| Nr. | Part Name | Description | Manufacturer by |
| 53441 | 2SC2542 | MOLD TYPE BIPOLAR TRANSISTORS | Unknow |
| 53442 | 2SC2542 | High speed switching transistor | COLLMER SEMICONDUCTOR INC |
| 53443 | 2SC2542 | MOLD TYPE BIPOLAR TRANSISTORS | Unknow |
| 53444 | 2SC2542 | High speed switching transistor | COLLMER SEMICONDUCTOR INC |
| 53445 | 2SC2543 | Silicon NPN Transistor | Hitachi Semiconductor |
| 53446 | 2SC2543 | Silicon NPN Epitaxial | Hitachi Semiconductor |
| 53447 | 2SC2544 | Silicon NPN Transistor | Hitachi Semiconductor |
| 53448 | 2SC2544 | Silicon NPN Epitaxial | Hitachi Semiconductor |
| 53449 | 2SC2545 | Silicon NPN Transistor | Hitachi Semiconductor |
| 53450 | 2SC2545 | Silicon NPN Epitaxial | Hitachi Semiconductor |
| 53451 | 2SC2545 | Transistors>Amplifiers/Bipolar | Renesas |
| 53452 | 2SC2546 | Silicon NPN Transistor | Hitachi Semiconductor |
| 53453 | 2SC2546 | Silicon NPN Epitaxial | Hitachi Semiconductor |
| 53454 | 2SC2546 | Transistors>Amplifiers/Bipolar | Renesas |
| 53455 | 2SC2547 | Silicon NPN Transistor | Hitachi Semiconductor |
| 53456 | 2SC2547 | Silicon NPN Epitaxial | Hitachi Semiconductor |
| 53457 | 2SC2547 | Transistors>Amplifiers/Bipolar | Renesas |
| 53458 | 2SC2551 | Transistor Silicon NPN Epitaxial Type (PCT process) Hight Voltage Control Applications Plasma Display, Nixie Tube Driver Applications Cathode Ray Tube Brightness Control Applications | TOSHIBA |
| 53459 | 2SC2552 | TRANSISTOR SILICON NPN TRIPLE DIFFUSED TYPE (PCT PROCESS) SWITCHING REGULATOR AND HIGH VOLTAGE SWITCHING, HIGH SPEED DC-DC CONVERTER APPLICATIONS. | TOSHIBA |
| 53460 | 2SC2555 | TRANSISTOR SILICON NPN TRIPLE DIFFUSED TYPE SWITCHING REGULATOR AND HIGH VOLTAGE SWITCHING AND HIGH SPEED DC-DC CONVERTER APPLICATIONS | TOSHIBA |
| 53461 | 2SC2555 | POWER TRANSISTORS(8.0A,400V,80W) | MOSPEC Semiconductor |
| 53462 | 2SC2561 | Si NPN epitaxial planar. RF amplifier. | Panasonic |
| 53463 | 2SC2563 | TO-3P Package Series | TOSHIBA |
| 53464 | 2SC2565 | 2SC2565 | TOSHIBA |
| 53465 | 2SC2565 | 2SC2565 | TOSHIBA |
| 53466 | 2SC2570 | NPN SILICON HIGH FREQUNY TRANSISTOR | NEC |
| 53467 | 2SC2570 | NPN SILICON HIGH FREQUNY TRANSISTOR | NEC |
| 53468 | 2SC2570A | HIGH FREQUENCY LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR | NEC |
| 53469 | 2SC2570A-T | HIGH FREQUENCY LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR | NEC |
| 53470 | 2SC2577 | NPN PLANAR SILICON TRANSISTOR(AUDIO POWER AMPLIFIER DC TO DC CONVERTER) | Wing Shing Computer Components |
| 53471 | 2SC2578 | NPN PLANAR SILICON TRANSISTOR(AUDIO POWER AMPLIFIER DC TO DC CONVERTER) | Wing Shing Computer Components |
| 53472 | 2SC2580 | NPN PLANAR SILICON TRANSISTOR(AUDIO POWER AMPLIFIER DC TO DC CONVERTER) | Wing Shing Computer Components |
| 53473 | 2SC2581 | AUDIO POWER AMPLIFIER, DC TO DC CONVERTER(NPN) | Wing Shing Computer Components |
| 53474 | 2SC2585 | NPN SILICON RF TRANSISTOR | Advanced Semiconductor |
| 53475 | 2SC2585 | NPN SILICON RF TRANSISTOR | Advanced Semiconductor |
| 53476 | 2SC2590 | Power Device - Power Transistors - Others | Panasonic |
| 53477 | 2SC2591 | AF Driver,High Power Amplifier Amplifier Complementary Pair with 2SA1111,2SA1112 | Unknow |
| 53478 | 2SC2591 | AF Driver,High Power Amplifier Amplifier Complementary Pair with 2SA1111,2SA1112 | Unknow |
| 53479 | 2SC2591 | Transistor - Silicon NPN Epitaxial Planar Type | Panasonic |
| 53480 | 2SC2592 | AF Driver,High Power Amplifier Amplifier Complementary Pair with 2SA1111,2SA1112 | Unknow |
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