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Small green circuit board with USB and serial connectors

Ruth's sister

Ruth's sister PL2303HXD USB RS232 Serial Adapter international power cord

SKU CH-3ZW5-RHCM0

USB-to-RS232 serial adapter with PL2303HXD chipset for legacy device connectivity

  • PL2303HXD chip provides USB to RS232 serial conversion
  • Direct PCB interface simplifies embedded system integration
  • Compact module design fits space-constrained applications
  • New condition ensures reliable out-of-box operation

USB RS232 Serial Adapter for Legacy Devices

This USB RS232 serial adapter uses the PL2303HXD chipset to provide a serial COM port on computers that lack native DB9 connectors. It is intended for engineers, technicians and hobbyists who need to communicate with industrial equipment, networking gear, microcontrollers or older peripherals that rely on RS232 signalling. The board-level design makes it suitable for integration into custom enclosures or test fixtures where a compact interface is required.

Passive Cooling and Low Power Consumption

The adapter draws power directly from the USB bus and operates without an external supply or active cooling. In normal use the PCB remains cool to the touch and produces no audible noise, making it appropriate for quiet lab benches or embedded installations. Current draw is minimal, so it will not strain laptop ports or unpowered hubs during extended debugging sessions.

How it compares

Measured against everything we stock in Worldwide Power Cords, at today’s prices. Recalculated every night.

Price $11.99
Pricier than about 80% of the 1,208 comparable items (median $9.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I install the PL2303HXD USB RS232 Serial Adapter and what step do people often miss?

Connect the USB end to your computer and the RS232 end to the serial device; the step often missed is installing the PL2303HXD driver before plugging it in so the COM port appears correctly.

What maintenance or replacement will the PL2303HXD USB RS232 Serial Adapter need later?

The adapter itself has no moving parts or consumables; replacement is only needed if the PCB or USB connector suffers physical damage or the RS232 pins become bent.

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