---
product_id: 276256682
title: "DSD TECH SH-U09C3 Isolated USB to TTL Adapter Featuring FTDI FT232RL IC"
brand: "dsd tech"
price: "HK$325"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/276256682-dsd-tech-sh-u09c3-isolated-usb-to-ttl-adapter-featuring
store_origin: HK
region: Hong Kong
---

# FTDI Chip LED Indicators USB Isolation DSD TECH SH-U09C3 Isolated USB to TTL Adapter Featuring FTDI FT232RL IC

**Brand:** dsd tech
**Price:** HK$325
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Projects with Unmatched USB Isolation!

## Quick Answers

- **What is this?** DSD TECH SH-U09C3 Isolated USB to TTL Adapter Featuring FTDI FT232RL IC by dsd tech
- **How much does it cost?** HK$325 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/276256682-dsd-tech-sh-u09c3-isolated-usb-to-ttl-adapter-featuring)

## Best For

- dsd tech enthusiasts

## Why This Product

- Trusted dsd tech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **⚙️ Dual Voltage Support:** Seamlessly switch between 3.3V and 5V TTL logic to suit your project needs.
- • **📞 Dedicated Customer Support:** Enjoy 1-year replacement service and prompt responses to your queries within 1 business day.
- • **💼 Professional Debugging Tool:** LED indicators for TX, RX, and Power make debugging and downloading a breeze.
- • **🔒 Industrial-Grade Protection:** Experience peace of mind with advanced isolation technology that shields your USB port from external damage.
- • **🛡️ Protective Case Included:** Keep your hands safe and your device secure with a built-in protective case.

## Overview

The DSD TECH SH-U09C3 Isolated USB to TTL Adapter is an industrial-grade solution featuring FTDI's FT232RL IC, designed to protect your computer's USB port from damage while providing dual voltage support and essential debugging features. With a protective case and dedicated customer support, this adapter is perfect for professionals seeking reliability and efficiency in their projects.

## Description

SH-U09C3 Isolated USB to TTL Adapter Featuring FTDI FT232RL IC

## Features

- Industrial-grade USB isolation module: ADI's iCoupler signal isolation technology is used to fully protect the computer's USB port from external short-circuit, shock and other damage.
- The main chip is FT232RL from FTDI ,High stability. LED indicator for TX,RX,Power,It is very useful when you are debugging or downloading.
- Protective case: We have installed a protective case for this isolated USB to TTL Converter, which prevents your hands from directly touching the PCB and IC.
- Both 3.3V and 5V Logic TTL are supported. You can switch by jumper.
- Customer Support:Offering permanent technical support and a 1-year product replacement service.All questions will be answered for you within 1 business day

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | DSD TECH |
| Product Dimensions | 4.95 x 1.14 x 0.25 cm; 8.5 g |
| Item model number | SH-U09C3 |
| Manufacturer | DSD TECH |
| Color | Multicoloured |
| Power Source | DC |
| Are Batteries Included | No |
| Item Weight | 8.49 g |

## Product Details

- **Compatible devices:** Desktop
- **Specific uses for product:** PC
- **Connector type:** Serial Adapter
- **Colour:** Multicoloured
- **Item dimensions L x W x H:** 50 x 11 x 3 millimeters

## Images

![DSD TECH SH-U09C3 Isolated USB to TTL Adapter Featuring FTDI FT232RL IC - Image 1](https://m.media-amazon.com/images/I/71Bh4viELVL.jpg)

## Questions & Answers

**Q: Does the converter source its power from the usb or the vcc? if from the usb and the vcc is an "output", does removing the jumper disconnect vcc (0v)?**
A: In the case of USB power supply, when the jumper at 5V VCC 3V3 is removed, the following VCC will not have an output voltage.

**Q: Does it the drive and the module work for macbook ? because after doing research i saw that macbooks usually face problem while interacting with ftdi.**
A: We confirm that this ftdi  adapter work on macbook  . Try it and you will be pleasantly surprised

**Q: how to install the driver?**
A: Please use the following link to download driver:
 
https://www.ftdichip.com/FTDrivers.htm

or google "ftdi ft232"

**Q: What is the maximum baud rate that this supports?**
A: Build-in FTDI FT232RL Chip, max speed is to 3Mb/s  . After testing, we found that data can be transmitted stably below 115200 baud rate.

## Frequently Bought Together

- DSD TECH SH-U09C3 Isolated USB to TTL Adapter Featuring FTDI FT232RL IC
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**Shop now:** [https://www.desertcart.hk/products/276256682-dsd-tech-sh-u09c3-isolated-usb-to-ttl-adapter-featuring](https://www.desertcart.hk/products/276256682-dsd-tech-sh-u09c3-isolated-usb-to-ttl-adapter-featuring)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-08*