Littelfuse 31501.6P - SLO-BLO GLASS AXIAL 1.6A. The 3AG Slo-Blo® fuse solves a broad range of application requirements while offering reliable performance and costeffective circuit protection. Features: In accordance with UL Standard 248-14. Available in cartridge and axial lead format and with various forming dimensions. RoHS compliant and Lead-free.
Littelfuse

31501.6P

Alternate Item Number: 031501.6VXP

UPC: 079458927627

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Minimum Qty: 5

Multiplier: 5

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Overview

The **Littelfuse 31501.6P SLO-BLO® Glass Axial 1.6A Fuse** is a high-performance, cost-effective solution for overcurrent protection in a wide range of industrial, commercial, and consumer electronics. Designed to meet **UL Standard 248-14**, this fuse provides reliable and consistent performance, ensuring the safety and longevity of sensitive electronic circuits. As part of Littelfuse’s renowned SLO-BLO® series, the 31501.6P is engineered to handle moderate inrush currents while offering fast response to fault conditions, making it ideal for applications where transient overloads are common. **Key Features and Benefits:** - **UL 248-14 Compliance**: Certified for use in North American electrical systems, ensuring adherence to strict safety and performance standards. This certification is critical for manufacturers and engineers who require third-party validation of their circuit protection solutions. - **Versatile Form Factors**: Available in both **cartridge and axial lead formats**, the 31501.6P offers installation flexibility for diverse PCB layouts and chassis designs. The axial lead configuration is particularly suited for through-hole mounting in industrial control panels, power supplies, and automotive systems. - **SLO-BLO® Technology**: The slow-blow characteristic of this fuse allows it to tolerate temporary overloads without nuisance tripping, which is essential in applications such as motor startups, transformers, and inductive loads where inrush currents are expected. - **RoHS Compliance and Lead-Free**: Manufactured without hazardous substances, the 31501.6P aligns with global environmental regulations, making it suitable for use in green electronics and applications requiring lead-free components. - **Cost-Effective Protection**: Littelfuse’s SLO-BLO® fuses are designed to deliver robust protection at a competitive price point, reducing total cost of ownership while maintaining high reliability. This makes them a preferred choice for OEMs and system integrators seeking dependable circuit protection without compromising on performance. **Typical Applications:** The **Littelfuse 31501.6P** is widely used across multiple industries, including: - **Industrial Automation**: Protecting PLCs, motor controllers, and variable frequency drives (VFDs) from overcurrent conditions. - **Power Supplies**: Safeguarding transformers, rectifiers, and DC-DC converters in both commercial and industrial power distribution systems. - **Consumer Electronics**: Providing overcurrent protection in appliances, audio equipment, and LED lighting systems where transient surges are common. - **Automotive Systems**: Used in battery management, lighting circuits, and control modules where reliable protection is critical for vehicle safety and performance. - **Telecommunications**: Ensuring the integrity of network infrastructure, including routers, switches, and base stations, by preventing damage from power surges. **Why Choose Littelfuse?** Littelfuse is a global leader in circuit protection, with over a century of innovation and expertise in fuse technology. The company’s SLO-BLO® series is trusted by engineers worldwide for its **consistent performance, broad availability, and adherence to international standards**. Whether you are designing a new product or maintaining existing equipment, the **31501.6P** offers a proven solution that balances cost, reliability, and compliance. Its **lead-free construction** and **RoHS certification** further enhance its appeal in today’s environmentally conscious market. **Installation and Selection Considerations:** When selecting a fuse for your application, consider the following: - **Current Rating**: The 1.6A rating makes this fuse suitable for low-to-medium power circuits where moderate overloads are expected. - **Voltage Rating**: Ensure the fuse’s voltage rating exceeds the maximum system voltage to prevent arcing or failure. - **Response Time**: The slow-blow characteristic is ideal for applications with predictable inrush currents, while fast-acting fuses may be required for sensitive electronics. - **Form Factor**: The axial lead design simplifies through-hole mounting, while cartridge formats offer easier replacement in panel-mounted applications. - **Environmental Conditions**: For harsh or high-temperature environments, consider fuses with additional coatings or specialized materials. By choosing the **Littelfuse 31501.6P**, you gain a **trusted, high-quality fuse** that delivers **reliable protection, compliance with industry standards, and long-term durability**—all at a competitive price. Whether you are a design engineer, maintenance technician, or procurement specialist, this fuse provides the peace of mind you need for critical circuit protection applications.
  • UL Standard 248-14 certified for North American electrical systems
  • SLO-BLO® technology for handling moderate inrush currents without nuisance tripping
  • Available in cartridge and axial lead formats for installation flexibility
  • RoHS compliant and lead-free construction for environmental safety
  • Cost-effective protection for industrial, automotive, and consumer electronics

Specifications

Amperage Rating
2500 Amps
Application
Protection of Semiconductors
Brand Name
Littelfuse
Connection Type
Axial Lead
Current Rating
1.6 A
Material
Glass
Series
SLO-BLO
Size
3AG
Special Features
Very-Fast Acting
Standard
UL Recognized
Sub Brand
POWR-GARD LA Series
Type
Semiconductor Fuse
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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.