| No. | Part Name | Description | Manufacturer |
|---|
| 551 | S-812XXSG | HIGH-PRECISION VOLTAGE REGULATOR | Seiko Instruments Inc |
| 552 | S-813 | HIGH-PRECISION VOLTAGE REGULATOR | Seiko Instruments Inc |
| 553 | S-8270 | RECEIVER IC FOR INFRARED REMOTE CONTROLLER | Seiko Instruments Inc |
| 554 | S-8270A | RECEIVER IC FOR INFRARED REMOTE CONTROLLER | Seiko Instruments Inc |
| 555 | S-8270ADP | RECEIVER IC FOR INFRARED REMOTE CONTROLLER | Seiko Instruments Inc |
| 556 | S-8270AFE | RECEIVER IC FOR INFRARED REMOTE CONTROLLER | Seiko Instruments Inc |
| 557 | S-8310 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 558 | S-8310AFE-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 559 | S-8310AFS-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 560 | S-8310BFE-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 561 | S-8310BFS-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 562 | S-8310CFE-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
|
| 563 | S-8310CFS-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 564 | S-8310DFE-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 565 | S-8310DFS-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 566 | S-8311 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 567 | S-8311AFE-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 568 | S-8311AFS | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 569 | S-8311AFS-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 570 | S-8311BFE-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 571 | S-8311BFS-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 572 | S-8311CFE-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 573 | S-8311CFS-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 574 | S-8311DFE-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 575 | S-8311DFS-T2 | PWM STEP-UP SWITCHING REGULATOR WITH VOLTAGE DETECTORS | Seiko Instruments Inc |
| 576 | S-8321 | SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR | Seiko Instruments Inc |
| 577 | S-8321A | SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR | Seiko Instruments Inc |
| 578 | S-8321AJMP-DNJ-T2 | SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR | Seiko Instruments Inc |
| 579 | S-8321B | SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR | Seiko Instruments Inc |
| 580 | S-8322 | SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR | Seiko Instruments Inc |
| 581 | S-8322A | SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR | Seiko Instruments Inc |
| 582 | S-8322B | SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR | Seiko Instruments Inc |
| 583 | S-8420 | BATTERY BACKUP IC FOR 1-CHIP CPU | Seiko Instruments Inc |
| 584 | S-8423 | BATTERY BACKUP IC | Seiko Instruments Inc |
| 585 | S-8430AF | STEP UP & DOWN VOLTAGE REGULATOR | Seiko Instruments Inc |
| 586 | S-8435 | STEP-UP SWITCHING REGULATOR | Seiko Instruments Inc |
| 587 | S-8435AF-SK-T1 | STEP-UP SWITCHING REGULATOR | Seiko Instruments Inc |
| 588 | S-8435AF-SK-T2 | STEP-UP SWITCHING REGULATOR | Seiko Instruments Inc |
| 589 | S-8436 | STEP-UP SWITCHING REGULATOR | Seiko Instruments Inc |
| 590 | S-8437 | INVERTING SWITCHING REGULATORS | Seiko Instruments Inc |
| 591 | S-8437AF | INVERTING SWITCHING REGULATORS | Seiko Instruments Inc |
| 592 | S-8438 | INVERTING SWITCHING REGULATORS | Seiko Instruments Inc |
| 593 | S-8438AF | INVERTING SWITCHING REGULATORS | Seiko Instruments Inc |
| 594 | S-8470 | CMOS POWER MANAGEMENT IC | Seiko Instruments Inc |
| 595 | S-8491 | BATTERY PROTECTION IC | Seiko Instruments Inc |
| 596 | S-8491AUP-DKA-T2 | BATTERY PROTECTION IC | Seiko Instruments Inc |
| 597 | S-8491BUP-DKB-T2 | BATTERY PROTECTION IC | Seiko Instruments Inc |
| 598 | S-8491CUP-DKC-T2 | BATTERY PROTECTION IC | Seiko Instruments Inc |
| 599 | S-8491DUP-DKD-T2 | BATTERY PROTECTION IC | Seiko Instruments Inc |
| 600 | S-873021A | HIGH WITHSTAND-VOLTAGE VOLTAGE REGULATOR WITH RESET FUNCTION | Seiko Instruments Inc |
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