Littelfuse 0235.125MXEP - FAST-ACTING GLASS FUSE M-PACK .125EPA. 5x20mm medium-acting glass body fuse designed to UL specification. Features: Designed to UL/CSA/ANCE 248 Standard. Available in cartridge and axial lead format RoHS compliant and lead-free.
Littelfuse

0235.125MXEP

UPC: 079458907803


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Minimum Qty: 1000

Multiplier: 1000

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Overview

The Littelfuse M-PACK 5x20mm fast-acting glass fuse (SKU: 0235.125MXEP) delivers precision overcurrent protection for a wide spectrum of electrical and electronic applications. Engineered to meet UL/CSA/ANCE 248 standards, this 0.125A fuse combines rapid response with robust construction, ensuring reliable circuit defense in demanding environments. The 5x20mm glass body fuse is available in both axial lead and cartridge formats, providing installation flexibility across industrial, commercial, and consumer electronics. Designed for applications requiring fast-acting protection, this fuse is ideal for sensitive circuits where rapid fault interruption is critical. Common use cases include power supplies, transformers, lighting systems, and control panels in sectors such as telecommunications, automotive, renewable energy, and industrial automation. The medium-acting response time balances speed with durability, making it suitable for both low-energy and moderate-surge applications. Key features of the Littelfuse M-PACK series include RoHS compliance and lead-free construction, ensuring environmental responsibility without compromising performance. The glass body offers superior visibility for inspection and durability under thermal cycling, while the axial lead and cartridge designs accommodate diverse mounting requirements. Professionals trust Littelfuse for its decades of expertise in circuit protection, with a global reputation for innovation and reliability in fuse technology. Selecting the right fuse involves matching current rating, response time, and physical dimensions to the application. The 0.125A rating makes this fuse suitable for low-power circuits, while the 5x20mm size ensures compatibility with standard fuse holders. Installation is straightforward, with clear polarity markings and robust terminals for secure connections. For optimal performance, ensure the fuse is rated for the system's voltage and meets the required interrupting capacity. Littelfuse's M-PACK series exemplifies the company's commitment to safety and performance, with products tested to the highest industry standards. Whether protecting sensitive electronics or industrial equipment, this fuse provides the precision and reliability professionals demand. Trust Littelfuse for circuit protection solutions that combine innovation, durability, and compliance with global standards.
  • 0.125A fast-acting fuse for precise overcurrent protection
  • 5x20mm glass body with axial lead or cartridge design
  • Compliant with UL/CSA/ANCE 248 standards for global reliability
  • RoHS compliant and lead-free construction for environmental safety
  • Ideal for industrial, automotive, and consumer electronics applications

Specifications

Application
electronic equipment & appliances
Brand Name
Littelfuse
Connection Type
Axial Lead/Cartridge
Current Rating
0.125 A
Material
Glass
Series
M-PACK
Size
5x20mm
Special Features
Fast-Acting
Standard
UL/CSA/ANCE 248 Standard
Sub Brand
235 Series
Type
5 x 20 mm UL/CSA Fast-Acting
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9F61 Size B Clips 1.6in

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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

Frequently Asked Questions about Littelfuse

What certifications and standards do Littelfuse products comply with?

Littelfuse products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Customers can verify specific product certifications by consulting individual product datasheets on Littelfuse.com, which provide comprehensive details about standards compliance for each component.

What industries and applications are Littelfuse products used for?

Littelfuse products are critical for electrical protection and safety across multiple industrial sectors, including manufacturing, automation, power distribution, and electrical control systems. Their comprehensive product portfolio serves industries that require robust electrical protection, including motor and pump applications, solar installations, programmable logic controllers (PLCs), electrical switch panels, and critical infrastructure environments. Key product lines protect against overcurrent, voltage transients, ground faults, and temperature-related electrical risks, ensuring equipment safety and operational reliability.

What technical support does Littelfuse offer?

Littelfuse offers comprehensive technical support through multiple channels. Their Technical Hotline (800-TEC-FUSE) provides direct access to engineers who can help identify issues and recommend solutions. Additionally, Littelfuse offers extensive online Technical Resources at Littelfuse.com, including datasheets, product manuals, whitepapers, application guides, and online design tools. Their experienced product and application engineers also provide step-by-step support from design to installation.

What are the main product lines offered by Littelfuse?

Littelfuse offers comprehensive industrial protection and control product lines, including fuses, fuse holders, protection relays, temperature sensors, and electrical safety components. Their key product categories span surge protective devices, custom OEM products, electrical switch panels, medium voltage fuses, ground-fault protection relays, motor and pump protection devices, and temperature sensors. These products are designed to minimize electrical safety hazards, limit equipment damage, improve productivity, and safeguard personnel from electrical faults.

What are the key features of Littelfuse products?

Littelfuse products feature exceptional circuit protection technologies with key characteristics including UL/IEC safety standard compliance, low internal resistance, and advanced protective capabilities across multiple product lines. Their components provide critical protection for industrial systems, offering features like overcurrent protection, voltage transient suppression, and resettable protection devices with ultra-low resistance and compact designs. Key product lines include fuses, metal oxide varistors (MOVs), TVS diodes, PolySwitch devices, and specialized electronic protection components that enhance system reliability and safety.

What environmental ratings do Littelfuse products have?

Littelfuse products feature comprehensive environmental ratings, including NEMA Type 1, 2, 3, 3R, 4/4X, 12, and 13 certifications, as well as IP65 protection. These ratings ensure superior protection in diverse industrial environments, with an operating temperature range of -40°F to +131°F (-40°C to +55°C). Many products also include UV-stabilized materials and neoprene gaskets for enhanced durability in outdoor and challenging conditions.

What accessories are available for Littelfuse products?

Littelfuse offers several key accessories across their product lines, including fuse holders, voltage monitoring modules, and terminal connectors. Specific accessories include the LPSM003ZXID (indicating) and LPSM003Z (non-indicating) POWR-SAFE Dead Front fuse holders for Class CC and Midget-Style fuses, the VRM6048 voltage monitor accessory module, and female quick connect terminals (P1015 series) in various wire gauge sizes. These accessories are designed to enhance protection, monitoring, and connectivity for Littelfuse electrical components.

What is Littelfuse's warranty policy?

Littelfuse provides comprehensive warranty details on their official website at www.littelfuse.com/warranty. Customers should visit this page to review the specific warranty terms and conditions for their specific product lines. For direct warranty support or questions, customers can contact Littelfuse Technical Support at 1-800-TEC-FUSE or email [email protected].

What communication protocols do Littelfuse products support?

Littelfuse supports a comprehensive range of industrial communication protocols, including PROFIBUS, PROFINET, EtherNet/IP, DeviceNet, Modbus RTU, and CANopen. Our products provide flexible connectivity solutions across multiple industrial automation platforms, enabling seamless integration with various control systems and network architectures.

How are Littelfuse products typically installed?

Littelfuse products are typically installed using specialized mounting hardware like fuse holders, blocks, and panels designed for specific industrial applications. The POWR-SAFE Dead Front holders, for example, provide optimum protection for Class CC and Midget-Style fuses, supporting installations up to 600 VAC/DC. Installation often involves using precision terminals with strain relief, such as 0.25 in. female quick connect terminals, to ensure secure and safe electrical connections in industrial control systems.