| 642521 | H8259-01 | Side-on PMT | Hamamatsu Corporation |
| 642522 | H8259-02 | Side-on PMT | Hamamatsu Corporation |
| 642523 | H83644 | H8/3644 Series Hardware Manual | Hitachi Semiconductor |
| 642524 | H83827R | 8BIT SINGLE CHIP MICROCOMPUTER | Hitachi Semiconductor |
| 642525 | H83827S | 8BIT SINGLE CHIP MICROCOMPUTER | Hitachi Semiconductor |
| 642526 | H83935 | Hardware Manual | Hitachi Semiconductor |
| 642527 | H83935R | Hardware Manual | Hitachi Semiconductor |
| 642528 | H83936 | Hardware Manual | Hitachi Semiconductor |
| 642529 | H83936R | Hardware Manual | Hitachi Semiconductor |
| 642530 | H83937 | Hardware Manual | Hitachi Semiconductor |
| 642531 | H83937R | Hardware Manual | Hitachi Semiconductor |
| 642532 | H8480 | X-CUBE COMPACT X-RAY CCD CAMERAS | Hamamatsu Corporation |
| 642533 | H8481 | X-CUBE COMPACT X-RAY CCD CAMERAS | Hamamatsu Corporation |
| 642534 | H8567-01 | Compact Side-on PMT | Hamamatsu Corporation |
| 642535 | H8567-02 | Compact Side-on PMT | Hamamatsu Corporation |
| 642536 | H8567-03 | Compact Side-on PMT | Hamamatsu Corporation |
| 642537 | H8567-04 | Compact Side-on PMT | Hamamatsu Corporation |
| 642538 | H8567-05 | Compact Side-on PMT | Hamamatsu Corporation |
| 642539 | H8568-01 | Compact Side-on PMT | Hamamatsu Corporation |
|
| 642540 | H8568-02 | Compact Side-on PMT | Hamamatsu Corporation |
| 642541 | H8568-03 | Compact Side-on PMT | Hamamatsu Corporation |
| 642542 | H8568-04 | Compact Side-on PMT | Hamamatsu Corporation |
| 642543 | H8568-05 | Compact Side-on PMT | Hamamatsu Corporation |
| 642544 | H8569-01 | Compact Side-on PMT | Hamamatsu Corporation |
| 642545 | H8569-02 | Compact Side-on PMT | Hamamatsu Corporation |
| 642546 | H8569-03 | Compact Side-on PMT | Hamamatsu Corporation |
| 642547 | H8569-04 | Compact Side-on PMT | Hamamatsu Corporation |
| 642548 | H8569-05 | Compact Side-on PMT | Hamamatsu Corporation |
| 642549 | H8711 | MULTIANODE PHOTOMULTIPLIER TUBE ASSEMBLY | Hamamatsu Corporation |
| 642550 | H8711-10 | MULTIANODE PHOTOMULTIPLIER TUBE ASSEMBLY | Hamamatsu Corporation |
| 642551 | H8S/2140BF-ZTAT | Hitachi 16-Bit Single-Chip Microcomputer | Renesas |
| 642552 | H8S/2141BF-ZTAT | Hitachi 16-Bit Single-Chip Microcomputer | Renesas |
| 642553 | H8S/2145BF-ZTAT | Hitachi 16-Bit Single-Chip Microcomputer | Renesas |
| 642554 | H8S/2148BF-ZTAT | Hitachi 16-Bit Single-Chip Microcomputer | Renesas |
| 642555 | H8S/2149 | Hitachi 16-Bit Single-Chip Microcomputer | Renesas |
| 642556 | H8S/2149F-ZTAT | Hitachi 16-Bit Single-Chip Microcomputer | Renesas |
| 642557 | H8S/2160B | Hitachi 16-Bit Single-Chip Microcomputer | Renesas |
| 642558 | H8S/2161B | Hitachi 16-Bit Single-Chip Microcomputer | Renesas |
| 642559 | H8S/2166 | Renesas 16-Bit Single-Chip Microcomputer | Renesas |
| 642560 | H8S/2167 | Renesas 16-Bit Single-Chip Microcomputer | Renesas |
