7/29/2025 4:05:28 AM   By  Andrew  in

SMAJ28CA ESD Suppressors / TVS Diodes by TECH PUBLIC – Compact, Reliable Surge Defense

As electronic systems become more compact and more sensitive to electrostatic discharge (ESD), the need for robust protection is greater than ever. ESD Suppressors / TVS Diodes SMAJ28CA by TECH PUBLIC are an ideal solution for engineers and designers looking for high-performance, space-saving protection components that meet global safety and reliability standards.


Product Overview

SMAJ28CA ESD Suppressors / TVS Diodes by TECH PUBLIC are bidirectional transient voltage suppression (TVS) devices designed to safeguard sensitive electronics from high-energy voltage spikes. Housed in a DO-214AC (SMA) surface-mount package, these diodes are capable of clamping transient voltages to safe levels in microseconds.

Engineered to perform in harsh environments, these components are a key part of the circuit protection portfolio by TECH PUBLIC.


Key Specifications

  • Manufacturer: TECH PUBLIC

  • Product: SMAJ28CA

  • Type: Bidirectional TVS Diode

  • Reverse Stand-Off Voltage: 28V

  • Breakdown Voltage Range: 31.1V – 34.4V

  • Clamping Voltage: 45.4V max

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

  • Package: DO-214AC (SMA)

  • Mounting Type: Surface Mount

  • Compliance: RoHS


Features & Benefits

  • Rapid response time protects delicate components

  • 400W peak pulse power rating

  • Space-saving SMA package design

  • Bidirectional voltage clamping

  • Ideal for use in data and signal line protection

These benefits make ESD Suppressors / TVS Diodes by TECH PUBLIC a trusted component in various global applications requiring top-tier circuit protection.


Applications

  • Power supply input protection

  • Ethernet and USB ports

  • RS-232/RS-485 communication lines

  • Embedded control systems

  • Telecom infrastructure equipment

Wherever ESD and surge threats exist, SMAJ28CA ESD Suppressors / TVS Diodes by TECH PUBLIC provide the first line of defense.


Use Case Scenario

A telecom equipment manufacturer experienced failure in power interface modules due to voltage spikes. After integrating SMAJ28CA ESD Suppressors / TVS Diodes by TECH PUBLIC, system reliability increased by 80%, with zero component failure during subsequent testing.


Download the Datasheet

Insert datasheet link for TECH PUBLIC SMAJ28CA


Why Buy from Xonelec?

  • 100% authentic TECH PUBLIC products

  • Fast shipping to USA, India, Australia, Europe, and worldwide

  • Competitive pricing

  • Reliable customer service & return policies


Conclusion

Protect your circuits with confidence using SMAJ28CA ESD Suppressors / TVS Diodes by TECH PUBLIC. With a 400W power rating and compact design, they are the ideal choice for robust, cost-effective circuit protection across industries.


FAQs

Q1: What voltage rating do these diodes support?
They support a reverse stand-off voltage of 28V and a clamping voltage of 45.4V.

Q2: Are these devices RoHS compliant?
Yes, they are fully compliant with RoHS standards.

Q3: Do they offer protection in both directions?
Yes, these are bidirectional TVS diodes.

Q4: Can I get these delivered globally?
Yes, Xonelec ships ESD Suppressors / TVS Diodes by TECH PUBLIC to the USA, India, Australia, Europe, and other countries.


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