Littelfuse 318005P - FAST-ACTING TYPE GLASS W/ AXIAL 5A. The 3AG Fast-Acting Fuse solves a broad range of application requirements while offering reliable performance and cost-effective 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

318005P

Alternate Item Number: 0318005.VXP

UPC: 079458926422

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Minimum Qty: 5

Multiplier: 5

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Overview

The **Littelfuse 318005P 3AG Fast-Acting Glass Fuse** (SKU: 318005P) delivers high-performance overcurrent protection for industrial, commercial, and consumer electronics. Engineered to meet **UL Standard 248-14**, this 5-ampere fuse combines rapid response with cost-effective reliability, making it an ideal choice for applications where transient overloads must be cleared quickly to prevent damage to sensitive components. The **axial lead design** ensures easy integration into PCB layouts or chassis-mounted assemblies, while the **glass body** provides visual confirmation of fuse status and robust dielectric strength for high-voltage environments. **Key Features and Benefits:** - **Fast-Acting Response**: Engineered for rapid interruption of overcurrent conditions, the 3AG series minimizes downtime and protects downstream electronics from damage caused by short circuits or overloads. This is critical in applications such as power supplies, motor controls, and LED drivers, where even brief overcurrent events can degrade performance or trigger catastrophic failure. - **Versatile Mounting Options**: Available in both **cartridge and axial lead formats**, the 318005P adapts to diverse installation requirements. The axial lead configuration simplifies hand-soldering or automated pick-and-place processes, while the cartridge version supports applications requiring snap-in or panel-mounted configurations. - **Compliance and Environmental Safety**: Fully **RoHS-compliant and lead-free**, the 318005P aligns with global environmental regulations, ensuring seamless integration into modern electronic designs. This compliance is particularly valuable in industries like telecommunications, automotive, and renewable energy, where regulatory adherence is non-negotiable. - **Durable Construction**: The **glass body** offers superior mechanical strength and thermal stability, resisting cracking or degradation under harsh operating conditions. This durability extends the fuse’s operational lifespan, reducing maintenance costs and replacement frequency in industrial settings. - **Wide Application Range**: From **power distribution panels** and **industrial control systems** to **consumer appliances** and **telecom infrastructure**, the 3AG series addresses a broad spectrum of circuit protection needs. Its 5A rating makes it suitable for low-to-medium power applications, including LED lighting, battery chargers, and instrumentation systems. **Industry Applications:** The **Littelfuse 318005P** is a trusted solution across multiple sectors due to its reliability and performance. In **industrial automation**, it safeguards PLCs, sensors, and actuators from transient surges. **Telecom equipment** manufacturers rely on it to protect base stations and network interfaces from voltage spikes. **Automotive electronics** use 3AG fuses in control modules, infotainment systems, and charging circuits, where space constraints and vibration resistance are critical. Even in **renewable energy systems**, such as solar inverters and wind turbine controllers, these fuses provide essential protection against fault currents. **Selection and Installation Best Practices:** When selecting a fuse, professionals consider the **maximum continuous current**, **voltage rating**, and **interrupting capacity** of the circuit. The **318005P’s 5A rating** makes it ideal for circuits operating below this threshold, while its **250VAC/Vdc rating** ensures compatibility with common industrial and commercial power systems. Installation is straightforward: axial leads can be soldered directly to PCBs or terminated with connectors, while cartridge versions fit into fuse holders for quick replacement. Always verify the fuse’s **breaking capacity** matches the prospective fault current of the system to ensure optimal protection. **Why Choose Littelfuse?** With over **100 years of innovation in circuit protection**, Littelfuse is a global leader in designing solutions that enhance safety, reliability, and performance. The company’s **3AG series** is a testament to its commitment to quality, backed by rigorous testing and adherence to international standards. Whether you’re designing a new product or retrofitting an existing system, the **Littelfuse 318005P** offers a cost-effective, high-performance solution that engineers and technicians can depend on. Trust Littelfuse to deliver **protection you can count on**—wherever your circuits lead.
  • 5A fast-acting fuse for rapid overcurrent protection
  • Axial lead design for easy PCB or chassis mounting
  • UL Standard 248-14 compliant for safety and reliability
  • RoHS compliant and lead-free construction
  • Glass body for durability and visual status indication

Specifications

Amperage Rating
5 AMPS
Application
Perfect for use in lighthing systems
Brand Name
Littelfuse
Connection Type
Axial Lead
Current Rating
5 A
Material
Glass
Mounting Type
Cartridge and axial lead
Series
3AG Fast-Acting
Size
3AG
Special Features
Time-Delay
Standard
Standard 248-14 UL Listed/CSA
Sub Brand
POWR-GARD LMF Series
Type
InLine Fuse
Voltage Rating
250 VAC/VDC
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in
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.