Littelfuse 0297020.U - AUTOMO MINI BLADE TYPE 500-PACK 20A. The MINI® Fuse is quickly becoming the new standard for vehicle circuit protection throughout the world. Its miniature design, patented by Littelfuse, meets the need for more circuits to be protected while utilizing less space, and its ability to cope with high temperatures in adverse environments makes the MINI® Fuse the recommended choice for protection.
Littelfuse

0297020.U

UPC: 079458090741


Documents & Media
BrochureTechnical DrawingSpecification Sheet

Contact for Pricing

Minimum Qty: 500

Multiplier: 500

*Contact for lower quantities*

Overview

The Littelfuse 0297020.U AUTOMO MINI Blade Fuse, offered in a convenient 500-pack, represents the pinnacle of modern automotive circuit protection. As the industry increasingly demands more sophisticated electrical systems within increasingly compact vehicle architectures, the MINI® Fuse has emerged as the de facto standard. Littelfuse, a globally recognized leader in circuit protection, has patented this miniature design, which ingeniously addresses the dual challenges of increased circuit density and limited space. This 20A fuse is engineered to safeguard critical electrical components from overcurrents and short circuits, ensuring the reliable operation and longevity of vehicle electronics. The MINI® Fuse's robust construction and patented design are not merely about size reduction; they are about enhanced performance in demanding environments. Vehicles are subjected to a wide range of operating conditions, from extreme heat under the hood to vibrations and moisture. The Littelfuse MINI® Fuse is specifically designed to withstand these adverse conditions, maintaining its protective integrity where other fuses might fail. This high-temperature capability makes it the recommended choice for applications where reliability is paramount, including engine control modules, lighting systems, infotainment units, and advanced driver-assistance systems (ADAS). Key benefits of integrating Littelfuse MINI® Fuses into your automotive designs or repair processes include: * **Space Efficiency:** The miniature form factor allows for denser fuse block designs, freeing up valuable space for other components. This is crucial for modern vehicles with an ever-increasing number of electronic control units (ECUs). * **High Performance:** Engineered to meet stringent automotive standards, these fuses provide reliable overcurrent protection, preventing damage to sensitive electronics and mitigating fire hazards. * **Durability:** Designed to operate reliably in high-temperature environments and resist vibration, ensuring consistent protection across the vehicle's lifespan. * **Industry Standard:** The MINI® Fuse is widely adopted by automotive manufacturers globally, making it a familiar and trusted component for both OEM and aftermarket applications. * **Cost-Effectiveness:** Supplied in a 500-pack, this offering provides an economical solution for high-volume production or extensive repair operations, ensuring you have a readily available supply of essential protection. When selecting circuit protection for automotive applications, professionals consistently turn to Littelfuse for their commitment to quality and innovation. The 0297020.U SKU signifies a specific 20A rating, suitable for a broad spectrum of automotive circuits requiring this amperage. Proper fuse selection is critical; an undersized fuse will nuisance-trip, while an oversized fuse will fail to protect the circuit adequately. The MINI® Blade Fuse series, with its clear amperage markings and standardized blade configuration, simplifies installation and replacement, reducing the likelihood of errors. This 500-pack ensures that technicians and engineers have a substantial inventory of this essential component, ready to deploy for any automotive electrical protection need. Trust Littelfuse for robust, reliable, and space-saving circuit protection solutions that keep vehicles running safely and efficiently.
  • Patented miniature design for space-efficient automotive applications
  • 20A rating ideal for a wide range of vehicle electrical circuits
  • High-temperature capability for reliable performance in adverse environments
  • Meets evolving needs for increased circuit protection in modern vehicles
  • 500-pack provides economical and convenient supply for OEM and aftermarket

Specifications

Amperage Rating
20 A
Application
Automotive
Brand Name
Littelfuse
Connection Type
Blade
Current Rating
20 A
Series
MINI
Size
Mini Blade
Standard
UL 248 Special Purpose Fuses
Sub Brand
MINI Series
Package Dimensions (L x W x H)
3 IN x 1 IN x 2 IN
Package Dimensions (L x W x H)
7.62 cm x 25.4 mm x 5.08 cm
Package Weight (Imperial)
2.000 L
Package Weight (Metric)
0.907 kg
FAST-ACTING AUTOMOTIVE BLADE FUSE 20A. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating.287 Series replaces 257 Series.

ATO020

FAST-ACTING AUTOMOTIVE BLADE FUSE 20A. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating.287 Series replaces 257 Series.
FUSE - ATO SMARTGLOW 12VDC 20A 100 PC. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.

0ATO020.HXGLO

FUSE - ATO SMARTGLOW 12VDC 20A 100 PC. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.
FAST-ACTING AUTOMO BLADE L-PACK 20A. Developed by Littelfuse for the automotive industry, the ATOF® fuse has become the original equipment circuit protection standard for foreign and domestic automobiles and trucks. Readily identifiable and easily replaced, this fuse can be specified for a variety of low voltage electronic applications.

