---
product_id: 151651022
title: "DSD TECH SH-U09C3 Isolated USB to TTL Adapter Featuring FTDI FT232RL IC"
brand: "dsd tech"
price: "₩48214"
currency: KRW
in_stock: true
category: "Dsd Tech"
url: https://www.desertcart.kr/products/151651022-dsd-tech-sh-u09c3-isolated-usb-to-ttl-adapter-featuring
store_origin: KR
region: South Korea
---

# LED indicators for TX, RX, Power 1A current rating for stable power Industrial-grade USB isolation tech DSD TECH SH-U09C3 Isolated USB to TTL Adapter Featuring FTDI FT232RL IC

**Brand:** dsd tech
**Price:** ₩48214
**Availability:** ✅ In Stock

## Summary

> 🛠️ Power your serial projects with industrial-grade isolation and pro-level reliability!

## 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?** ₩48214 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/151651022-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

- • **Worry-Free Support:** 1-year replacement and expert tech support keep your projects on track
- • **Dual Voltage Flexibility:** Seamlessly switch between 3.3V and 5V TTL logic with a simple jumper
- • **Rock-Solid USB Protection:** ADI iCoupler isolation shields your PC from shorts and shocks
- • **Visual Debugging Made Easy:** Built-in LED indicators keep you informed on data flow and power status
- • **Plug & Debug with Confidence:** FTDI FT232RL chip ensures ultra-stable serial communication

## Overview

The DSD TECH SH-U09C3 is a compact, industrial-grade isolated USB to TTL adapter featuring the trusted FTDI FT232RL IC. It offers robust protection for your computer’s USB port using ADI’s iCoupler isolation technology, supports both 3.3V and 5V logic levels, and includes LED indicators for real-time debugging. Designed for professionals who demand stability and safety, it comes with a protective case and a 1-year warranty backed by dedicated technical support.

## Description

desertcart.com: DSD TECH SH-U09C3 Isolated USB to TTL Adapter Featuring FTDI FT232RL IC : Electronics

## 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: DSD TECH provides permanent technical support and 1 year product replacement service for this Isolated USB to TTL Adapter.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07TS3GPQ1 |
| Best Sellers Rank | #140 in Serial Adapters |
| Brand | DSD TECH |
| Color | Multicoloured |
| Compatible Devices | PC, Laptops |
| Connector Type | usb |
| Current Rating | 1 Amps |
| Customer Reviews | 4.6 4.6 out of 5 stars (138) |
| Finish | Matte |
| Input Voltage | 5 Volts |
| Item Dimensions | 1.95 x 0.45 x 0.1 inches |
| Item Weight | 0.3 Ounces |
| Manufacturer | DSD TECH |
| Mfr Part Number | SH-U09C3 |
| Model Number | SH-U09C3 |
| Number of Items | 1 |
| Number of Ports | 2 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specific Uses For Product | PC |
| UPC | 734678383294 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 year warranty |
| Warranty Type | 1-year warranty |

## Product Details

- **Color:** Multicoloured
- **Compatible Devices:** PC, Laptops
- **Connector Type:** usb
- **Item dimensions L x W x H:** 1.95 x 0.45 x 0.1 inches
- **Specific Uses For Product:** PC

## 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)

## Available Options

This product comes in different **Size** options.

## 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

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-06-29*