industry news
Subscribe Now

ProTek Devices Debuts ESD Protection Diode for Automotive CAN Bus Lines

TEMPE, Ariz. – May 12, 2014 – ProTek Devices has introduced a new electrostatic discharge (ESD) protection diode designed for circuit protection in automotive controller area network (CAN) bus lines and other automotive applications. The PESD1CAN is able to provide ESD circuit protection of > 25 kilovolts for a CAN_HI and CAN_LO bus line. It also provides overvoltage circuit protection against other electrical fast transients (EFT). 

The PESD1CAN has a rated stand-off voltage of 24 volts, minimum breakdown voltage of 25.4 volts, and maximum clamping voltage of 70 volts. The new diode is compatible with various IEC standards that include 61000-4-2 (ESD): air 15kV, contact 8kV; 61000-4-4 (EFT): 40A, 5/50ns; and 61000-4-5 (surge): 3A, 8/20 micro seconds. The PESD1CAN features 200 watts peak pulse power per line for a typical 8/20 micro second waveshape. It also boasts a low clamping voltage, low capacitance and low leakage current of 0.05 microamperes. The PESD1CAN is also RoHS and REACH compliant.

It is provided in a molded JEDEC SOT-23 package with an approximate weight of only eight milligrams. It has lead-free pure-tin plating (annealed) and a solder reflow temperature (pure-tin – Sn, 100) of 260-270 degrees Celsius. The flammability rating is UL 94V-0. 

Pricing and Availability

ProTek Devices’ PESD1CAN ESD circuit protection diode is now available in mass quantities. Pricing starts at around $0.10 per part in minimum quantities of 3,000 units. It’s available in 8mm tape and reel, per EIA standard 481. A data sheet for the PESD1CAN can be download from the ProTek Devices website.  

About ProTek Devices

In business more than 20 years, ProTek Devices™ is a privately held semiconductor company. The company offers a product line of overvoltage protection and overcurrent protection components. These include transient voltage suppressor arrays (TVS arrays), avalanche breakdown diodes, steering diode TVS arrays, PPTC devices, and electronics SMD chip fuses. These components deliver circuit protection in various electronic systems against lightning; electrostatic discharge (ESD); nuclear electromagnetic pulses (NEMP); inductive switching; and electromagnetic interference / radio frequency interference (EMI / RFI). ProTek Devices also offers high performance interface and linear products. They include analog switches; multiplexers; LED drivers; LED wafer die for ESD protection; audio control ICs; RF and related high frequency products. The company maintains its headquarters in Tempe, Ariz. More information is available at http://www.protekdevices.com.

 

Leave a Reply

featured blogs
May 6, 2026
Hollywood has struck gold with The Lord of the Rings and Dune'”so which sci-fi and fantasy books should filmmakers tackle next?...

featured paper

Want early design analysis without simulation?

Sponsored by Siemens Digital Industries Software

Traditional verification methods are failing today's complex IC designs, which require a proactive, early-stage analysis approach. A shift-left methodology addresses IP block integration challenges and the limitations of traditional simulation and ERC tools. Insight Analyzer detects hard-to-find leakage issues across power domains, enabling early analysis without full simulation. Identify inefficiencies earlier to reduce rework, improve reliability, and enhance power performance.

Click to read more!

featured chalk talk

Analog Output, Isolated Current, & Voltage Sensing Using Isolation Amplifiers
Sponsored by Mouser Electronics and Vishay
In this episode of Chalk Talk, Simon Goodwin from Vishay and Amelia Dalton chat about analog output, and isolated current and voltage sensing using isolation amplifiers. Simon and Amelia also explore the fundamental principles of current and voltage sensing and the variety of voltage and current sensing solutions offered by Vishay that can get your next design up and running in no time.
Apr 27, 2026
9,632 views