Rs232 Usb B

Updated July 3, 2026

Overview

Product sourcing insights & recommendations

24 来源

The market for RS232 to USB-B converters is undergoing a significant shift as of mid-2026, driven by the persistent need to bridge legacy industrial equipment with modern IT infrastructure. The "USB-B" variant remains a staple in industrial "fixed" installations (like medical devices, PLCs, and network switches) due to its more secure physical connection compared to the smaller Type-A or Type-C ports.

Core Product Insights

* Chipset Dominance: The market has polarized between FTDI (FT232RL/FT232RNL) and Prolific chipsets. Industrial users are increasingly demanding FTDI for its superior driver stability on Windows 11 and Linux, while Prolific remains dominant in low-cost consumer adapters Usconverters.

* Industrial Hardening: Top-tier products now feature 2.5kV Signal Isolation and 15kV ESD Protection as standard. This trend is driven by the high cost of equipment failure in factory environments Mouser Usconverters.

* High-Speed Transition: While standard serial communication is 230kbps, new USB 2.0 compliant converters are supporting up to 12 Mbps, catering to high-precision data acquisition tools Usconverters.

Market Trends & 2026 Forecast

* Sustainable Growth: The global USB devices market is projected to grow at a CAGR of 10.52%, reaching $87.76 billion by 2033 Snsinsider.

* USB 2.0 Resilience: Despite the rise of USB-C and USB4, USB 2.0 still commands a 60% revenue share in the converter segment due to its reliability and cost-efficiency for serial data Snsinsider.

* Security Integration: A rising trend for 2026 is the inclusion of hardware-level encryption or "secure boot" features in converters to prevent malware injection via serial ports Snsinsider.

Top Sourcing Opportunities

I have identified several industrial-grade manufacturers specializing in isolated FTDI solutions. Prices for high-quality isolated units typically range from $17 to $22, while basic modules can be found for as low as $1.10 for bulk OEM projects.

Would you like me to focus on high-speed 12 Mbps converters or more affordable consumer-grade options?

Sources & References

24 sources cited · Verified industry data & reports

RS232 Cable and Connectors Explained - Tripp Lite - Eaton

Eaton

Eaton's Keyspan RS232 to USB converter (Model Number USA-19HS) is widely recommended by serial device manufacturers for its compatibility and reliability.

Choosing the Best RS232 to USB Adapter for Your Needs

US Converters

Key features to consider when selecting an RS232 to USB adapter include data transfer speeds, chipset quality, and protection features like surge protection.

USB-B to RS232 Converter Guide: How to Choose & Use

Alibaba

A USB-B to RS232 converter is a compact interface adapter that bridges two incompatible physical and electrical standards: the modern USB 2.0 ...

Guide to Selecting a USB to Serial Adapter

USBGear

Our USB to serial adapters have a built-in processing chip. RS232 data signals include TX, RX, RTS, CTS, DTR, DSR, DCD, RI, and GND,

StarTech.com ICUSB2322F 2-Port USB to Serial Adapter Cable

matrixsolutionsinc.com

Add two RS232 serial ports to your computer with the StarTech.com ICUSB2322F USB to Serial Adapter. Compact, customizable, and easy to install.

StarTech 4 Port USB to Serial RS232 Adapter - Wall Mount

Amazon.com

converts a single USB port into four RS232 serial ports, enabling you to connect to, monitor and control your serial devices.