Buy Fotek SSRDA SSR DA Solid State Relay 25A, input VDC, output load 25A at VAC: Solid State Relays – ✓ FREE DELIVERY. I did a third search on FOTEK SSR counterfeit and discovered This Article as well as hundreds of forum conversations claiming counterfeit. And even though. Find great deals on eBay for SSRDA in Automation Relays. Shop with confidence. New (No Box) Fotek SSRDA-H Solid State Relay. Input: 3- 32VDC.

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You can operate without heatsink if load is switched in periods, but for constant driving it would be better to use minimal heatsink to lower junction temperature and extend operating life.

Add to wish list. Then we need to dissipate about 1. Relay also turns off when AC voltage crosses zero line. To rate this product or to add a new review, you need to log in. I have also tried just putting it on the 5V pin just to lock it up, but can try it completely separated with a 5V walwart or the like.

Solid State Relay Fotek SSR-25 DA 25A DC-AC Output 24V-380VAC

So if you electronics is able to light a LED, you can trigger relay. This page uses cookie files to provide its services in accordance to Cookies Usage Policy. Remove products Compare products. We will reply as soon as possible.

FOTEK SSR-25DA Manufacturer 25A ssr relay,input 3-32VDC output 24-380VAC

Product details Item Weight: Skip to toolbar About WordPress. There’s a problem loading this menu right now. Best way to do this is to attach heatsink 25a backplate. Sssr Renewed Refurbished products with a warranty. December 4, at 2: Share Facebook Twitter Pinterest.


Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Month January February March April May June July August September October November December Year Looking at these relays for sale on the internet, it appears that the vast majority are fakes from what I can determine.

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UL warns of solid state relay with counterfeit UL Recognition Mark (Release 13PN)

Enter your e-mail address, to which we will send a one-time notification when this product is available again. As you can see in this particular relay a snubber circuit is already included. So junction temperature in our case: Yes, there are lots of reports of counterfeited fotek units that are dangerous, never buy mains-rated equipment you are not sure of.

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Assuming construction is similar to what we found, it appears that as long as they are derated down to be within their 12A limit and have good heat sinking at higher power levels over maybe 6- 7A, they should probably perform OK. AmazonGlobal Ship Orders Internationally.

Looking on the internet, it quickly became obvious that there have been a lot of complaints about these parts failing. T his is close to maximum junction temperature. And there you have several options for switching loads. There was a problem completing your request. One biggest disadvantage of using mechanical relay is that it has moving parts with all rising problems.


Considering Solid-State Relays (SSR) for your projects | | Do It Easy With ScienceProg

Amazon Music Stream millions of songs. At low currents up to 5A for this SSRcase is capable to dissipate heat. See and discover other items: Instead of switching loads mechanically, SSR does this with help of electronics.

If this minimum is not low enough, the trigger pulse must remain on too long to be a reasonable control signal for turning the — on and off within a half cycle. See more product details. Save my name, email, and site URL in my browser for next time I post a comment. Enter the code below and hit Verify.

Have one to sell? Sign me up to an availability notification. Many of the 25A and 40A have crippled ratings. Hi, Sounds like you are getting ElectroMagnetic Interference.

Leave a Reply Cancel reply Connect with: Make sure to buy your groceries and daily needs Buy Now. If you take any microcontroller or any other digital IC, you will see that their output current on single pin is very limited — varies around 20mA.