ProTek Devices is a semiconductor company offering a comprehensive product line of circuit protection devices. Its solutions are extensively used worldwide by household brands and more. Companies use ProTek Devices’ components to deliver enhanced safety and to protect investments they make in their electronics designs, across a myriad of applications. Circuit protection is provided against lightning; electrostatic discharge (ESD); electrical fast transients (EFT), nuclear electromagnetic pulses (NEMP); inductive switching; electromagnetic interference / radio frequency interference (EMI / RFI), and more. ProTek Devices is based in Tempe, Ariz. Sales distributors and representatives are available across North America, Europe, Asia, Latin America, and more.

ProTek Devices Circuit Protection Products

ProTek Devices offers a broad range of circuit protection products designed to protect sensitive electronics from ESD, EFT, surge, lightning and other transient overvoltage events.

TVS Diode Arrays

Compact transient voltage suppression solutions designed to protect sensitive electronic circuits from ESD, EFT and surge events.

Typical Applications:

USB, Ethernet, CAN bus, industrial controls, communications and automotive electronics.

Steering Diode Arrays

Ultra-low-capacitance steering diode solutions that divert transient energy away from sensitive ICs and high-speed signal lines.

Typical Applications:

High-speed data lines, communication interfaces and sensitive I/O ports.

Steering Diode / TVS Arrays

Integrated protection devices combining steering diodes with TVS technology for high-performance transient suppression.

Typical Applications:

HDMI, USB, DVI, Ethernet and other high-speed interfaces.

Chipscale TVS Arrays

Miniature TVS protection devices designed for high-density PCB layouts and space-constrained electronic designs.

Typical Applications:

Portable electronics, compact communications equipment and dense PCB assemblies.

EMI Filter / TVS Arrays

Integrated devices that combine EMI filtering and transient voltage protection in a single compact package.

Typical Applications:

Data interfaces, mobile electronics and noise-sensitive circuitry.

High-Powered Components

High-energy transient suppression products engineered for demanding surge and overvoltage environments.

Typical Applications:

Industrial electronics, power systems, automotive, defense and aerospace systems.

High-Powered Modules

Rugged high-power protection assemblies designed for severe transient and surge conditions.

Typical Applications:

Industrial controls, military systems, transportation and power electronics.

Thyristor Surge Suppressors

Surge protection devices optimized for telecommunications and data communication circuits.

Typical Applications:

Telecom equipment, data communications and communication interfaces.

Featured ProTek Product Families

PESD Series

TVS diode arrays for ESD and transient protection on data lines, CAN bus and other electronic interfaces.

PLR Series

Low-capacitance circuit protection designed for high-speed communication and data interfaces.

PLCDA Series

Multi-line, low-capacitance TVS diode arrays for sensitive data and communication circuits.

PSD Series

High-powered transient voltage suppression solutions for demanding industrial applications.

MAD / PMAD Series

Ultra-low-capacitance steering diode arrays for protecting high-speed signal lines.

DD3K Series

High-powered DSIP TVS arrays designed for robust transient and surge protection.

PHCR Series

High-power circuit protection solutions for industrial, military and aerospace electronics.

SM30KWE Series

30 kW high-power TVS protection for severe transient environments and mission-critical equipment.