The ACR39T-A5 hails new and modern technology in the world of smart card readers. It is a SIM-sized smart card reader that is small in size but packs a lot of features. Being a compact and powerful smart card reader, the ACR39T-A5 brings together sophisticated technology with modern design to meet rigorous requirements in various smart card–based applications.

The ACR39T-A5 supports ISO 7816 Class A, B, and C smart cards (5 V, 3 V, and 1.8 V) and works well with most memory cards and microprocessor cards with the T=0 and T=1 protocol. It also features a USB Full Speed interface (with USB Type C connector) and a smart card read/write speed of up to 600 Kbps. This makes it ideal for a broad range of solutions, such as Physical and Logical Access Control, Digital Signature, and Online Banking.

The ACR39T-A5 has PC/SC and CCID compliance, making it easy to install and use as it is specifically designed to be integrated into any computer-based environment. Its drivers are compatible with operating systems such as Windows®, Solaris™, Linux®, macOS®. In addition, the ACR39T-A5 may now be used with mobile devices running the Android™ platform with versions 3.1 and later.

With its numerous features, the ACR39T-A5 is clearly the perfect smart card reader for your smart card solution.

PC-Linked USB SIM Card Slot
  • USB 2.0 Full Speed Interface
  • USB Type C Connector
  • Plug and Play – CCID support brings utmost mobility
  • Smart Card Reader:
    • Supports ISO 7816 Class A, B, and C (5 V, 3 V, 1.8 V) cards
    • Supports microprocessor cards with T=0 or T=1 protocol
    • Supports memory cards
    • Supports PPS (Protocol and Parameters Selection)
    • Features Short-Circuit Protection
  • Application Programming Interface:
    • Supports PC/SC
    • Supports CT-API (through wrapper on top of PC/SC)
  • Supports Android™ 3.1 and later
Physical Characteristics
Dimensions (mm) 49.5 mm (L) × 21.5 mm (W) × 9.0 mm (H)
Weight (g) 7 g 
USB Interface
Protocol USB CCID
Connector Type Standard Type C
Power Source From USB Port
Speed USB Full Speed (12 Mbps)
Contact Smart Card Interface
Number of Slots 1 SIM-sized Card Slot
Standard ISO 7816 Parts 1-4, Class A, B, C (5 V, 3 V, 1.8 V)
Protocol T=0; T=1; Memory Card Support
Built-in Peripherals
LED 1 single-color: Green
Certifications/Compliance EN62368/IEC 62368
ISO 7816
USB 2.0 Full Speed
Microsoft® WHQL
Device Driver Operating System Support
Device Driver Operating System Support Windows®
macOS® 10.7 and later
Android™ 3.1 and later Solaris™
Drivers for ACR39T-A5
USB Interface OS Support
MSI Installer for PC/SC Driver  5 MB
Windows® 7 (for users who did not install required Microsoft Windows Updates and get driver signature error (Code 52))
PC/SC Driver Package  3.04 MB
Version 1.1.8
Linux ®
PC/SC Drivers  458 KB
Version 1.1.8
Linux®, Mac OS® X
CT-API Library  2.04 MB
Windows® XP, Windows® Server 2003, Windows® Vista, Windows® Server 2008, Windows® Server 2008 R2, Windows® 7, Windows® 8, Windows 8.1, Windows® Server 2012, Windows® Server 2012 R2, Windows® 10, Windows® 11
CT-API Library  261 KB
Version 1.0.1
Linux®, Mac OS® X 10.5, Mac OS® X10.6, Mac OS® X10.7, Mac OS® X10.8, Mac OS® X10.9
PC/SC Driver Installer  258.98 KB
Mac OS® X 10.6 or above
MSI Installer for PC/SC Driver  3.65 MB
Android EVK  1.56 MB
Version 1.1.6
Android™ 3.1 or above
PC/SC Driver Installer 
Version 1.0.8
Solaris 10, 11 and above

Manuals & Datasheets for ACR39T-A5
Product Presentation

Product Presentation of ACR39 Series Smart Card Reader

Reference Manual

Reference Manual of ACR39 Series Smart Card Reader

Technical Specification

Technical Specification of ACR39T-A5 Smart Card Reader