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Northern Arizona Wind & Sun is one of the pioneer solar power companies, and has been in the solar electric business since 1979. We stock a complete range of solar panels, inverters, deep cycle batteries, and hundreds of other DC power and solar power related products.

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Replacement Solar Panel Bypass Diodes
8 Amp, with pigtail lugs (TO-220)

8 Amp solar bypass diode
8 Amp solar bypass diode
Item# MUR1560
Regular (MSRP) price: $5.00
Our Discounted Price: $2.25, 6 for $12.00, 25 for $43.75
Availability: Usually ships the next business day.

If one module in a series string fails, due to shade or other factors, it produces so much resistance that all the other modules in that string are cut off. A bypass diode creates a path around the disabled module.

Many panels are set up as actually two strings in one frame, and each half of the panel has a bypass diode, usually inside the junction box. These can go bad if the panels are hooked up incorrectly, from lightning hits, or from overload. These serve the same purpose and use the same diodes as above.

Bypass diodes are not needed in all systems, and usually not at all in 12 volt systems.

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