Seiko Instruments, Inc. (SII)

Seiko Instruments Inc. (SII) was established in 1937 as a key watch manufacturing company for the Seiko Group.  Based on its sophisticated micromechatronics and nanotechnology techniques developed through decades of experience in precision machinery manufacturing and low-power consumption technologies, the company provides micromechatronic products and services including watch and HDD components; semiconductors, FPD and electronic devices; network solutions systems; nanotechnology equipment; scientific instruments; and large-format inkjet printers.

- Manufacturer Website

Product Categories                                                                                                                                          


Quartz Crystal
SMD Type
for Low CL
Cylinder Type More...




Superior performance Co-Ni Alloy Product (SPRON)
SPRON was developed jointly with the Metal Materials Laboratory of Tohoku University as a spring material for mechanical wristwatches. It is used in high-class mechanical watches by Seiko and other makers and has earned a high level of trust. In addition, with its outstanding characteristics, including superior elasticity, great strength and high heat and corrosion resistances, SPRON has become popular in a wide variety of fields, from electronics to medicine. More...

Rare Earth Magnets (DIANET)
Micro-Energy Division Cobalt Rare Earth Magnets have been widely applied and appreciated to the state-of-the-art electronic machinery and equipment, such as rotary devices, acoustic instruments and equipment, and communications systems. Its applications are expanding increasingly. More...

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Part Number	Description	Datasheet
CPH3225A	CAP 11MF 3.3V SURFACE MOUNT
S-93C46CD0I-T8T1U3	EEPROM 3-WIRE SERIAL E2PROM
S-93C66CD0I-T8T1U3	EEPROM 3-WIRE SERIAL E2PROM
S-93C76CD0I-T8T1U3	EEPROM 3-WIRE SERIAL E2PROM
S-93C86CD0I-T8T1U3	EEPROM 3-WIRE SERIAL E2PROM
S-1410G28-K8T2U4	IC OSC WATCHDOG TIMER 8TMSOP
S-1410G25-K8T2U4	IC OSC WATCHDOG TIMER 8TMSOP
S-1410G29-K8T2U4	IC OSC WATCHDOG TIMER 8TMSOP
S-1411J28-K8T2U4	IC OSC WATCHDOG TIMER 8TMSOP
S-1411J36-K8T2U4	IC OSC WATCHDOG TIMER 8TMSOP
S-1411G28-K8T2U4	IC OSC WATCHDOG TIMER 8TMSOP
S-1411G40-K8T2U4	IC OSC WATCHDOG TIMER 8TMSOP
S-1411H30-K8T2U4	IC OSC WATCHDOG TIMER 8TMSOP
S-1411J45-K8T2U4	IC OSC WATCHDOG TIMER 8TMSOP
S-1317A30-A4T2U4	IC REG LINEAR 3V 100MA HSNT4-B
S-1317A27-A4T2U4	IC REG LINEAR 2.7V 100MA HSNT4-B
S-1317A33-A4T2U4	IC REG LINEAR 3.3V 100MA HSNT4-B
S-1317A18-A4T2U4	IC REG LINEAR 1.8V 100MA HSNT4-B
S-1317A25-A4T2U4	IC REG LINEAR 2.5V 100MA HSNT4-B
S-1317A12-A4T2U4	IC REG LINEAR 1.2V 100MA HSNT4-B
S-1317A25-M5T1U4	IC REG LINEAR 2.5V 100MA SOT23-5

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