Andrew
Andrew Content Marketer
On May 26, 2025

189140.20 Surface Mount Fuses by Siba – Compact Circuit Protection for Precision Electronics

The Surface Mount Fuses 189140.20  by Siba are ultra-reliable protection components designed for safeguarding sensitive electronic circuits. With fast-acting characteristics and compact SMT packaging, these fuses are widely used in industrial control units, telecom systems, medical devices, and precision instrumentation. Known for high rupture capacity and stable performance, the Surface Mount Fuses by Siba are ideal for environments where space-saving and reliability are paramount.

In this blog, we’ll explore the technical specifications, standout features, typical applications, soldering configuration, a real-world use case, and how to download the datasheet or purchase from Xon Electronics.


Technical Specifications of 189140.20 Fuse

  • Manufacturer: Siba

  • Part Number: 189140.20

  • Type: Surface Mount Fuse

  • Rated Current: 0.2A

  • Rated Voltage: 125V AC/DC

  • Breaking Capacity: 100A at 125V

  • Response Time: Fast Acting

  • Mounting Type: Surface Mount (SMD)

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

  • Body Dimensions: Approx. 6.1mm × 2.7mm

  • Category: Circuit Protection, Surface Mount Fuses by Siba

These specifications make the 189140.20 fuse ideal for precise and compact circuit protection in demanding environments.


Key Features of 189140.20 Fuse

  • Fast Acting Response – Protects sensitive circuits from current surges

  • High Interrupting Rating – Up to 100A at 125V ensures durability in fault conditions

  • Compact SMT Package – Perfect for dense PCB layouts and automated assembly

  • Wide Operating Temperature Range – Ensures stability under harsh conditions

  • RoHS Compliant – Environmentally safe and regulation-compliant

These robust attributes establish the 189140.20 Surface Mount Fuses by Siba as a leading choice in precision electronic protection.


Applications of 189140.20 Surface Mount Fuse

The Surface Mount Fuses by Siba are trusted across industries where small form-factor and dependable performance are critical:

  • Industrial Process Control Systems

  • Telecom Base Stations and Equipment

  • Medical Imaging and Monitoring Devices

  • Consumer Electronics

  • Battery-Operated Instruments

  • Precision Power Supplies

Their compact size and excellent reliability make them suitable for both high- and low-volume OEM designs.


Mounting & Connection Overview

The 189140.20 fuse is designed for reflow soldering on standard SMT pads. A typical layout includes:

  • Mounting Pads: 6.1mm x 2.7mm footprint

  • Orientation: Non-polarized – can be mounted in either direction

  • Soldering Method: Lead-free reflow recommended at 260°C peak

Proper PCB pad design and placement are essential to maintain electrical and thermal integrity.


Use Case Scenario: Protecting Medical Signal Processing Units

Scenario: A medical device manufacturer needed compact overcurrent protection for their signal processing module.

Problem: Traditional fuses were too large and lacked the required response speed.

Solution: Engineers implemented the 189140.20 Surface Mount Fuses by Siba, ensuring minimal board impact and precise circuit protection.

Result: Improved device reliability, reduced false trips, and streamlined assembly.

This real-world case highlights why Surface Mount Fuses by Siba are a preferred choice in compact, life-critical systems.


Download Datasheet for 189140.20

Looking for detailed specs or mounting guidelines?

Download the 189140.20 Datasheet from Xon Electronics
(Insert product link when available)


Why Buy from Xon Electronics?

Get authentic Surface Mount Fuses by Siba from a trusted global distributor:

  • 100% Genuine Siba Components
  • Global Shipping – USA, India, Australia, Europe & more
  • Bulk Pricing for OEMs and Design Houses
  • Expert Technical Support
  • Secure Online Ordering

Order now from www.xonelec.com and protect your circuit designs with confidence.


Conclusion

The 189140.20 Surface Mount Fuses by Siba offer a compact, fast-acting, and reliable solution for modern electronic protection. With robust specs and a trusted brand behind them, these fuses deliver maximum safety with minimal footprint. Available now at Xon Electronics with worldwide shipping and integration support.


FAQs – 189140.20 Surface Mount Fuse

Q1. What is the rated current and voltage of this fuse?
It’s rated at 0.2A, 125V AC/DC.

Q2. Is this fuse suitable for fast response applications?
Yes, it is a fast-acting fuse ideal for protecting sensitive circuits.

Q3. What’s the breaking capacity of the 189140.20?
It can interrupt up to 100A at 125V.

Q4. Can it be used in medical devices?
Absolutely. It’s ideal for medical electronics due to its precision and reliability.

Q5. Where can I purchase this component globally?
You can buy it from www.xonelec.com, with shipping to USA, India, Australia, Europe, and more.




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