Protection with ideal 8A diode characteristics

Product detailed description

The 3–30 V / 8 A ideal diode module protects the powered circuit against reverse polarity and prevents reverse current flow from the output to the source. Instead of a conventional diode, it uses two power MOSFETs with a control circuit that monitors input and output voltages; consequently, the voltage drop within the rated current range is only up to 0.2 V and power loss remains low even at higher currents. It is suitable for charging accumulators (preventing batteries from discharging back into the charger or a disconnected power source), for connecting two power sources in parallel (diode OR), or as reverse polarity protection in battery and solar applications. Both input and output are connected via screw terminal blocks; the ground is common between them, and only the positive rail is switched.

Specifications:

• Function: ideal diode – reverse polarity and reverse current protection
• Input voltage: 3–30 V DC
• Current: max. 8 A continuous, 12 A peak
• Voltage drop: max. 0.2 V (within rated current range)
• Switching elements: 2× power MOSFET (TO-252)
• Connection: common ground (GND), switched positive rail
• Pins:
  • VIN (+ / −): input – source, charger; screw terminal block
  • VOUT (+ / −): output – load, accumulator; screw terminal block
• Mounting: 4 mounting holes
• Dimensions: approx. 41 × 23 mm

Package contents:

• 1× 8A ideal diode module

Note:

• The module is not a surge protector – it does not limit or stabilise voltage; it only protects against reverse polarity and reverse current flow.
• For lower currents and compact installation, a 4A version (24 × 16 mm) is available.
• This product is not a standalone functional unit and may require professional installation.
• Product images are for illustrative purposes only and may sometimes differ from the actual appearance of the item. However, this does not change their basic properties.