Andrew
Andrew Content Marketer
On Jul 29, 2025

SMAJ28CA ESD Suppressors / TVS Diodes by Yenji – Reliable Circuit Protection for High-Performance Electronics

The ESD Suppressors / TVS Diodes SMAJ28CA by Yenji are bidirectional transient voltage suppressor devices designed to protect sensitive electronic components from electrostatic discharge (ESD), lightning surges, and other high-energy transients. Engineered with a 28V stand-off voltage and 400W peak pulse power capacity, these diodes are well-suited for industrial, automotive, and consumer electronics applications.

This blog provides an overview of their features, technical specifications, application use cases, and why professionals rely on Circuit Protection, ESD Suppressors / TVS Diodes by Yenji for high-reliability protection.


Technical Specifications of SMAJ28CA

  • Manufacturer: Yenji

  • Part Number: SMAJ28CA

  • Type: Bidirectional TVS Diode

  • Reverse Stand-Off Voltage (VR): 28V

  • Breakdown Voltage (VBR): 31.1V to 34.4V

  • Clamping Voltage (VC): 45.4V Max

  • Peak Pulse Current (IPP): 8.8A

  • Peak Pulse Power (PPP): 400W (10/1000µs waveform)

  • Package: DO-214AC (SMA)

  • Response Time: < 1 picosecond

  • Category: Circuit Protection, ESD Suppressors / TVS Diodes by Yenji

These diodes deliver fast, reliable protection in a compact form factor that meets global safety and performance standards.


Key Features of SMAJ28CA

  • Bidirectional ESD Protection – Ideal for balanced lines and AC signals

  • 400W Peak Pulse Power – Excellent surge absorption capability

  • Ultra-Fast Response Time – Clamps surges in less than 1ps

  • Compact SMA Footprint – Space-saving design for dense PCB layouts

  • RoHS Compliant – Safe, eco-friendly, and globally certified

These features make Circuit Protection, ESD Suppressors / TVS Diodes by Yenji a trusted component in high-performance designs.


Applications of SMAJ28CA

SMAJ28CA by Yenji Devices is widely used in:

  • Industrial Controls and PLCs

  • Automotive ECUs, sensors, and bus systems

  • RS-485, CAN, USB, and Ethernet interfaces

  • Power Supply Inputs and Inverters

  • Telecom and Data Communication Equipment

For engineers seeking robust and compact protection, Circuit Protection, ESD Suppressors / TVS Diodes by Yenji are a top-tier choice.


Wiring and Connection Overview

Typical wiring for bidirectional protection:

[Signal Line] —? [SMAJ28CA] —? [Ground]

The diode is placed between the signal or power line and ground to shunt high-energy spikes safely and quickly.


Use Case Scenario: Industrial CAN Bus Surge Defense

Scenario: A control panel manufacturer needed to protect CAN communication lines exposed to environmental surges.

Problem: Surges caused by inductive loads were damaging interface ICs.

Solution: They installed SMAJ28CA ESD Suppressors / TVS Diodes by Yenji across CAN lines for reliable surge absorption.

Result: Elimination of interface failures and increased system uptime, validating Circuit Protection, ESD Suppressors / TVS Diodes by Yenji as a trusted safeguard.


Download Datasheet for SMAJ28CA

Want full technical details, certifications, or layout guidelines?

Download the SMAJ28CA Datasheet from Xon Electronics


Why Buy from Xon Electronics?

Order Circuit Protection, ESD Suppressors / TVS Diodes by Yenji from Xon Electronics for guaranteed quality and:

  • 100% Authentic Yenji Components
  • Worldwide Delivery – USA, India, Australia, Europe & More
  • Bulk Order Discounts
  • Application & Integration Support
  • Fast, Secure Checkout Process

Explore SMAJ28CA and more at www.xonelec.com


Conclusion

The SMAJ28CA ESD Suppressors / TVS Diodes by Yenji provide essential surge protection in compact, fast-responding form factors. With bidirectional protection, 400W power handling, and RoHS compliance, these diodes are ideal for modern circuit designs. Choose Circuit Protection, ESD Suppressors / TVS Diodes by Yenji and buy confidently from Xon Electronics—now shipping to the USA, India, Australia, Europe, and other countries.


FAQs – SMAJ28CA TVS Diodes by Yenji

Q1. What is the diode’s main function?
It suppresses voltage spikes and ESD surges on data and power lines.

Q2. Is SMAJ28CA bidirectional?
Yes, it offers symmetrical protection for both polarities.

Q3. What’s the surge rating of this diode?
It handles 400W peak pulse power per 10/1000µs waveform.

Q4. Can this be used in automotive circuits?
Yes, it's widely used in automotive data lines and ECUs.

Q5. Where can I order this product globally?
Buy from www.xonelec.com, with delivery to USA, India, Australia, Europe, and more.




Looking for help? Visit our FAQ's Section to answer to all your questions

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
 

Copyright ©2025  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted AS9120 Certified