SMBJ28A ESD Protection Diodes / TVS Diodes by Littelfuse – Robust 600W Surge Protection for Industrial Electronics

The ESD Protection Diodes / TVS Diodes SMBJ28A by Littelfuse deliver strong, fast-response surge suppression for sensitive electronics exposed to ESD, lightning-induced spikes, and transient surges. As a key part of the Circuit Protection, ESD Protection Diodes / TVS Diodes category, the SMBJ28A ensures reliable clamping performance, fast action, and durable operation in communication, industrial, consumer, and automotive systems.

Available for global delivery at www.xonelec.com.

Technical Specifications of SMBJ28A

• Manufacturer: Littelfuse

• Part Number: SMBJ28A

• Category: ESD Protection Diodes / TVS Diodes

• Polarity: Unidirectional

• Stand-Off Voltage: 28V

• Breakdown Voltage: 31.1V (typical)

• Clamping Voltage: ~45.4V

• Peak Pulse Power: 600W

• Package: DO-214AA (SMBJ)

• Response Time: <1 picosecond

Key Features of SMBJ28A

• Ultra-fast suppression for bold ESD Protection Diodes / TVS Diodes

• 600W peak pulse capability for rugged Circuit Protection

• Unidirectional design for precision clamping

• SMBJ package offers compact, thermally efficient design

• Strong reliability across industrial, telecom, and automotive sectors

• Littelfuse quality ensures long-term performance stability

Applications of SMBJ28A

• Industrial automation and process control

• Communication interfaces (Ethernet, RS-485, CAN, UART)

• Power supplies and SMPS circuits

• Consumer electronics

• Automotive electronics and board-level protection

• Sensitive IC and microcontroller input protection

Wiring and Connection Overview

• SMBJ package supports reflow soldering

• Unidirectional design ensures correct polarity clamping

• Fast response ideal for data and power line protection

• Compact size fits modern Circuit Protection layouts

• A dependable choice for bold ESD Protection Diodes / TVS Diodes designs

Use Case Scenario – Protecting Industrial Communication Ports

Problem: Communication ports in industrial devices often face transient surges and ESD hits that can damage transceivers.
Solution: The SMBJ28A ESD Protection Diodes / TVS Diodes by Littelfuse clamp high-energy voltage spikes before they reach the sensitive circuitry.
Result: Improved system stability, reduced downtime, and strong bold Circuit Protection performance.

Download Datasheet for SMBJ28A

The full datasheet containing electrical, thermal, and clamping specifications is available at XON Electronics.

Also Available from Other Manufacturers

Alternatives to the SMBJ28A are available from:

• SOCAY

• Littelfuse

• Yenji

• Yangjie

• TKS

• Bourns

• Taiwan Semiconductor

• ON Semiconductor

• Vishay

• Formosa

• SEMIWARE

• And more…

These brands support a wide selection of bold Circuit Protection, ESD Protection Diodes / TVS Diodes.

Why Buy SMBJ28A from XON Electronics?

• 100% original Littelfuse components

• Global shipping to USA, India, Australia, Europe & more

• Competitive bulk and wholesale pricing

• Extensive inventory of TVS Diodes and Circuit Protection devices

• Trusted sourcing from x-on electronics

FAQs – SMBJ28A TVS Diode

Q1: What is the peak pulse power rating?
600W.

Q2: Is SMBJ28A unidirectional or bidirectional?
Unidirectional.

Q3: Can it be used for communication ports?
Yes, ideal for protecting RS-485, CAN, Ethernet, and other interfaces.

Q4: What package does it use?
SMBJ (DO-214AA).

Q5: What makes it suitable for ESD protection?
Its ultra-fast clamping response (<1 ps).

Conclusion

The SMBJ28A ESD Protection Diodes / TVS Diodes by Littelfuse provide powerful, fast-acting surge suppression suitable for industrial, automotive, telecom, and consumer markets. As part of the bold Circuit Protection, ESD Protection Diodes / TVS Diodes segment, the SMBJ28A offers excellent reliability and stable clamping performance.
Order today from xon electronics.

