Worried one day you will hook up power to your QRP radio backwards and watch the magic smoke?  Stop worrying by adding this low loss reverse polarity protection board between your power line and QRP rig.

This is the same as our Reverse Polarity Protection SMD kit but assembled and tested.

NEW board version
  • 2oZ copper PCB for more current and heat dissipation.
  • Red/Green LED indicators for correct/reversed polarity


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: 1mV@60mA 130mV@820mA

340mV@1.3A 900mV@5.4A for 30seconds

Please check out my other kits and auctions!