Andrew
Andrew Content Marketer
On Jul 29, 2025

SMAJ28CA ESD Suppressors / TVS Diodes by TWGMC – High-Performance Circuit Protection for Modern Electronics

The ESD Suppressors / TVS Diodes SMAJ28CA by TWGMC are bidirectional transient voltage suppression devices built to protect sensitive electronic systems from ESD strikes, surge voltages, and lightning-induced transients. With a working voltage of 28V and peak pulse power of 400W, they are ideal for safeguarding communication lines, industrial interfaces, and automotive electronics.

In this blog, we’ll take a closer look at the specifications, key features, real-world use cases, and why Xon Electronics is your reliable source for Circuit Protection, ESD Suppressors / TVS Diodes by TWGMC.


Technical Specifications of SMAJ28CA

  • Manufacturer: TWGMC

  • Part Number: SMAJ28CA

  • Type: TVS Diode – Bidirectional

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

  • Breakdown Voltage: 31.1V to 34.4V

  • Clamping Voltage: 45.4V (max)

  • Peak Pulse Current (IPP): 8.8A

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

  • Package Type: DO-214AC (SMA)

  • Response Time: < 1 picosecond

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

Engineered for high-speed response and long-term reliability, the SMAJ28CA ensures superior defense in compact electronic environments.


Key Features of SMAJ28CA

  • Bidirectional Protection – Secures both positive and negative voltage spikes

  • Fast Reaction Time – Sub-1ps response time to clamp surges instantly

  • Compact SMA Package – Space-efficient design for high-density PCBs

  • High Surge Handling (400W) – Handles demanding transient conditions

  • RoHS Compliant – Environmentally responsible circuit solution

With these features, Circuit Protection, ESD Suppressors / TVS Diodes by TWGMC are trusted across global industries for stability and surge defense.


Applications of SMAJ28CA Diodes

The SMAJ28CA by TWGMC Devices is widely used in:

  • Industrial Control Panels and PLCs

  • Automotive ECUs, sensors, and wiring harnesses

  • RS-485, CAN, and Ethernet ports

  • Consumer Electronics & IoT Modules

  • Power Supply Input Terminals

These Circuit Protection, ESD Suppressors / TVS Diodes by TWGMC offer versatile safeguarding for mission-critical devices and signal integrity.


Wiring and Connection Overview

Standard setup for bidirectional TVS diode protection:

[Signal Line] — [SMAJ28CA] — [Ground]

The diode clamps voltage transients between the signal line and ground.

Integration is quick and secure, with the DO-214AC (SMA) package compatible with automated assembly.


Use Case Scenario: Automotive Sensor Surge Protection

Scenario: A Tier-1 automotive supplier faced recurring failures in wheel speed sensors due to static discharge.

Problem: Harsh road conditions and ESD events damaged sensitive interfaces.

Solution: Engineers integrated the SMAJ28CA from TWGMC into the sensor line.

Result: Enhanced reliability, eliminated ESD failures, and improved component lifespan—solidifying Circuit Protection, ESD Suppressors / TVS Diodes by TWGMC as the best-fit choice.


Download Datasheet for SMAJ28CA

Want detailed specs or certifications?

Download SMAJ28CA Datasheet from Xon Electronics


Why Buy from Xon Electronics?

Get genuine Circuit Protection, ESD Suppressors / TVS Diodes by TWGMC at Xon Electronics with:

  • Verified TWGMC Components
  • Worldwide Delivery – USA, India, Australia, Europe & More
  • Bulk Discounts for OEMs and Distributors
  • Technical Support for Product Selection
  • Safe & Trusted Online Checkout

Explore now at www.xonelec.com and protect your systems with confidence.


Conclusion

The SMAJ28CA ESD Suppressors / TVS Diodes by TWGMC deliver fast, effective, and compact surge protection for high-performance systems. With 400W pulse capability, ultra-fast clamping, and bidirectional response, they’re a key asset in any Circuit Protection, ESD Suppressors / TVS Diodes by TWGMC strategy. Available now at Xon Electronics, shipping globally to USA, India, Australia, Europe, and other regions.


FAQs – SMAJ28CA ESD Suppressors / TVS Diodes by TWGMC

Q1. Is the SMAJ28CA bidirectional?
Yes, it provides symmetrical protection against both polarities of surges.

Q2. How much pulse power can it handle?
It supports 400W peak pulse power in a 10/1000µs waveform.

Q3. Is it suited for automotive electronics?
Definitely. It’s commonly used in ECUs, sensors, and wiring harnesses.

Q4. How fast does it respond to ESD events?
It reacts in under 1 picosecond, providing instant clamping.

Q5. Where can I buy it?
Order from www.xonelec.com with delivery to USA, India, Australia, Europe, and more.




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