| 109881 | 2SK49 | N-Channel Junction Field Effect Transistor | NEC |
| 109882 | 2SK492 | 150mW SMD J-FET (Field-Effect Transistor), maximum rating: -50V Vgdo, 10mA Ig, 1 to 12 mA Idss. | Isahaya Electronics Corporation |
| 109883 | 2SK494 | Silicon N Channel MOS FET | Hitachi Semiconductor |
| 109884 | 2SK494 | Silicon N-Channel Junction FET | Hitachi Semiconductor |
| 109885 | 2SK505 | N-Channel Junction Field Effect Transistor | NEC |
| 109886 | 2SK507 | N-Channel Junction Field Effect Transistor | NEC |
| 109887 | 2SK511 | HIGH FREQUENCY POWER AMPLIFIER | Hitachi Semiconductor |
| 109888 | 2SK512 | SILICON C-CHANNEL MOSFET HIGH SPEED POWER SWITCHING | Hitachi Semiconductor |
| 109889 | 2SK514 | N-Channel Junction Field Effect Transistor | NEC |
| 109890 | 2SK518 | N-Channel Junction Field Effect Transistor | NEC |
| 109891 | 2SK519 | N-Channel Junction Field Effect Transistor | NEC |
| 109892 | 2SK522 | Silicon N-Channel Junction FET | Hitachi Semiconductor |
| 109893 | 2SK523 | N-Channel Junction Field Effect Transistor | NEC |
| 109894 | 2SK525 | SILICON P-CHANNEL MOS FET | TOSHIBA |
| 109895 | 2SK526 | MOTOR AND SOLENOID DRIVE APPLICATIONS | TOSHIBA |
| 109896 | 2SK530 | 2SK530 | Unknow |
| 109897 | 2SK531 | 2SK531 | Unknow |
| 109898 | 2SK532 | 2SK532 | Unknow |
| 109899 | 2SK533 | N-Channel Junction Field Effect Transistor | NEC |
|
| 109900 | 2SK534 | HIGH SPEED POWER SWITCHING | Hitachi Semiconductor |
| 109901 | 2SK536 | N-Channel Enhancement MOS Silicon FET Analog Switch Applications | SANYO |
| 109902 | 2SK538 | 2SK538 | Unknow |
| 109903 | 2SK539 | 2SK539 | TOSHIBA |
| 109904 | 2SK540 | N-Channel Junction Field-Effect Transistor | NEC |
| 109905 | 2SK543 | N-Channel Silicon MOSFET FM Tuner, VHF-Band Amplifier Applications | SANYO |
| 109906 | 2SK544 | N-Channel Silicon MOSFET FM Tuner, VHF Amplifier Applications | SANYO |
| 109907 | 2SK545 | N-Channel Junction Silicon FET Impedance Converter Applications | SANYO |
| 109908 | 2SK546 | N-Channel Junction Silicon FET N-Channel Junction Silicon FET | SANYO |
| 109909 | 2SK549 | HIGH SPEED POWER SWITCHING | Hitachi Semiconductor |
| 109910 | 2SK55 | SILICON N-CHANNEL JUNCTION FET | Hitachi Semiconductor |
| 109911 | 2SK551 | Silicon N-Channel MOS FET | Renesas |
| 109912 | 2SK552 | Silicon N-Channel MOS FET | Renesas |
| 109913 | 2SK553 | Silicon N-Channel MOS FET | Renesas |
| 109914 | 2SK554 | Silicon N-Channel MOS FET | Renesas |
| 109915 | 2SK555 | Silicon N-Channel MOS FET | Renesas |
| 109916 | 2SK556 | Silicon N-Channel MOS FET | Renesas |
| 109917 | 2SK557 | Silicon N-Channel MOS FET | Renesas |
| 109918 | 2SK559 | Silicon N-Channel MOS FET | Renesas |
| 109919 | 2SK56 | 8Ii-N-cHANNEL Junction FET | Unknow |
| 109920 | 2SK560 | Silicon N-Channel MOS FET | Renesas |
