
50 Amp Diodes 12V Blocking 110V and 120V MD 55A-16;To Prevent Backfeed;Use Voltage Range:Ac < 400VAC ;DC 3-1000V;Used in Photovoltaics,Battery,Trailer,Car 24V 48 Volt Solar Diode Anti-Reverse
Description
Brand | LCLCTC |
Country of Origin | China |
Manufacturer Part Number | MD5582 |
Item Weight | 3.87 ounces |
Product Dimensions | 3.62 x 0.79 x 1.4 inches |
Manufacturer | LCTC |
- This model is anti-reverse diode MD 55A-16;Peak voltage 1600V;AC < 400VAC ;DC 3-1000VDC
- Please make sure to add a suitable heatsink for the diode (already listed and available in our store)
- Because it is commonly used in solar energy and photovoltaic power generation, and is often paired with solar cells and solar panels, some customers might refer to it as a "solar diode."
- Using four diodes together can act as a rectifier bridge
- Also known as a high current diode, if you need a higher current, please contact us
Product Description
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Why did the 50A diode overheat or melt?
It’s not due to too much current. The diode handles 50A, but without a heatsink, it can’t cool properly. Overheating happens when there’s not enough heat dissipation.
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Do I need a heatsink with this diode?
Yes. High current = high heat. A heatsink is required to prevent damage, even if you're within the rated 50A.
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Where can I buy the heatsink?
We sell the heatsink separately in our store. You can also choose the bundle (diode + heatsink) listed right below the diode SKU.
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What if I'm only using a small current—do I still need a heatsink?
If your current is over 6A, we strongly recommend using a heatsink. Even at lower currents, continuous use can cause heat buildup. It’s safer to install one.

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