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| # | Part: | Description: | Manuf. | Package | Pins | T°min | T°max | PDF size |
| 1. |  BC549 | NPN general purpose transistors | NXP Semiconductors | PHILIPS | - | - | - | 53 Kb |
| 2. | BC549 | NPN general purpose transistors | NXP Semiconductors | PHILIPS | - | - | - | 53 Kb |
| 3. | BC549 | NPN Silicon Transistors | Siemens Semiconductor Group | SIEMENS | - | - | - | 218 Kb |
| 4. | BC549 | NPN Silicon Epitaxial Planar Transistor | Semtech Corporation | SEMTECH | - | - | - | 374 Kb |
| 5. | BC549 | NPN EPITAXIAL SILICON TRANSISTOR | Fairchild Semiconductor | FAIRCHILD | - | - | - | 43 Kb |
| 6. | BC549 | General Purpose Si-Epitaxial Planar Transistors | Diotec Semiconductor | DIOTEC | - | - | - | 98 Kb |
| 7. | BC549 | Small Signal Transistors (NPN) | General Semiconductor | GE | - | - | - | 296 Kb |
| 8. | BC549 | TECHNICAL SPECIFICATIONS OF NPN EPITAXIAL PLANAR TRANSISTOR | Dc Components | DCCOM | - | - | - | 66 Kb |
| 9. | BC549 | NPN Silicon Epitaxial Planar Transistor | SEMTECH ELECTRONICS LTD. | SEMTECHELEC | - | - | - | 120 Kb |
| 10. | BC549 | EPITAXIAL PLANAR NPN TRANSISTOR (LOW NOISE AMPLIFIER) | KEC(Korea Electronics) | KEC | - | - | - | 119 Kb |
| 11. | BC549 | NPN SILICON RF SMALL SIGNAL TRANSISTOR | Micro Electronics | MICROELECTRONICS | - | - | - | 321 Kb |
| 12. | BC549 | Si-Epitaxial PlanarTransistors | Diotec Semiconductor | DIOTEC | - | - | - | 89 Kb |
| 13. | BC549 | SWITCHING AND AF AMPLIFIER | List of Unclassifed Manufacturers | ETC | - | - | - | 88 Kb |
| 14. | BC549 | NPN general purpose transistors | NXP Semiconductors | NXP | - | - | - | 62 Kb |
| 15. | BC549 | EPITAXIAL PLANAR NPN TRANSISTOR | KEC(Korea Electronics) | KEC | - | - | - | 25 Kb |
| 16. | HN/BC549 | 30 V, NPN silicon expitaxial planar transistor | Honeywell Solid State Electronics Center | HONEYWELL | - | - | - | 374 Kb |
| 17. | BC549A | Small Signal Transistor (NPN) | General Semiconductor | GE | - | - | - | 296 Kb |
| 18. | BC549B | Si-Epitaxial PlanarTransistors | Diotec Semiconductor | DIOTEC | - | - | - | 89 Kb |
| 19. | BC549B | Low Noise Transistors NPN Silicon | ON Semiconductor | ONSEMI | - | - | - | 60 Kb |
| 20. | BC549B | Low Noise Transistors | Motorola, Inc | MOTOROLA | - | - | - | 115 Kb |
| 21. | BC549B | NPN Silicon Transistors | Siemens Semiconductor Group | SIEMENS | - | - | - | 218 Kb |
