Littelfuse 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.
Littelfuse

0MIN020.VXGLO

UPC: 079458150179

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Overview

The **Littelfuse SMARTGLOW MINI Blade Fuse 20A (SKU: 0MIN020.VXGLO)** sets the industry standard for high-performance automotive circuit protection, combining patented miniature design with advanced thermal resilience and visual diagnostics. Engineered by Littelfuse—the global leader in circuit protection solutions—the MINI Blade Fuse delivers unmatched reliability in modern vehicle electrical systems, where space constraints and extreme operating conditions demand precision-engineered components. **Why Choose the Littelfuse MINI Blade Fuse?** Automotive electrical systems are evolving rapidly, with increasing circuit densities and higher power demands. The **MINI Blade Fuse** addresses these challenges by offering a compact, space-efficient solution that maximizes circuit protection without compromising performance. Its **patented miniature design** allows for more fuses to be installed in limited spaces—critical for today’s densely packed vehicle architectures, including electric vehicles (EVs), hybrid systems, and advanced driver-assistance systems (ADAS). Unlike traditional blade fuses, the MINI series is optimized for **high-temperature environments**, ensuring consistent operation in under-hood applications where ambient temperatures can exceed 125°C. **Key Features & Benefits:** - **Patented Miniature Design**: Littelfuse’s proprietary MINI format enables higher circuit density, reducing panel space requirements by up to **40%** compared to standard blade fuses. This is particularly valuable in OEM applications where weight and size reduction are priorities. - **Exceptional Thermal Resilience**: Built to withstand extreme heat, the MINI Blade Fuse maintains stable performance in adverse environments, including engine compartments and high-load circuits. Its materials are selected for long-term durability, reducing the risk of nuisance failures. - **SMARTGLOW Visual Indication**: The innovative **SMARTGLOW feature** provides an immediate, at-a-glance status check—glowing red when the fuse is blown. This eliminates the need for manual inspection or multimeter testing, accelerating diagnostics and reducing vehicle downtime in repair shops and fleet maintenance. - **Reliable Overcurrent Protection**: As a **20A-rated fuse**, the 0MIN020.VXGLO is engineered to interrupt fault currents safely, protecting sensitive electronics and wiring harnesses from damage due to short circuits or overloads. Its fast-acting response ensures compliance with automotive safety standards, including ISO 8820 and SAE J1284. - **Versatile Applications**: Ideal for a wide range of automotive systems, including: - **Powertrain & Engine Control**: Protecting critical sensors, ECUs, and actuators in gasoline, diesel, and hybrid powertrains. - **Body & Comfort Electronics**: Safeguarding circuits for lighting, infotainment, power windows, and HVAC systems. - **Electric & Hybrid Vehicles**: Supporting high-voltage auxiliary systems and battery management circuits. - **Aftermarket & Performance Upgrades**: A trusted choice for custom wiring harnesses, audio systems, and off-road vehicle modifications. **Industry Trust & Compliance:** Littelfuse is a **recognized authority in circuit protection**, with over a century of innovation in automotive and industrial applications. The MINI Blade Fuse series is **widely adopted by OEMs worldwide**, including major automotive manufacturers who prioritize reliability and safety. Its compliance with **UNSPSC 39121622** and adherence to international standards (e.g., UL, IEC) make it a preferred choice for engineers and technicians designing or servicing modern vehicles. **Installation & Maintenance:** Designed for **tool-less installation**, the MINI Blade Fuse snaps securely into compatible fuse blocks, ensuring a stable connection even in high-vibration environments. The **SMARTGLOW feature** simplifies maintenance by instantly identifying blown fuses, reducing diagnostic time and improving fleet uptime. For professionals, this translates to **lower labor costs** and **faster turnaround** in repair facilities. **Why Littelfuse?** Choosing the right circuit protection isn’t just about specifications—it’s about **trust in performance**. Littelfuse’s global manufacturing footprint, rigorous quality control, and commitment to innovation ensure that every MINI Blade Fuse meets the demands of real-world automotive applications. Whether you’re an OEM engineer optimizing a new vehicle platform or a technician servicing a customer’s car, the **Littelfuse SMARTGLOW MINI Blade Fuse 20A** delivers the reliability, efficiency, and peace of mind you need. Upgrade your vehicle’s electrical safety today with the industry’s most advanced miniature fuse technology.
  • Patented miniature design for 40% space savings vs. standard blade fuses
  • Exceptional thermal resilience for high-temperature automotive environments
  • SMARTGLOW visual indication for quick, at-a-glance fuse status checks
  • 20A rating for reliable overcurrent protection in critical vehicle circuits
  • Widely adopted by OEMs and trusted for aftermarket & performance applications

Specifications

Amperage Rating
20 A
Application
Automotive
Brand Name
Littelfuse
Color
Blue
Connection Type
Blade connector
Current Rating
20 A
Material
Poly
Mounting Type
Snap-in fuse block
Series
MINI Blade Fuse Series
Size
Miniature Blade
Special Features
Indicator light that glows when the fuse is blown
Sub Brand
MAXI Smart Glo
Type
Blade Fuse
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.
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.
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.
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.
FUSE - ATO SMARTGLOW 12VDC 25A 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.

0ATO025.HXGLO

FUSE - ATO SMARTGLOW 12VDC 25A 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.
FUSE - ATO SMARTGLOW 12VDC 25A 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.

0ATO025.MXGLO

FUSE - ATO SMARTGLOW 12VDC 25A 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.
SMARTGLOW MINI BLADE BOX 10A. 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.

0MIN010.VXGLO

SMARTGLOW MINI BLADE BOX 10A. 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.
FUSE - ATO SMARTGLOW 12VDC 30A 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.

0ATO030.MXGLO

FUSE - ATO SMARTGLOW 12VDC 30A 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.
FUSE - ATO SMARTGLOW 12VDC 30A 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.

0ATO030.HXGLO

FUSE - ATO SMARTGLOW 12VDC 30A 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.
FUSE - ATO SMARTGLOW 12VDC 7.5A 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.

0ATO07.5HXGLO

FUSE - ATO SMARTGLOW 12VDC 7.5A 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.

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.