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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Accept Reject Read More. And drive 5A current. Don’t have an account? I want to receive an additional SMS with a notification Your phone number: 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.

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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. MarkT Brattain Member Posts: LED light – Weight: RL Choose size for availability notification: Our relay can be turned on from 3V dotek 32V DC signal and requires 7. MorganS Shannon Member Posts: We know that SSR voltage drop is about 1.

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SSRDA: Relays | eBay

Well, is the SSR or any component overheating? I know about inrush surge current when a compressor starts but it should be well within the limits of the SSR.

Amazon Renewed Refurbished products with a warranty. As you have clearly shown, even that may not be a safe assumption unless you sacrifice one out of every order to see what is it that you actually received. I bet the freezer stays on; and if it does that proves the Arduino is getting hung from electrical noise.

Solid State Relays

Regards, Terry King terry yourduino. 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. Update your profile Let us wish you a happy birthday! That was my first thought, but the SSR just stays cool. Where is the Arduino?


Any item with “FREE Shipping” label on the search and the product detail page is eligible and contributes to your free shipping order minimum. Enter contact details and we will notify you, when the product is available. November 16, at 5: Using relays are common — of switching high power loads with electronics.

Considering Solid-State Relays (SSR) for your projects

How is it powered.? Best way to do this is to attach heatsink to backplate. But if ambient temperature is high enough, then you need to ssrr heatsink.

Usually we need to switch loads that draw significantly higher currents and are powered from higher voltage supply.

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