Overcurrent Protection Device

PROSEMI Chip Fuses are the fuses setting the industry standard for performance, reliability and quality. The solder-free design provides excellent on-off and temperature cycling characteristics in use and also makes our SMD fuses more heat and shock tolerant than typical sub-miniature fuses.

Available in a variety of current ratings and sizes, our SMD fuses are perfect for applications across consumer electronics, telecommunications, automotive, and industrial sectors. Their small form factor ensures minimal impact on circuit design, while their robust construction guarantees long-term reliability and protection.

With fast and flexible delivery options, along with customizable solutions to meet specific requirements, our SMD fuses offer the perfect balance of safety, efficiency, and durability for your most demanding designs. Keep your circuits protected with the dependable performance of PROSEMI SMD fuses.

The Brick Fuses from PROSEMI can be used to address numerous over-current protection applications. High current brick fuse surface mount deign to save space. Square body with end cap design fully compliant with UL248-1 lead-free solder and high temperature profile associated with lead-free assembly.

Ceramic Tube Fuses has excellent cycling capability and AC & DC performance, low watt losses with less heating and power consumption in circuit. Low I²t and peak let-through currents meet most semiconductor requirements.

Ideal for a wide range of industries, including automotive, industrial, power supplies, and consumer electronics, the PROSEMI Ceramic Tubu Fuse is known for its high breaking capacity, robust construction, and excellent temperature stability. Its ceramic body provides enhanced resistance to heat and vibration, making it a reliable choice in demanding environments.

The PROSEMI EV Fuses is designed for protection of accessory circuits in electric and hybrid electric vehicles. Higher interrupting rating protects high capacity battery packs needed for vehicle acceleration and range requirements.

PROSEMI High-speed Square Body Fuses protect devices from over currents that may cause damage to equipment. High speed fuses are reliable, quick reactors tha can redece the amount of short circuit current.

Ideal for applications in power supplies, telecommunications, automotive electronics, and industrial systems, the PROSEMI High-Speed Fuse is designed to handle high inrush currents and protect delicate components without sacrificing performance. Its high breaking capacity and stable operation under extreme conditions make it an essential choice for designs requiring fast, reliable overcurrent protection.

Available in a range of current ratings and configurations, the PROSEMI High-Speed Fuse offers both versatility and superior protection, ensuring your circuits stay safe and operational in demanding environments.

PROSEMI PV Fuse is designed to integrate into an in-line assembly within a wire harness. The PV fuse provides Photovoltaic Wire Harness Protection that meets UL-248 for photovoltaic applications.

With features like high breaking capacity and low power loss, the PROSEMI PV Fuse is ideal for solar panels, inverters, and other solar energy equipment. It is engineered to meet the rigorous standards of the renewable energy industry, providing long-lasting performance and durability in both residential and commercial solar applications.

Available in a range of current ratings and sizes, the PROSEMI PV Fuse ensures optimal protection in photovoltaic systems, contributing to safer, more reliable solar energy solutions.

The PROSEMI SMD PPTC (Polymer Positive Temperature Coefficient) fuse provides reliable overcurrent protection in a compact surface-mount design, making it ideal for space-constrained applications. PROSEMI PPTC devices which offer a resettable overcurrent protection solutions, thereby reducing warranty service and repair costs.

Ideal for situations where frequent over-current conditions occur or constant uptime is required. PPTC Fuses are typically used in consumer electronics, telecom, automotive and medical equipment protection applications. Its fast response time and low resistance ensure efficient performance, while its surface-mount form factor makes it easy to integrate into modern, high-density circuit boards.

With a variety of current ratings and sizes available, the PROSEMI SMD PPTC fuse offers an effective, cost-efficient solution for protecting your circuits while maintaining long-term reliability.

The PROSEMI Low-R0 SMD Polymer PPTC Fuse offers advanced overcurrent protection with an ultra-low resistance design, making it ideal for high-performance, space-constrained applications. Engineered with a polymer-based Positive Temperature Coefficient (PPTC) material, this fuse provides self-resetting protection against short circuits and overloads, automatically returning to normal operation once the fault condition is cleared.

With its low resistance (Low-R0) feature, it minimizes power loss and ensures efficient current flow, making it perfect for sensitive electronics, consumer devices, automotive circuits, mobile devices, and power management systems. The compact SMD form factor ensures easy integration into modern, high-density circuit boards, while providing reliable, long-lasting protection without the need for replacement.

The PROSEMI Low-R0 SMD Polymer PPTC Fuse delivers fast response times and high reliability, offering an effective, cost-efficient solution for protecting circuits in demanding applications.

The PROSEMI DIP PPTC (Polymer Positive Temperature Coefficient) Fuse provides reliable overcurrent protection in a durable, through-hole package, making it ideal for applications that require robust and resettable protection. Designed with a polymer material that increases resistance when an overcurrent event occurs, the fuse automatically resets once the fault condition is cleared, offering continuous protection without the need for replacement.

Perfect for automotive, industrial, and consumer electronics, the PROSEMI DIP PPTC Fuse is known for its high reliability, fast response time, and low power consumption. Its through-hole design ensures strong mechanical connections, making it suitable for applications where vibration and shock resistance are critical.

With a range of current ratings available, the PROSEMI DIP PPTC Fuse offers an effective, cost-efficient solution for protecting circuits in demanding environments, providing both peace of mind and long-term durability.