Littelfuse H217.125P - FAST-ACTING 5X20 GLASS BODY H-PACK .125A. 5x20mm fast-acting ceramic body cartridge fuse designed to IEC specification. Features: Designed to International (IEC ) Standards for use globally. Meets the IEC 60127-2, sheet 1 specification for fast-acting fuses. Available in cartridge and axial lead form RoHS compliant and lead-free.
Littelfuse

H217.125P

Alternate Item Number: 0217.125HXP

UPC: 079458902709


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Minimum Qty: 100

Multiplier: 100

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Overview

The **Littelfuse H217.125P** is a high-performance, fast-acting 5x20mm ceramic body cartridge fuse engineered to meet **IEC 60127-2** standards, providing precise overcurrent protection for sensitive electronic circuits. Designed for global compliance, this **0.125A** fuse delivers rapid response times to safeguard critical components against voltage spikes and transient faults, making it an ideal choice for applications where reliability and speed are paramount. **Key Features & Technical Specifications:** - **Fast-Acting Response:** The H217.125P is optimized for applications requiring immediate interruption during overcurrent events, minimizing damage to downstream components. Its fast-acting characteristic ensures compliance with **IEC 60127-2, Sheet 1**, a globally recognized standard for miniature fuses. - **Robust Ceramic Body:** Constructed with a **5x20mm ceramic body**, this fuse offers superior thermal stability and mechanical strength, ensuring consistent performance even in demanding industrial environments. The ceramic material resists arcing and provides excellent insulation properties. - **Global Compliance & RoHS Alignment:** Fully compliant with **RoHS and lead-free directives**, the H217.125P is suitable for use in international markets, including Europe, North America, and Asia. Its design adheres to stringent environmental regulations without compromising performance. - **Versatile Mounting Options:** Available in both **cartridge and axial lead configurations**, this fuse accommodates diverse installation requirements. The H-PACK series design simplifies integration into PCB layouts, power supplies, and distribution panels. - **High Reliability & Trusted Brand:** Littelfuse, a leader in circuit protection solutions, has engineered the H217.125P to meet the rigorous demands of industrial, automotive, and consumer electronics. With decades of expertise, Littelfuse ensures consistent quality, long-term durability, and superior fault interruption capabilities. **Typical Applications & Industry Use Cases:** The **H217.125P** is widely deployed across multiple sectors where precise overcurrent protection is critical. In **industrial automation**, it safeguards control circuits, sensors, and PLCs from transient surges. **Automotive electronics** benefit from its fast response in protecting ECUs, infotainment systems, and lighting modules. Consumer electronics, including power adapters, chargers, and small appliances, rely on this fuse to prevent catastrophic failures due to overcurrent conditions. **Why Choose Littelfuse for Circuit Protection?** Selecting the right fuse involves balancing **response time, breaking capacity, and environmental compliance**. The H217.125P excels in all three areas: - **Fast-Acting for Critical Circuits:** Unlike slow-blow fuses, this model interrupts faults within milliseconds, protecting sensitive semiconductors and microcontrollers. - **High Breaking Capacity:** The ceramic body and H-PACK design ensure reliable operation under fault conditions, reducing the risk of catastrophic failure. - **Global Standards Compliance:** Meeting **IEC 60127-2** guarantees compatibility with international designs, streamlining procurement and reducing certification overhead for OEMs. **Installation & Selection Considerations:** When integrating the H217.125P into a system, professionals should: - **Verify Current Rating:** Ensure the fuse’s **0.125A** rating aligns with the circuit’s nominal current to avoid nuisance tripping or inadequate protection. - **Assess Fault Conditions:** Confirm the fuse’s breaking capacity exceeds the maximum prospective fault current in the system. - **Consider Environmental Factors:** While the ceramic body provides thermal resilience, ensure proper ventilation in enclosed spaces to maintain optimal performance. - **Leverage Littelfuse Resources:** Utilize Littelfuse’s **fuse selection tools** and **technical datasheets** to validate compatibility and optimize circuit protection strategies. **Conclusion:** For engineers and procurement specialists seeking a **reliable, fast-acting fuse** that meets global standards, the **Littelfuse H217.125P** is a proven solution. Its **IEC 60127-2 compliance, RoHS alignment, and robust ceramic construction** make it a trusted choice for protecting critical electronic systems in industrial, automotive, and consumer applications. With Littelfuse’s reputation for innovation and quality, the H217.125P delivers the performance and peace of mind required in today’s high-stakes electronic environments.
  • Fast-acting 0.125A fuse for immediate overcurrent protection
  • 5x20mm ceramic body for thermal stability and mechanical strength
  • IEC 60127-2 compliant for global standards compatibility
  • RoHS and lead-free compliant for international markets
  • Available in cartridge and axial lead configurations

Specifications

Amperage Rating
.125 Amps
Application
supplementary protection in appliance or utilization equipment
Brand Name
Littelfuse
Current Rating
0.125 A
Material
Ceramic
Series
H-PACK
Size
5x20 mm
Special Features
cartridge and axial lead form
Standard
IEC 60127-2
Sub Brand
217 Series
Type
Fast Acting 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.