PSR070UL0050Z Specialty Fuses by Littelfuse – Reliable Protection for Sensitive Circuits

The Specialty Fuses PSR070UL0050Z by Littelfuse are designed to deliver precise, fast-acting overcurrent protection in sensitive electronic applications. As part of Littelfuse's PolySwitch Resettable PTC series, these Specialty Fuses combine resettable convenience with compact packaging to protect circuits from overloads and short circuits. Built to comply with stringent safety standards, they are widely used in telecom, computing, automotive, and consumer electronics.

In this blog, we’ll explore the technical features, specifications, wiring, and real-world applications of the PSR070UL0050Z, along with how to order it globally from Xon Electronics.

Technical Specifications of PSR070UL0050Z

• Manufacturer: Littelfuse

• Part Number: PSR070UL0050Z

• Category: Circuit Protection, Fuses, Specialty Fuses

• Device Type: Resettable PTC (Polymeric Positive Temperature Coefficient)

• Hold Current (Ihold): 0.5 A

• Trip Current (Itrip): 1.0 A

• Max Voltage: 60V DC

• Max Time to Trip: 5 seconds at 8A

• Resistance (typical): 0.6 ohms

• Mounting: Surface mount

• Compliance: UL recognized, RoHS, Lead-Free

This compact, resettable fuse is engineered for smart Circuit Protection in compact electronic assemblies and power-sensitive applications.

Key Features of PSR070UL0050Z by Littelfuse

• Resettable Functionality – No replacement needed after fault clearance

• Compact SMD Design – Ideal for space-constrained PCBs

• Wide Compatibility – Suitable for telecom, USB, and automotive circuits

• Fast Trip Response – Protects components from transient faults and overloads

• UL Listed and RoHS Compliant – Meets global safety and environmental standards

These capabilities make it a top performer among resettable Specialty Fuses and key components for Fuses in modern electronics.

Applications of PSR070UL0050Z Specialty Fuse

The PSR070UL0050Z is commonly found in applications such as:

• Telecom and Networking Equipment

• USB Hubs and Charging Circuits

• Automotive Infotainment and Sensor Systems

• Industrial Control Panels

• Medical Devices

• Consumer Electronics (e.g., laptops, game consoles)

For reliable, compact Circuit Protection, this Littelfuse part delivers performance, safety, and resettable convenience.

Wiring and Connection Overview

Installing the PSR070UL0050Z in your circuit is straightforward:

• Mounting Type: Surface-mount device (SMD) for direct PCB soldering

• Polarity: Non-polarized; can be placed in either direction

• Placement: Connect in series with the power line to protect the downstream load

• Recovery: Automatically resets when fault condition is removed and power is cycled

• Clearance: Ensure adequate spacing on board for thermal dissipation

This makes it ideal for integration into compact designs that rely on efficient Fuses and space-saving Specialty Fuses.

Use Case Scenario: USB Hub Overcurrent Protection

Scenario: A consumer electronics brand needed an effective overcurrent solution for their USB hub product line that wouldn’t require manual fuse replacement.

Problem: Traditional fuses were either too bulky or required replacement after each fault.

Solution: They selected the PSR070UL0050Z Specialty Fuses by Littelfuse, which offer fast-acting, self-resetting protection.

Result: Reduced maintenance costs, improved safety, and uninterrupted customer use—thanks to compact, high-reliability Circuit Protection.

Download Datasheet for PSR070UL0050Z

Need detailed specs, mounting drawings, or performance curves?

Download PSR070UL0050Z Datasheet from Xon Electronics

This datasheet offers everything you need to integrate Littelfuse’s Specialty Fuses into your next Circuit Protection design.

Why Buy from Xon Electronics?

Xon Electronics is your trusted supplier of Littelfuse Fuses, including resettable and precision Specialty Fuses, offering:

• 100% Genuine Littelfuse Components
• Worldwide Shipping – USA, India, Australia, Europe & more
• OEM & Engineering Bulk Orders Supported
• Datasheets and Technical Support Included
• Fast, Secure Checkout

Buy now from www.xonelec.com and ensure reliable Circuit Protection for your electronics.

Conclusion

The PSR070UL0050Z Specialty Fuses by Littelfuse offer compact, reliable, and resettable overcurrent protection for sensitive electronic systems. Whether you're designing telecom gear, automotive controls, or USB power circuits, these Fuses provide smart, space-saving Circuit Protection that eliminates the need for fuse replacement.

Now available at Xon Electronics—your global source for Specialty Fuses, resettable Fuses, and advanced Circuit Protection components.

FAQs – PSR070UL0050Z by Littelfuse

Q1. Is the PSR070UL0050Z a resettable fuse?
Yes, it’s a PolySwitch PTC fuse that resets automatically after a fault is cleared.

Q2. What applications is it suitable for?
Ideal for telecom, USB power, automotive, and consumer electronics.

Q3. Can I use this in a surface-mount design?
Yes, it is an SMD fuse designed for direct PCB mounting.

Q4. What’s the maximum voltage it can handle?
It supports up to 60V DC.

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