0287020.L

FAST-ACTING AUTOMO BLADE L-PACK 20A. Developed by Littelfuse for the automotive industry, the ATOF® fuse has become the original equipment circuit protection standard for foreign and domestic automobiles and trucks. Readily identifiable and easily replaced, this fuse can be specified for a variety of low voltage electronic applications.
FUSE - MAXI 32V 20A 50 PC. With "Diffusion Pill Technology" the MAXI® Fuse provides excellent time delay characteristics and low heat dissipation. Designed and patented by Littelfuse, the MAXI fuse is ideal for motor powered applications which have large inrush currents.

0299020.L

FUSE - MAXI 32V 20A 50 PC. With "Diffusion Pill Technology" the MAXI® Fuse provides excellent time delay characteristics and low heat dissipation. Designed and patented by Littelfuse, the MAXI fuse is ideal for motor powered applications which have large inrush currents.
FUSE - ATO SMARTGLOW 12VDC 20A 1000 P. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.

0ATO020.MXGLO

FUSE - ATO SMARTGLOW 12VDC 20A 1000 P. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.
FAST-ACTING AUTOMO BLADE U-PACK 20A. Developed by Littelfuse for the automotive industry, the ATOF® fuse has become the original equipment circuit protection standard for foreign and domestic automobiles and trucks. Readily identifiable and easily replaced, this fuse can be specified for a variety of low voltage electronic applications.

0287020.U

FAST-ACTING AUTOMO BLADE U-PACK 20A. Developed by Littelfuse for the automotive industry, the ATOF® fuse has become the original equipment circuit protection standard for foreign and domestic automobiles and trucks. Readily identifiable and easily replaced, this fuse can be specified for a variety of low voltage electronic applications.
FAST-ACTING AUTOMO BLADE P-PACK 20A. Developed by Littelfuse for the automotive industry, the ATOF® fuse has become the original equipment circuit protection standard for foreign and domestic automobiles and trucks. Readily identifiable and easily replaced, this fuse can be specified for a variety of low voltage electronic applications.

0287020.PXCN

FAST-ACTING AUTOMO BLADE P-PACK 20A. Developed by Littelfuse for the automotive industry, the ATOF® fuse has become the original equipment circuit protection standard for foreign and domestic automobiles and trucks. Readily identifiable and easily replaced, this fuse can be specified for a variety of low voltage electronic applications.
ATOF® automotive blade fuses were developed to take the place of obsolete ATO Series 257 fuses. Automakers consider ATOF fuses standard equipment for protecting low-voltage circuits.

0287020.H

ATOF® automotive blade fuses were developed to take the place of obsolete ATO Series 257 fuses. Automakers consider ATOF fuses standard equipment for protecting low-voltage circuits.
SMARTGLOW MINI BLADE BOX 20A. The MINI® Fuse is quickly becoming the new standard for vehicle circuit protection throughout the world. Its miniature design, patented by Littelfuse, meets the need for more circuits to be protected while utilizing less space, and its ability to cope with high temperatures in adverse environments makes the MINI® Fuse the recommended choice for protection.

0MIN020.VXGLO

SMARTGLOW MINI BLADE BOX 20A. The MINI® Fuse is quickly becoming the new standard for vehicle circuit protection throughout the world. Its miniature design, patented by Littelfuse, meets the need for more circuits to be protected while utilizing less space, and its ability to cope with high temperatures in adverse environments makes the MINI® Fuse the recommended choice for protection.
AUTOMO MINI FAST-ACTING BLADE 15A. The MINI® Fuse is quickly becoming the new standard for vehicle circuit protection throughout the world. Its miniature design, patented by Littelfuse, meets the need for more circuits to be protected while utilizing less space, and its ability to cope with high temperatures in adverse environments makes the MINI® Fuse the recommended choice for protection.

MIN015

AUTOMO MINI FAST-ACTING BLADE 15A. The MINI® Fuse is quickly becoming the new standard for vehicle circuit protection throughout the world. Its miniature design, patented by Littelfuse, meets the need for more circuits to be protected while utilizing less space, and its ability to cope with high temperatures in adverse environments makes the MINI® Fuse the recommended choice for protection.
FAST-ACTING AUTOMOTIVE BLADE FUSE 25A. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating.287 Series replaces 257 Series.

ATO025

FAST-ACTING AUTOMOTIVE BLADE FUSE 25A. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating.287 Series replaces 257 Series.
SMARTGLOW MINI BLADE BOX 25A. The MINI® Fuse is quickly becoming the new standard for vehicle circuit protection throughout the world. Its miniature design, patented by Littelfuse, meets the need for more circuits to be protected while utilizing less space, and its ability to cope with high temperatures in adverse environments makes the MINI® Fuse the recommended choice for protection.

0MIN025.VXGLO

SMARTGLOW MINI BLADE BOX 25A. The MINI® Fuse is quickly becoming the new standard for vehicle circuit protection throughout the world. Its miniature design, patented by Littelfuse, meets the need for more circuits to be protected while utilizing less space, and its ability to cope with high temperatures in adverse environments makes the MINI® Fuse the recommended choice for protection.

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.