNP Silicon Epitaxial Planar Transistor | Honey Technology |
| 188388 | BC557 | PNP SILICON AF SMALL SIGNAL TRANSISTORS | Micro Electronics |
| 188389 | BC557 | PNP SILICON PLANAR EPITAXIAL TRANSISTORS | Boca Semiconductor Corporation |
| 188390 | BC557 | PNP Silicon Amplifier Transistor 625mW | Micro Commercial Components |
| 188391 | BC557 | Si-Epitaxial PlanarTransistors | Diotec Elektronische |
| 188392 | BC557A | PNP SILICON PLANAR EPITAXIAL TRANSISTORS | Boca Semiconductor Corporation |
| 188393 | BC557A | PNP Silicon Amplifier Transistor 625mW | Micro Commercial Components |
| 188394 | BC557A | Amplifier Transistors | Motorola |
| 188395 | BC557A | Amplifier Transistors | ON Semiconductor |
| 188396 | BC557A | Transistors, RF & AF | Vishay |
| 188397 | BC557A | Si-Epitaxial PlanarTransistors | Diotec Elektronische |
| 188398 | BC557ABU | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188399 | BC557ATA | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 188400 | BC557AZL1 | Amplifier Transistors | ON Semiconductor |
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