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Technical Information – Relays

Note: 1. Consult your OMRON representative before using any other cleaning solvent. Do not use Freon-TMC-based, thinner-based, or

gasoline-based cleaning solvents.

2. Worldwide efforts are being made at discontinuing the use of CFC-113-based (fluorochlorocarbon-based) and trichloroethylene-

based cleaning solvents. The user is requested to refrain from using these cleaning solvents

3. It may be difficult to clean the space between the relay and PCB using hydrogen-based or alcohol-based cleaning solvent. It is

recommended the stand-off-type be used G6A- -ST when using hydrogen-based or alcohol-based cleaning solvents.

4. Ultrasonic cleaning may have an adverse effect on the performance of relays not specifically manufactured for ultrasonic

cleaning. Please refer to the model number to determine if your relay is intended to be cleaned ultrasonically.

Process 8: Coating

Do not apply a coating agent to any flux-resistant relay or relay with a case because the coating agent will penetrate into the relay and

the contacts may be damaged.

Some coating agents may damage the case of the relay. Be sure to use a proper coating agent.

Do not fix the position of relay with resin or the characteristics of the relay will change.

Resin Fully Sealed

Epoxy YES

Urethane YES

Silicone NO

Fluorine YES

List of Cleaning Solvents

Chlorine-based Perochlene Yes

Chlorosolder

Trichloroethylene

Water-based Indusco Yes

Holys

Alcohol-based IPA Yes

Ethanol

Others Thinner No

Gasoline

Cleaning method Automatic cleaning

Ultrasonic cleaning (see note 4)

Solvent Fully Seated

Process 7: Cleaning

Avoid cleaning the soldered terminals whenever possible. When a resin-type flux is used, no cleaning is necessary. If cleaning cannot be

avoided, exercise care in selecting an appropriate cleaning solvent.

Clensing Method

Unsealed Flux protection Fully sealed

Boiling cleaning and immersion cleaning are possible. Ultrasonic cleaning

will have an adverse effect on the performance of relays not specifically

manufactured for ultrasonic cleaning.

The washng temperature is 40°C max..

Boiling cleaning and immersion

cleaning are not possible. Clean only

the back of the PCB with a brush.

Omron A5 Catalogue 2007 1-282 11/9/06 10:16 am Page 28