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  6. [Free Download] What is a Relay? "Beginner's Relay" Basic Book

[Free Download] What is a Relay? "Beginner's Relay" Basic Book

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last updated:Apr 10, 2025

JEL SYSTEM CO,LTD
JEL SYSTEM CO,LTD
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What is a relay? What kind of structure does it have? Where is it used? We present materials that cover the basics of relays!

The electrical component "relay," used in many electrical devices, is often utilized as an embedded component. But do you know what a "relay" actually is? The document "Introduction to Relays" provides basic information about relays, including the devices and examples where relays are used, what a relay is, and the characteristics of relays. [Contents of the document] ■ Main applications and examples of relays ■ What is a relay? ■ Structure of a relay ■ Types of relays ■ Mechanical relays, solid-state relays, and their respective characteristics ■ Solid-state relays in gel systems *Please view the PDF of the document "Introduction to Relays" from the download link.

    relay
はじめてのリレーサムネ.png

[Free Download] What is a Relay? "Beginner's Relay" Basic Book

はじめてのリレーサムネ.png
はじめてのリレーサムネ.png
  • To the Gel System homepage
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basic information

= New Information on Gel System = ◆ Gel System manufactures and sells thyristor modules and diode modules as part of its power module business. ◆ In addition to various thyristor and diode modules, we are now launching high-capacity fast recovery diodes (FRD) and SiC Schottky barrier diodes. ◆ You can also rely on us for stack manufacturing. We can accommodate rectifier stacks using diodes and thyristors, as well as custom stacks tailored to your needs. * For detailed information on each product, please refer to the PDF available for download.

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catalog(5)

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First Relay: A Basic Handbook for Relays

First Relay: A Basic Handbook for Relays

TECHNICAL
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New product: Semiconductor power module

New product: Semiconductor power module

PRODUCT
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High-capacity fast recovery diode module

High-capacity fast recovery diode module

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[New Product Information] SiC SBD Module

[New Product Information] SiC SBD Module

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Diode stack equipped with in-house manufactured devices.

Diode stack equipped with in-house manufactured devices.

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SSR Selected Site

Newly launched! Gel System Official SSR Selection Site

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You can select SSR through product searches by specifications, model numbers, and applications! The SSR manufacturer, Gel System, has launched a dedicated site for SSR selection. You can search for products based on specifications, model numbers, and applications. Please make use of this when selecting parts for new designs or alternatives. We also plan to continuously release SSR content that is a must-see for designers.

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Company information

JEL

JEL SYSTEM CO,LTD

Electronic Components and Semiconductors

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Gel System Co., Ltd. is engaged in the development of high-quality products at low cost. Focusing on our flagship product, the "Solid State Relay," we develop and manufacture control devices such as "Diode Modules" and "Thyristor Modules," and we are also committed to environmental products like "Electronic Breakers" and "Remote Monitoring Devices." Naka and Company, Inc. is a company that designs, manufactures, and sells crystal oscillators and crystal resonators. Through our unique frequency multiplication circuit technology and low harmonic removal technology, we provide high-frequency crystal oscillators that achieve stable oscillation and low phase noise without the need for precision processing of crystals (such as etching). Since July 2014, Naka and Company, Inc. has become a 100% subsidiary of Gel System Co., Ltd., joining the Gel Group. Naka and Company will continue to strive to be of service to everyone, and we ask for your continued support and cooperation.

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