Andrew
Andrew Content Marketer
On Jul 28, 2025

SMAJ28CA ESD Suppressors / TVS Diodes by Starsea – Compact, Powerful Protection

In today’s demanding electronic environments, transient voltage spikes can result in data corruption or even permanent component damage. The ESD Suppressors / TVS Diodes SMAJ28CA by Starsea are engineered to provide robust circuit protection in a compact SMA package, perfect for sensitive electronic interfaces across industrial, commercial, and consumer devices.

Designed for bidirectional surge handling and built with durability in mind, ESD Suppressors / TVS Diodes by Starsea are the go-to solution for engineers looking to ensure device longevity and system reliability.


Technical Specifications

  • Manufacturer: Starsea

  • Part Number: SMAJ28CA

  • Function: Transient Voltage Suppression

  • Category: Circuit Protection

  • Polarity: Bidirectional

  • Reverse Standoff Voltage (Vr): 28V

  • Breakdown Voltage (Vbr): 31.1V – 34.4V

  • Clamping Voltage (Vc): 45.4V max

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

  • Package: DO-214AC (SMA)

  • Mounting Type: Surface Mount

  • RoHS Compliance: Yes

These ESD Suppressors / TVS Diodes by Starsea are ideal for protecting I/O lines, data buses, and power lines in harsh environments.


Key Features

  • High reliability and fast response

  • Compact surface-mount DO-214AC (SMA) design

  • Bidirectional voltage clamping

  • 400W peak pulse power capability

  • RoHS-compliant and lead-free

Choose SMAJ28CA ESD Suppressors / TVS Diodes by Starsea when your circuits demand superior, space-saving circuit protection.


Applications

  • Consumer electronics

  • Power adapters

  • USB/RS-232/RS-485 ports

  • Industrial controllers

  • Telecom equipment

Thanks to their robust protection and high-speed clamping action, ESD Suppressors / TVS Diodes by Starsea offer unmatched value across these application areas.


Case Example

Problem: An embedded control system was experiencing frequent resets and port failures due to electrostatic discharges from handling and environment.
Solution: Integrating SMAJ28CA ESD Suppressors / TVS Diodes by Starsea reduced these incidents by over 80%, boosting product reliability and reducing field service calls.


Download Datasheet

[Click to Download the SMAJ28CA Datasheet – Starsea]


Why Buy from Xonelec?

  • 100% original ESD Suppressors / TVS Diodes by Starsea

  • Ships globally to USA, India, Australia, Europe & more

  • Secure online checkout and fast delivery

  • Great for both design and production phases

  • Visit www.xonelec.com


Conclusion

When choosing a compact yet powerful surge suppression solution, SMAJ28CA ESD Suppressors / TVS Diodes by Starsea rise to the occasion. With reliable performance and wide compatibility, these diodes ensure your devices are safe, always.


Frequently Asked Questions

Q1: Can this diode protect bidirectional signals?
Yes, the bidirectional configuration makes it ideal for AC signals and data lines.

Q2: Is the SMAJ28CA RoHS compliant?
Absolutely. It is lead-free and RoHS compliant.

Q3: What is its pulse power capability?
It supports 400W peak pulse power for transient protection.

Q4: Can I use it in communication ports like RS-485?
Yes, it's designed for USB, RS-232, and RS-485 port protection.

Q5: Is it suitable for international applications?
Yes, and it is available for delivery to USA, India, Australia, Europe, and other countries through Xonelec.




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