Littelfuse 0251015.MXL - VERY FAST-ACTING PICO II M-PACK 15A. The PICO® II Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package. Features: Very fast-acting. Small size. Wide current rating range (62mA- 15A). RoHS compliant. Halogen-free available. Wide operating temperature range. Low temperature rerating.
Littelfuse

0251015.MXL

UPC: 079458100525

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Overview

The Littelfuse PICO® II Very Fast-Acting Fuse, SKU 0251015.MXL, is a premier solution for advanced circuit protection in compact electronic systems. Engineered by Littelfuse, a globally recognized leader in circuit protection, this subminiature fuse delivers exceptional performance and reliability where space is at a premium. Its very fast-acting characteristic ensures rapid interruption of overcurrent events, safeguarding sensitive components from damage and preventing system failures. This fuse is specifically designed to meet the rigorous demands of modern electronic designs across various industries. Key features of the PICO II fuse include its incredibly small footprint, making it ideal for densely populated printed circuit boards (PCBs) and miniaturized electronic devices. Despite its size, it offers a wide current rating range, extending from 62mA up to 15A, providing versatility for a broad spectrum of applications. The 15A rating of the 0251015.MXL model makes it suitable for protecting higher power circuits within compact designs. Furthermore, this fuse boasts a wide operating temperature range, ensuring consistent performance in diverse environmental conditions. Its low temperature rerating capability means that its current carrying capacity is reliably maintained even in colder operating environments, a critical consideration for industrial and automotive applications. Littelfuse's commitment to environmental responsibility is evident in the PICO II series. This fuse is RoHS compliant, adhering to global standards for the restriction of hazardous substances. For applications with even stricter environmental requirements, a halogen-free option is also available, further enhancing its suitability for eco-conscious designs. The very fast-acting nature of this fuse is crucial for protecting sensitive electronics such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics where rapid fault detection and interruption are paramount. When selecting a fuse for critical applications, engineers and technicians rely on the proven quality and performance of Littelfuse products. The PICO II series exemplifies this trust, offering a robust and dependable solution for overcurrent protection. Its subminiature M-pack package facilitates easy integration into automated assembly processes, contributing to efficient manufacturing. The wide current range and fast-acting response time make it a go-to choice for designers seeking to optimize both protection and space utilization in their next-generation products. Trust Littelfuse for unparalleled circuit protection technology that keeps your systems running safely and efficiently.
  • Very fast-acting interruption for sensitive electronics
  • Space-saving subminiature M-pack design
  • Wide current rating range (62mA - 15A)
  • RoHS compliant and available in halogen-free options
  • Wide operating temperature range with low temperature rerating

Specifications

Application
electronic equipment & appliances
Brand Name
Littelfuse
Special Features
Wide operating temperature range
Standard
CSA Approval
Sub Brand
251 Series PICO II
Type
Small Size
VERY FAST-ACTING PICO II LEADS 3.5A. The PICO® II Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package. Features: Very fast-acting. Small size. Wide current rating range (62mA- 15A). RoHS compliant. Halogen-free available. Wide operating temperature range. Low temperature rerating.

25103.5L

VERY FAST-ACTING PICO II LEADS 3.5A. The PICO® II Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package. Features: Very fast-acting. Small size. Wide current rating range (62mA- 15A). RoHS compliant. Halogen-free available. Wide operating temperature range. Low temperature rerating.
FUSE 125V ALARM FUSE BULK H-PACK 10A. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.

0481010.H

FUSE 125V ALARM FUSE BULK H-PACK 10A. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.
FUSE 250V FA 3AB PB-FREE H-PACK 5A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: Designed to meet UL248-14. RoHS Compliant and Lead-Free. Available in cartridge type only.

H332005P

FUSE 250V FA 3AB PB-FREE H-PACK 5A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: Designed to meet UL248-14. RoHS Compliant and Lead-Free. Available in cartridge type only.
FUSE 125V ALARM FUSE 2.5A. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.

048102.5V

FUSE 125V ALARM FUSE 2.5A. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.
3AG SCREW TERMINALS 12 POLE. Screw Terminal Laminated Base Terminal for 3AG/AB Fuses. Rated at 15 Amp. 600 V AC/DC.

356012

3AG SCREW TERMINALS 12 POLE. Screw Terminal Laminated Base Terminal for 3AG/AB Fuses. Rated at 15 Amp. 600 V AC/DC.
FUSE 125V ALARM FUSE BULK H-PACK 20A. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.

0481020.H

FUSE 125V ALARM FUSE BULK H-PACK 20A. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.
279S VERY FAST ACTING MICRO FUSE .125A. Developed originally for the U.S. Space Program, MICRO™ fuse provides reliability in a compact design. The MICRO™ fuse is available in plug–in or radial lead styles and a complete range of ampere ratings from 1/500 to 5A to suit a wide variety of design needs. Features: Military grade available. High breaking capacity. Clear cover option to view fuse element status. Available from very low ampere of 2mA to 5A Plug-in with short or long leads option.

279.125

279S VERY FAST ACTING MICRO FUSE .125A. Developed originally for the U.S. Space Program, MICRO™ fuse provides reliability in a compact design. The MICRO™ fuse is available in plug–in or radial lead styles and a complete range of ampere ratings from 1/500 to 5A to suit a wide variety of design needs. Features: Military grade available. High breaking capacity. Clear cover option to view fuse element status. Available from very low ampere of 2mA to 5A Plug-in with short or long leads option.
FUSE 250V FA 3AB PB-FREE H-PACK 3A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: Designed to meet UL248-14. RoHS Compliant and Lead-Free. Available in cartridge type only.

H332003P

FUSE 250V FA 3AB PB-FREE H-PACK 3A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: Designed to meet UL248-14. RoHS Compliant and Lead-Free. Available in cartridge type only.
125V ALARM FUSE W/LENS ROHS H-PACK 2A. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.

0481002.HXLP

125V ALARM FUSE W/LENS ROHS H-PACK 2A. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.
FUSE 250V FA 3AB PB-FREE M-PACK 7A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: Designed to meet UL248-14. RoHS Compliant and Lead-Free. Available in cartridge type only.

0332007.MXP

FUSE 250V FA 3AB PB-FREE M-PACK 7A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: Designed to meet UL248-14. RoHS Compliant and Lead-Free. Available in cartridge type only.
FUSE 125V ALARM FUSE BULK H-PACK .500A. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.

0481.500H

FUSE 125V ALARM FUSE BULK H-PACK .500A. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.
FUSE ALARM DUMMY FUSE. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.

04810000H

FUSE ALARM DUMMY FUSE. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.

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.