Littelfuse 0239.150MXEP - SLO-BLO GLASS BODY M-PACK .150A AXIAL. 5x20mm time-Lag glass body cartridge fuse designed to JL specification. Features: Designed to UL/CSA/ANCE 248 Standard. Available in cartridge and axial lead format RoHS compliant and lead-free.
Littelfuse

0239.150MXEP

UPC: 079458121247


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Overview

The Littelfuse SLO-BLO 0239.150MXEP is a high-performance, 5x20mm glass body cartridge fuse engineered to provide robust and reliable overcurrent protection in a wide array of industrial and electronic applications. Manufactured by Littelfuse, a globally recognized leader in circuit protection, this specific model, SKU 0239.150MXEP, is designed to meet stringent UL, CSA, and ANCE 248 standards, ensuring compliance and safety for critical systems. Its time-lag (slow-blow) characteristic makes it ideal for circuits that experience temporary inrush currents, such as those found in power supplies, motor controls, and electronic equipment, without nuisance tripping. This prevents unnecessary downtime while still offering essential protection against sustained overloads and short circuits. The 0.150A rating signifies its precise current interruption capability, making it suitable for sensitive electronic components and low-power circuits where accurate protection is paramount. The axial lead format of the 0239.150MXEP facilitates easy integration into printed circuit boards (PCBs) and other electronic assemblies, allowing for straightforward installation and secure connections. The durable glass body construction not only provides excellent visibility of the fuse element for quick inspection but also offers superior resistance to environmental factors, ensuring consistent performance even in challenging operating conditions. This fuse is also RoHS compliant and lead-free, aligning with modern environmental regulations and the growing demand for sustainable electronic components. Key features and benefits of the Littelfuse 0239.150MXEP include: * **Precision Time-Lag Protection:** Engineered to withstand temporary inrush currents while reliably interrupting sustained overloads, safeguarding sensitive equipment. * **UL/CSA/ANCE 248 Compliance:** Adheres to rigorous international safety and performance standards, providing confidence in its protective capabilities. * **Durable Glass Body:** Offers excellent visibility and resistance to environmental stress, ensuring long-term reliability. * **Axial Lead Configuration:** Designed for easy and secure mounting on PCBs and in various electronic assemblies. * **RoHS Compliant & Lead-Free:** Meets environmental directives for a safer and more sustainable product. Professionals in fields such as telecommunications, industrial automation, consumer electronics, and medical devices rely on Littelfuse fuses for their unwavering quality and performance. The 0239.150MXEP is a testament to this commitment, offering a dependable solution for applications requiring precise current sensing and interruption. Its 5x20mm form factor is a widely adopted standard, ensuring compatibility with a vast range of fuse holders and equipment designs. When selecting a fuse, engineers and technicians consider factors like current rating, voltage rating, interrupt capacity, and time-current characteristics. The SLO-BLO series, and specifically the 0239.150MXEP, excels in providing the necessary time-lag behavior for applications where startup surges are common, thereby enhancing the overall lifespan and reliability of the protected circuitry. Trust Littelfuse for your critical circuit protection needs, ensuring operational integrity and safety.
  • Littelfuse 0.150A, 5x20mm glass body cartridge fuse
  • Time-lag (slow-blow) characteristic for inrush current tolerance
  • Designed to UL/CSA/ANCE 248 standards for assured safety and performance
  • Axial lead format for easy PCB mounting and integration
  • RoHS compliant and lead-free for environmental responsibility

Specifications

Application
electronic equipment & appliances
Brand Name
Littelfuse
Connection Type
Axial Lead
Current Rating
0.150 A
Material
Glass
Series
SLO-BLO M-PACK
Size
5x20mm
Special Features
Slo-Blo
Standard
UL/CSA/ANCE 248 Standard
Sub Brand
239 Series
Type
5 x 20 mm UL/CSA Slo-Blo
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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.

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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.

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.