10/13/2025 8:30:54 AM   By  Andrew  in

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.




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