SMBJ28A ESD Suppressors / TVS Diodes by SLKORMICRO – Reliable Circuit Protection

The ESD Suppressors / TVS Diodes SMBJ28A by SLKORMICRO are designed to safeguard sensitive electronic circuits against transient voltage events. Built for high-reliability, these Circuit Protection devices protect equipment from electrostatic discharge (ESD), lightning surges, and other voltage spikes. As part of the ESD Suppressors / TVS Diodes category, the SMBJ28A ensures robust protection for consumer, industrial, and automotive electronics.

In this blog, we’ll explore the technical specifications, key features, applications, pin configuration, real-world use case, datasheet link, and why you should buy online at XON Electronics.

1. Technical Specifications of SMBJ28A

• Manufacturer: SLKORMICRO

• Part Number: SMBJ28A

• Type: Transient Voltage Suppression (TVS) Diode

• Stand-off Voltage (Vwm): 28V

• Breakdown Voltage: 31.1V – 33.9V

• Clamping Voltage: 45.4V

• Peak Pulse Current (Ipp): 13.2A

• Peak Pulse Power: 600W

• Polarity: Unidirectional

• Package: SMB (DO-214AA)

• Category: Circuit Protection, ESD Suppressors / TVS Diodes

2. Key Features of SMBJ28A

• 600W peak pulse power capability

• Designed to absorb high-energy ESD and surge events

• Low clamping voltage for effective protection

• Fast response time to transient surges

• Unidirectional polarity for simple integration

• Compact SMB package for space-saving PCB designs

These features make SMBJ28A one of the most dependable ESD Suppressors / TVS Diodes in the Circuit Protection segment.

3. Applications of SMBJ28A

The SMBJ28A ESD Suppressors / TVS Diodes are widely used in:

• Power supply and distribution systems

• Automotive electronics and ECU protection

• Industrial control and automation equipment

• Consumer electronic devices (TVs, set-top boxes, etc.)

• Telecom and data communication systems

• Embedded and IoT devices requiring ESD protection

4. Pin Configuration and Connection Overview

• Cathode (K): Connected to the protected circuit line

• Anode (A): Connected to ground

• Package: SMB surface-mount package for PCB assembly

This configuration ensures efficient surge suppression with minimal board space usage.

5. Use Case Scenario: Industrial Automation Equipment

Scenario: An industrial automation manufacturer required protection for motor controllers exposed to voltage surges.
Problem: Frequent ESD and surge failures led to costly downtime.
Solution: The SMBJ28A provided strong transient voltage protection with 600W peak power handling.
Result: Reduced system failures, increased reliability, and lower maintenance costs.

6. Download Datasheet for SMBJ28A

Download SMBJ28A Datasheet from XON Electronics

7. Why Buy from XON Electronics?

At XON Electronics, we offer genuine SLKORMICRO components including the SMBJ28A with:

• 100% Genuine SLKORMICRO ESD Suppressors / TVS Diodes
• Global Shipping – USA, India, Australia, Europe & more
• Bulk Pricing for OEMs, Engineers & Distributors
• Technical Support for Seamless Integration
• Safe and Secure Online Ordering

8. Also Available from Other Manufacturers

In addition to SLKORMICRO, XON Electronics also offers SMBJ28A or equivalent devices from trusted global manufacturers such as:

• Juxing Electronic Technology

• DIYI

• Liown

• MSKSEMI

• Jingdao

• Taisko

• HXY MOS

• TWGMC

This wide availability ensures engineers can select the right Circuit Protection components for their projects.

9. FAQs – SMBJ28A ESD Suppressors / TVS Diodes

Q1. What is the stand-off voltage of SMBJ28A?
It operates at 28V stand-off voltage.

Q2. What peak power rating does it support?
It supports up to 600W peak pulse power.

Q3. Is SMBJ28A unidirectional or bidirectional?
It is unidirectional.

Q4. Where is it commonly used?
In industrial, automotive, telecom, and consumer electronics.

Q5. Where can I buy SMBJ28A online?
You can order it directly from www.xonelec.com with worldwide shipping.

Conclusion

The SMBJ28A ESD Suppressors / TVS Diodes by SLKORMICRO deliver robust transient voltage protection in a compact SMB package. With 600W surge capability, low clamping voltage, and fast response, they are an ideal choice for protecting sensitive electronics across industrial, automotive, and consumer applications.

Buy it today at XON Electronics for reliable performance and global delivery.