SMAJ28CA ESD Suppressors / TVS Diodes by Weida Semiconductor – Compact Circuit Protection for Harsh Conditions
The ESD Suppressors / TVS Diodes SMAJ28CA by Weida Semiconductor are robust bidirectional protection components engineered to absorb voltage surges, electrostatic discharge (ESD), and other transient events that could otherwise damage sensitive electronics. With a 28V stand-off voltage and 400W peak pulse power capability, this device is ideal for automotive electronics, industrial interfaces, and power line protection.
In this blog, we'll explore the detailed specifications, essential features, applications, real-world use cases, and the benefits of ordering from Xon Electronics—your trusted global distributor of Circuit Protection, ESD Suppressors / TVS Diodes by Weida Semiconductor.
Technical Specifications of SMAJ28CA
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Manufacturer: Weida Semiconductor
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Part Number: SMAJ28CA
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Type: TVS Diode – Bidirectional
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Reverse Stand-Off Voltage (VR): 28V
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Breakdown Voltage (VBR): 31.1V–34.4V
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Clamping Voltage (VC): 45.4V Max
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Peak Pulse Current (IPP): 8.8A
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Peak Pulse Power (PPP): 400W (10/1000µs waveform)
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Response Time: Less than 1 picosecond
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Package Type: DO-214AC (SMA)
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Category: Circuit Protection, ESD Suppressors / TVS Diodes by Weida Semiconductor
These components are compact yet powerful, delivering fast, bidirectional protection with high reliability.
Key Features of SMAJ28CA
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High Surge Capability (400W) – Protects against lightning and industrial transients
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Bidirectional Design – Simplifies protection on AC or bidirectional signal lines
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Ultra-Fast Response – Clamps harmful voltages in under 1ps
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DO-214AC SMA Package – Space-saving footprint for modern PCB layouts
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RoHS Compliant – Lead-free and environmentally friendly
Thanks to these features, Circuit Protection, ESD Suppressors / TVS Diodes by Weida Semiconductor are widely chosen across multiple industries.
Applications of SMAJ28CA Diodes
The SMAJ28CA by Weida Semiconductor is used in a range of protective applications:
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Industrial Automation and Control Systems
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Automotive ECUs, CAN Bus Lines
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Communication Interfaces (RS-232, RS-485, USB)
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LED Drivers and Power Supplies
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Consumer Electronics and Embedded Systems
Engineers turn to Circuit Protection, ESD Suppressors / TVS Diodes by Weida Semiconductor to prevent voltage-induced failures in these mission-critical applications.
Wiring and Connection Overview
Typical wiring for SMAJ28CA diode:
[Signal Line] --- [SMAJ28CA] --- [Ground]
Install the diode across the protected signal path to clamp surge voltages and redirect excess energy to ground safely. Its bidirectional nature makes it suitable for symmetric signal environments.
Use Case Scenario: Industrial Power Line Protection
Scenario: A manufacturing company experienced repeated failures in its PLCs due to voltage spikes during power fluctuations.
Problem: Standard components lacked fast response and high clamping power.
Solution: The SMAJ28CA ESD Suppressors by Weida Semiconductor were added to input lines.
Result: Improved surge protection, fewer field failures, and longer equipment life—making Circuit Protection, ESD Suppressors / TVS Diodes by Weida Semiconductor the preferred option for reliability and durability.
Download Datasheet for SMAJ28CA
Need full technical documentation or compliance info?
Download the SMAJ28CA Datasheet from Xon Electronics
Why Buy from Xon Electronics?
Order your genuine Circuit Protection, ESD Suppressors / TVS Diodes by Weida Semiconductor through Xon Electronics and enjoy:
- 100% Authentic Weida Semiconductor Parts
- Global Shipping – USA, India, Australia, Europe & More
- Volume Discounts for OEMs and Distributors
- Dedicated Technical Support
- Secure Checkout with Fast Processing
Start sourcing now at www.xonelec.com
Conclusion
The SMAJ28CA ESD Suppressors / TVS Diodes by Weida Semiconductor deliver powerful surge protection in a compact design—ideal for today’s space-constrained, high-speed electronics. With 400W peak power handling and rapid response, it remains a top choice in Circuit Protection, ESD Suppressors / TVS Diodes by Weida Semiconductor. Available globally via Xon Electronics with fast delivery to USA, India, Australia, Europe, and beyond.
FAQs – SMAJ28CA TVS Diodes by Weida Semiconductor
Q1. What type of protection does SMAJ28CA offer?
It offers bidirectional transient voltage suppression for surge and ESD protection.
Q2. What is the peak pulse power rating?
It can absorb up to 400W under a standard 10/1000µs waveform.
Q3. Is it suitable for automotive applications?
Yes, it's ideal for automotive ECUs, sensor lines, and data communication interfaces.
Q4. How fast does it respond?
It clamps transients in under 1 picosecond.
Q5. Can I buy this globally?
Yes, it’s available at www.xonelec.com with worldwide shipping including USA, India, Australia, Europe, and other countries.