(10pcs)12V 5V 3v 3.3V Solid State Relay 1a,dc SSR,Input:3-32Vdc,Output:5-60Vdc,41Fdd,Non-Contact,Mini,Slim Ac dc-dc,Micro for ESP32 Raspberry Pi

Using Espressif products like the ESP32? Want to drive a relay but the ESP32 doesn't have enough amps (40ma per pin, 120 total?) Then this relay is the answer. The "coil" requires almost no current. The only downside(a very small one) is the pins are non-Arduino standard. Refer to the attached image to see how I dealt with that..

My intended application for these relays was to use a PIR sensor to trigger a 12 Volt DC solenoid. This SSR performed as expected. The amount of time with my application that this would be powered was less than one second intermittently and the current would be far less than the one amp maximum that would require a heat sink so I was able to simply solder this into the circuit without the need for a heat sink. My project was very simple and this worked fine, but if you are going to be applying more than one amp, it does specify that you would need a heat sink. These appear to be very versatile with the input being anywhere from 3 to 32 volts DC and the output anywhere from 5 to 60 volts DC. I am happy with the results and would definitely use these again should the need arise.To help understand how I rate items:My philosophy is, that for a rating system to be effective, the highest rating and the lowest rating should be reserved for a relatively small percentage of the best and the worst products. If I give a product four stars, it is because I believe it is a very good product. To get five stars from me requires a product to go above and beyond and really impress me beyond my expectations. By the same token, a product has to be VERY, VERY bad to get only one star from me. One thing that I DON'T take into consideration with my ratings is price. I may make a general statement such as “this is a good value” but it will not affect my star rating. The reason is that product prices change, even from day-to-day. Also what one person may consider a good price someone else might not. I feel it is more important to review the quality and features of a product and let the buyer decide whether the current price is worth it to them. Another thing that I don't take into consideration are issues with shipping. This is because the seller does not always have control over that. Following is each of the five categories of *stars* and how I assign them to a product:***** Five stars - The product exceeded my expectations. I really love it and would actively suggest it to friends and would certainly purchase it again if needed.**** Four stars - The product met my expectations. It does what it claims to do. I like it and would recommend it to someone if they asked about it. I would Most likely purchase it again if needed .*** Three stars - The product is average and for the most part does what it claims. There may be a few things I don't like about it. If I recommended it to someone, I would state my reservations. I may purchase it again if I could not find a better alternative.** Two stars - The product fell far short of my expectations. It may, in some respects, do what it claims to do but has far too many problems to overlook. I would never recommended it to someone nor would I ever purchase it again. There is a good possibility I would return it.* One star - The product is terrible. It has way too many cons and few if any pros. I would actively warn my friends away from it and would most likely return it if possible.

These worked fine driven from an IO on an ESP32 to control a solenoid in a DC circuit.

idk why solid state relays like this are so hard to get ahold of at a reasonable price but these do the job nicely. Will definitely be ordering more of them in the future for various electronics projects.

Nice small SS relays. The only thing is they do not come with a base. So mounting them is a bit tricky if you don't already have bases.The answer for me was to solder wires to the leads coming from the relay and use heat shrink to cover/protect the connection. There is still the issue of mounting the relay so it is not just loose. I used zip-ties to anchor the relay to devices beside them.I use them to control a 12 volt fan using 5 volts from a USB A port on the device I want to activate the relay. It works very well. Each time the device with the USB is turned on, it sends 5 volts to the relay...If you don't need the base, these work very well as is.

I am building a Raspberry Pi driven button controller and I needed a way to switch circuits via the Pi's 3.3vdc GPIO outputs. This SSR was perfect as it can be driven directly from the Pi as opposed to traditional mechanical relays, plus it has the benefit of silent operation. I haven't messed with SSRs before this so it took me a bit to figure out the correct pinout. As it turns out, the control signal lands on 3+ and 4- pins. The power source for the relay output must be on 2+ and the controlled output to the load is 1-. From my research, SSRs typically require passive heat syncs in order to reach their max rated capacity, however I was unable to find any specs on this SSR's temperature/load rating, so -1 star for incomplete specs.

I've gotten SSRs at this price from other vendors DoA but these both work as expected and feel quality made. Will buy fromt his seller again

I tested one hooked directly to a circuit board via jumper wires. The relay worked exactly as advertised. These can be soldered onto a circuit board or mounted in a DIN Rail mount. Great relays at a great price!