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Description
SSR-25DD DC to DC Solid State Relay - 2 PackSSR 25DD Solid State Relay Key Features Control Method: DC to DC (DC Input, DC Output) Input Control Voltage: 3 32V DC Output Load Voltage: 5 200V DC Maximum Load Current: 25A Response Time: 10ms Dielectric Strength: >2. 5KV Design: No moving parts for silent operation and extended lifespan. Features an isolated baseplate for efficient heat dissipation. Replaces Cross Reference Part Numbers SSR 25DD Compatibility & Fitment Suitable for switching high
SSR-25DD Solid State Relay
Key Features
- Control Method: DC to DC (DC Input, DC Output)
- Input Control Voltage: 3-32V DC
- Output Load Voltage: 5-200V DC
- Maximum Load Current: 25A
- Response Time: ≤10ms
- Dielectric Strength: >2.5KV
- Design: No moving parts for silent operation and extended lifespan. Features an isolated baseplate for efficient heat dissipation.
Replaces / Cross-Reference Part Numbers
- SSR-25DD
Compatibility & Fitment
- Suitable for switching high-current DC loads using a low-voltage DC control signal.
- Common applications include industrial automation, CNC machinery, DC motor control, DC heating elements, and robotics.
- Compatible with output signals from microcontrollers such as Arduino, Raspberry Pi, and other PLC systems.
When to Replace
- The relay fails to activate the load when a control signal is present.
- The load remains permanently on, even without a control signal.
- Switching becomes intermittent or unreliable.
- The relay overheats excessively during operation, indicating internal failure.
- Visible physical damage, such as cracks, burns, or melted housing.
Installation Tips
- Disconnect all power sources before installation or service.
- A heat sink is required for load currents exceeding 10A to ensure proper thermal management and prevent overheating.
- Apply a thin layer of thermal paste between the relay's metal base and the heat sink for optimal heat transfer.
- Ensure all wire connections are secure to prevent poor contact and potential arcing.
- Verify correct polarity for both the DC input (control) and DC output (load) terminals.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Love this pillow it is amazing
Size: Queen (Adjustable Foam)
Excellent pillow very comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 5
I like it
Size: Queen (Adjustable Foam)
I have been trying to find the "perfect" pillow. I am not sure if this would count as the perfect pillow, but it is better than my previous pillow. I have not been waking up with a stiff neck and soreness across my shoulders. It is more firm than I thought it would be. But so far, so good.
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Reviewed in the United States on December 25, 2025
★★★★★ 3
Decent firm pillow
Size: Queen (Adjustable Foam)
I've been using the shredded foam pillow since January. At first it was too packed/firm, so I had to remove some of the stuffing from mine. When fully full, it is a chore to get it in/out of our standard pillow cases.
Over time, the pillow has developed a divot from where my head rests the most, so I'll need to fully remove/fluff/reinsert the foam to get it back into shape. Overall, I find the comfort of this pillow just okay. It absorbs your head heat even in the winter, so if you prefer a cool pillow, I don't recommend it. It does seem to be a good quality pillow otherwise. I expect I'll be able to use this one for a few years without it falling apart. It doesn't smell bad either.
My husband really likes the pillow, but I've also seen him sleep comfortably on very old pillows that have turned into pancakes... so do with that information what you will.
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Reviewed in the United States on June 25, 2025
★★★★★ 5
Best Pillow ever
Size: Queen (Adjustable Foam)
I am in love with this pillow. I have such a hard time finding a pillow that works for me because they are usually to big or too flat. This pillow is right where I need it to be. It is soooo comfortable. My neck has no pain anymore. The quality is high as well. No bad stitching. The stuffing is evenly distributed and the pillow is so soft sometimes I don't even want to use a pillow case but I do haha. Definitely worth the money.
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Reviewed in the United States on November 6, 2025
★★★★★ 5
These pillows are way nicer than hotel pillows!
Size: Queen / Standard, Color: White
This is a real review and I am not a robot. I’m actually sleeping with these pillows right now. They are so comfortable the right softness levels. Oh my gosh they’re awesome. I don’t know about hotel pillows, but these are way better quality form with your head and you sleep like a baby.
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Reviewed in the United States on May 29, 2026