Littelfuse H281007 - ACS MICRO FUSE HLDR HORZ PC BOARD 7A. Thru-hole circuit board mount holders designed for Littelfuse MICRO™/ TR3 type and other fuse series with .025” diameter leads rated to 5 amps.
Littelfuse

H281007

Alternate Item Number: 02810007H

UPC: 079458879810


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Overview

The Littelfuse H281007 ACS Micro Fuse Holder is a critical component for reliable circuit protection in a wide array of industrial and electronic applications. Engineered for precision, this thru-hole circuit board mount holder is specifically designed to accommodate Littelfuse MICRO™/TR3 type fuses, as well as other fuse series featuring .025” diameter leads. With a robust current rating of 5 amps and a voltage rating of 125 volts, the H281007 ensures dependable safeguarding against overcurrent conditions, protecting sensitive electronic components and systems from damage. This fuse holder's design prioritizes secure and stable integration onto printed circuit boards. Featuring a PC Board Thru-Hole mounting type with a standard 5.08mm hole spacing, it facilitates straightforward and consistent installation in high-density electronic assemblies. The horizontal mounting orientation is particularly beneficial for space-constrained designs, allowing for efficient utilization of board real estate. Key features and benefits of the Littelfuse H281007 ACS Micro Fuse Holder include: * **Broad Fuse Compatibility:** Designed for Littelfuse MICRO™/TR3 series fuses and other compatible fuses with .025” diameter leads, offering flexibility in component selection. * **Robust Electrical Ratings:** Capable of handling up to 5A of current and 125V, providing ample protection for many electronic circuits. * **Secure Thru-Hole Mounting:** Ensures a strong mechanical connection to the PCB, vital for applications subjected to vibration or mechanical stress. * **Optimized for PC Boards:** The 5.08mm hole spacing is a standard for many PCB layouts, simplifying integration into existing designs. * **Durable Construction:** Built with high-quality materials to withstand demanding industrial environments and ensure long-term operational reliability. The Littelfuse H281007 is an ideal choice for engineers and designers working on power supplies, control systems, industrial automation equipment, consumer electronics, and telecommunications devices where reliable overcurrent protection is paramount. Its compact form factor and efficient mounting design make it suitable for both new product development and retrofitting existing systems. Littelfuse is a globally recognized leader in circuit protection technology, renowned for its commitment to quality, innovation, and performance. By choosing the H281007 ACS Micro Fuse Holder, you are selecting a component from a trusted manufacturer that consistently delivers solutions designed for maximum safety and operational efficiency. This fuse holder is not just a component; it's an integral part of a robust protection strategy for your electronic designs, ensuring longevity and preventing costly downtime.
  • Designed for Littelfuse MICRO™/TR3 type fuses and .025” diameter lead fuses
  • 5A current rating and 125V voltage rating for broad application use
  • Thru-hole PC board mounting with 5.08mm hole spacing for secure installation
  • Horizontal mounting orientation ideal for compact electronic designs
  • Provides reliable overcurrent protection for industrial and electronic circuits

Specifications

Application
Circuit Board Mount Holders
Brand Name
Littelfuse
Connection Type
Thru-hole
Current Rating
5 A
Mounting Type
PCB Thru-Hole
Mounting Type
PCB Thru-Hole Mount
Series
ACS Micro Fuse Holder
Special Features
For Micro TR-3 Fuses
Standard
RoHS
Sub Brand
281 Series
Type
PC Board Mount
Voltage Rating
125 V
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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.
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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.