Andrew
Andrew Content Marketer
On Oct 13, 2025

SP721APP ESD Protection Diodes / TVS Diodes by Littelfuse – Reliable Circuit Protection

The ESD Protection Diodes / TVS Diodes SP721APP by Littelfuse provide superior protection against electrostatic discharge (ESD) and transient voltage spikes, ensuring reliable circuit performance and long-term durability. As part of Littelfuse’s trusted protection devices lineup, these SP721APP ESD Protection Diodes / TVS Diodes by Littelfuse are designed for sensitive electronic systems across industrial, automotive, and consumer applications.

In this blog, we’ll explore their specifications, features, key applications, design integration, and real-world usage, along with why Xon Electronics is your global destination for authentic Littelfuse components.


Technical Specifications of SP721APP

  • Manufacturer: Littelfuse

  • Part Number: SP721APP

  • Type: SP721APP ESD Protection Diodes / TVS Diodes by Littelfuse

  • Category: Circuit Protection Devices

  • Technology: ESD and Transient Voltage Suppression (TVS)

  • Channels: 8

  • Breakdown Voltage: 6V (typical)

  • Clamping Voltage: 15V

  • Capacitance: 3.5 pF per channel

  • Leakage Current: 10 nA (max)

  • Package Type: 16-Pin SOIC

  • Operating Temperature Range: -55°C to +125°C


Key Features of SP721APP

  • Advanced SP721APP ESD Protection Diodes / TVS Diodes by Littelfuse for robust circuit protection

  • 8-channel integrated design for multi-line defense

  • Low capacitance ensuring high-speed data integrity

  • Excellent ESD protection exceeding IEC 61000-4-2 standards

  • Compact SOIC package for space-constrained PCB designs

These SP721APP ESD Protection Diodes / TVS Diodes by Littelfuse prevent costly component damage and signal disruptions in sensitive circuits.


Applications of SP721APP

The SP721APP ESD Protection Diodes / TVS Diodes by Littelfuse are ideal for:

  • Communication Ports (RS-232, RS-485, USB, Ethernet)

  • Industrial Control Systems

  • Consumer Electronics

  • Automotive Electronics

  • Data Acquisition and Measurement Systems

These Littelfuse devices are a top choice for engineers seeking reliable surge and transient protection across high-speed data lines.


Design and Integration Overview

  • Mounting Type: Surface-mount for easy PCB integration

  • Function: Protects up to 8 data or I/O lines simultaneously

  • Performance: Ensures low clamping voltage and high surge immunity

The SP721APP ESD Protection Diodes / TVS Diodes by Littelfuse provide robust defense against transient voltage events, improving system longevity and reliability.


Use Case Scenario: Industrial Data Interface Protection

Scenario: An automation company faced frequent data line failures due to ESD surges.
Problem: Existing diodes couldn’t protect multiple channels simultaneously.
Solution: The SP721APP ESD Protection Diodes / TVS Diodes by Littelfuse delivered comprehensive 8-line protection with low leakage and high speed.
Result: Reduced downtime, lower maintenance costs, and enhanced equipment reliability.


Download Datasheet for SP721APP

Need detailed electrical characteristics and application data?

Download the SP721APP ESD Protection Diodes / TVS Diodes by Littelfuse Datasheet from Xon Electronics.


Why Buy from Xon Electronics?

At Xon Electronics, we provide genuine Littelfuse products, including the SP721APP ESD Protection Diodes / TVS Diodes by Littelfuse, with:

  • 100% Authentic Littelfuse Components
  • Worldwide Shipping – USA, India, Australia, Europe & more
  • OEM & Distributor Bulk Pricing
  • Engineering and Application Support
  • Safe and Reliable Online Ordering

Order now from www.xonelec.com for industry-leading Circuit Protection and ESD / TVS Diode Solutions.


Conclusion

The SP721APP ESD Protection Diodes / TVS Diodes by Littelfuse combine high performance, low capacitance, and multi-line protection, making them perfect for safeguarding sensitive electronics. With reliable ESD suppression and transient protection, these Littelfuse components are essential in modern high-speed circuits. Available now at Xon Electronics with worldwide delivery.


FAQs – SP721APP ESD Protection Diodes / TVS Diodes

Q1. How many channels does the SP721APP protect?
It protects up to 8 signal or data lines.

Q2. What is the clamping voltage?
Typically around 15V, providing strong transient suppression.

Q3. What makes this Littelfuse device unique?
Low capacitance and high-speed multi-channel ESD protection.

Q4. What are common applications?
Communication ports, industrial systems, and automotive electronics.

Q5. Where can I buy it globally?
From www.xonelec.com, shipping to USA, India, Australia, Europe, and other countries.




Looking for help? Visit our FAQ's Section to answer to all your questions

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
 

Copyright ©2025  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted AS9120 Certified