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🛠️ Power your projects with isolated precision and never miss a byte!
The DSD TECH SH-U09C3 is a compact, industrial-grade isolated USB to TTL adapter featuring the reliable 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 data transmission monitoring. Designed with a protective case and backed by a 1-year warranty plus lifetime support, it’s the go-to tool for professionals demanding stable, safe, and efficient serial communication.









| Asin | B07TS3GPQ1 |
| Best Sellers Rank | #61,346 in Computers (See Top 100 in Computers) #167 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 (134) 4.6 out of 5 stars |
| Finish | Matte |
| Input Voltage | 5 Volts |
| Item Dimensions | 50 x 11 x 3 millimeters |
| 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 |
| Specific Uses For Product | PC |
| Unit Count | 1 Count |
| Upc | 734678383294 |
| Warranty Type | Limited |
User
Satisfactory
Works as expected, no problems encountered so far.
User
isolateur USB-ttl fiable et simple à utiliser sous tous OS
Quand on cherche une liaison USB-ttl fiable, ce composant a une bonne puce FTDI, avec driver compatible windows même >10, linux ubuntu, mac, et il est isolé, donc plus de pb de CEM et tension secondaire disponible. Attention, il y a plusieurs versions chez le fabricant. Ca m'a sauvé pour faire fonctionner un appareil et le PC, car sinon les deux plantaient avec un câble non isolé.Je crois que ça existe aussi chez ce fabricant en version USB-UART, les signaux UART étant inversé par rapport à ttl, mais en 3 ou 5V contrairement au RS232 en -12/+12V.
User
Works without issues
Used on victron ve direct. Would be nice to turn off the LED power and data indicators but not essential. Not checked the maximum data rate, works well at the lower end.
User
Protection of isolation
Very good. Auto driver in win11 with protection of isolation. Worth of money
User
Muy contento
He probado varios y este es el único que me funcionó.
Trustpilot
2 months ago
1 month ago