Littelfuse H21602.5P - FAST-ACTING 5X20 CERAMIC H-PACK 2.5A. 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

H21602.5P

Alternate Item Number: 021602.5HXP

UPC: 079458902129

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Multiplier: 100

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Overview

The Littelfuse H21602.5P is a premium, fast-acting ceramic cartridge fuse engineered to deliver robust overcurrent protection in demanding industrial and electronic environments. Designed and manufactured by Littelfuse, a globally recognized leader in circuit protection, this fuse adheres to stringent international standards, specifically IEC 60127-2, sheet 1, for fast-acting fuses. This compliance ensures its suitability for a wide array of global applications where reliability and adherence to specifications are paramount. Featuring a compact 5x20mm form factor, the H21602.5P is ideal for integration into space-constrained designs. Its ceramic body construction offers superior thermal stability and mechanical strength, enabling it to withstand significant operational stresses and temperature fluctuations without compromising performance. The fast-acting characteristic of this fuse means it will rapidly interrupt fault currents, thereby safeguarding sensitive downstream components and preventing cascading failures within electrical systems. This rapid response is critical for protecting equipment such as power supplies, control panels, instrumentation, and various electronic circuits. With a precise current rating of 2.5 Amperes, the H21602.5P is meticulously calibrated to protect circuits operating within this range from damaging overloads and short circuits. Its versatility is further enhanced by its availability in both standard cartridge form for easy replacement in fuse holders and axial lead configurations for direct soldering onto printed circuit boards (PCBs). This dual availability simplifies design and manufacturing processes for engineers and technicians. Environmental responsibility is a key consideration, and the Littelfuse H21602.5P is RoHS compliant and lead-free, aligning with global initiatives to reduce hazardous substances and promote sustainable manufacturing practices. This makes it an excellent choice for manufacturers targeting markets with strict environmental regulations. Key features and benefits include: * **IEC 60127-2 Compliance:** Ensures adherence to international safety and performance standards for fast-acting fuses. * **Fast-Acting Interruption:** Provides rapid protection against overcurrents, minimizing damage to sensitive equipment. * **Durable Ceramic Body:** Offers excellent thermal and mechanical resistance for reliable operation in harsh conditions. * **Compact 5x20mm Size:** Facilitates integration into space-limited electronic designs. * **2.5A Current Rating:** Precisely protects circuits operating at this amperage. * **Dual Form Factor:** Available as a cartridge fuse or with axial leads for versatile mounting options. * **RoHS Compliant & Lead-Free:** Meets global environmental standards for safer manufacturing and use. The Littelfuse H21602.5P, SKU H21602.5P, is a dependable component for applications requiring high-quality circuit protection. Its robust design, adherence to international standards, and environmental consciousness make it a preferred choice for engineers and procurement specialists in sectors such as telecommunications, industrial automation, consumer electronics, and medical devices. Trust Littelfuse for your critical circuit protection needs.
  • Fast-acting 5x20mm ceramic cartridge fuse
  • 2.5 Ampere current rating
  • Designed to IEC 60127-2, sheet 1 specifications
  • RoHS compliant and lead-free for global use
  • Available in cartridge and axial lead forms

Specifications

Application
electronic equipment & appliances
Brand Name
Littelfuse
Current Rating
2.5 A
Material
Ceramic
Mounting Type
Cartridge and axial lead
Series
H-PACK
Size
5x20mm
Special Features
Fast-Acting
Standard
EC 60127-2
Sub Brand
216 Series
Type
5 x 20 mm IEC Fast-Acting
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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.

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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.

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.