RPP – Reverse Polarity Protection


Worried one day you will hook  up your radio backwards and watch the magic smoke?  Stop worrying by adding this low loss reverse polarity protection board to your next QRP rig. Details on how it works can be found in the Reverse Polarity Protection article.


On the kit version capacitor C1 is already soldered on.


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RPP Board



RPP Installed

RPP Specifications

Supply voltage input: Minimum 4V (Vgsth) Maximum 50V (Vdss)
Current Load: 4.25A Continous (W/ heatsink) 7A Peak
Typical Voltage Drop across RPP @ 13.4VDC: 3mW@60mA 56mV@820mA
84mV@1.3A 425mV@5.4A for 30seconds

Download the RPP-V2-Manual.

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Additional information

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Dimensions N/A

Kit, Assembled


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