Custom and Bulk Fuse Solutions for Automotive, EV, Power Supply, Industrial, and Renewable Energy Applications
We supply a wide range of overcurrent protection devices for different circuit protection requirements, from compact PCB-level designs to high-current automotive, photovoltaic, and industrial power systems. Standard products, custom support, and bulk supply are available for project-based sourcing.
PROSEMI fast-acting and time delay SMD fuses are available in 0402, 0603, 1206, and 1214 packages, with current ratings ranging from 0.2A to 60A, providing reliable overcurrent protection for a wide range of electronic designs. These fuses are engineered to meet the requirements of consumer electronics, automotive electronics, and energy storage systems, where compact size, stable performance, and consistent protection characteristics are critical.
Featuring a compact footprint and robust construction, PROSEMI chip fuses help minimize PCB space while ensuring reliable interruption performance under fault conditions. With flexible manufacturing capability and lead times as short as 4–8 weeks, PROSEMI SMD fuses can be precisely matched to demanding design requirements, delivering an optimal balance of safety, efficiency, and durability. Common ratings such as 1A, 1.5A, 2A, 3A, 5A, 10A, and 20A ect, are kept in regular stock to support urgent sourcing requirements.
Download the product manual below for detailed electrical specifications, dimensions, and application guidelines. For sample requests, technical consultation, quotations or fuse cross reference solutions, please contact our.
PROSEMI fast-acting and time-delay high current SMD brick fuses are available in 2410, 1240, 1032, and 1245 packages, with rated currents ranging from 0.1A to 100A, providing reliable overcurrent protection for a wide range of electronic designs.
These brick fuses can replace certain through-hole fuse solutions while supporting rated voltages up to 600V and current ratings up to 100A, making them suitable for high-power and high-reliability applications.
With short lead times of as little as 4–8 weeks, commonly used current ratings such as 10A, 15A, 20A, 25A, 30A, 40A, 50A, 60A, 80A, and 100A are readily available to support urgent production requirements.
Please download the datasheet below for detailed electrical specifications, dimensions, and application guidelines. Our engineering team is available to support part selection, cross-reference analysis, and design optimization, and can also assist with samples, technical consultation, and quotation requests.
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.
| Type | Resistance Range | Key Features | Typical Applications |
|---|---|---|---|
| Chip Fuse (SMD Type) | 10 mΩ – 500 mΩ | Compact size, fast response, low resistance | Mobile devices, communication modules, consumer electronics |
| Brick Fuse | 0.5 mΩ – 20 mΩ | High current handling, strong thermal stability, low voltage drop | Battery management systems, DC-DC converters, automotive electronics |
| Bolt Down Fuse | < 0.5 mΩ | High power rating, durable housing, reliable contact | EV batteries, power distribution units, energy storage |
| SMD Resettable (PTC Fuse) | 0.1 Ω – 10 Ω | Self-resetting, reusable, space-saving design | IoT devices, small appliances, portable power systems |
| DIP PPTC Fuse | 0.2 Ω – 15 Ω | Reusable, through-hole mounting, cost-effective | Power adapters, telecom, industrial control |
| PV Fuse | < 1 mΩ | High voltage endurance, arc suppression, stable protection | Solar panels, inverters, renewable energy systems |
| EV Fuse | < 1 mΩ | Designed for high voltage and current, meets automotive standards | Electric vehicles, charging stations, power modules |
| Ceramic Tube Fuse | 10 mΩ – 200 mΩ | Strong insulation, flame-retardant, stable performance | Power supplies, household appliances, test equipment |
A wide range of standard current sensing resistor series for customers who need fast selection and quick project integration. Suitable for projects with clear specifications and stable sourcing requirements.
Custom development support for resistance value, package, power rating, low TCR, automotive-grade, and special structural requirements. Designed for projects that need better application fit and tailored performance
Product recommendations based on actual application needs such as BMS, EV, charging systems, power supplies, industrial control, and consumer electronics. We help customers choose more suitable resistor solutions for their projects.
Support from model selection and datasheets to samples, bulk orders, and quality coordination. PROSEMI helps customers improve development efficiency and supply reliability from start to finish.
Automotive electronic systems often require overcurrent protection devices that can perform reliably under vibration, temperature variation, and continuous operating conditions.
Electric and hybrid vehicle projects usually require fuse solutions with high interrupting capacity, stable protection performance, and support for battery packs and high-voltage auxiliary systems.
Power supply applications generally need stable overcurrent protection for input, output, and internal circuit sections, with consideration for mounting style, response speed, and product compatibility.
Photovoltaic and renewable energy systems often require dedicated fuse solutions for DC protection, solar wiring, and combiner box safety under demanding outdoor and long-cycle operating conditions.
Industrial devices usually require reliable overcurrent protection solutions that can support different circuit structures, power levels, and long-term operation in working environments.
Compact electronic devices and telecom products often need space-efficient circuit protection with stable electrical behavior and support for repeated fault conditions in some applications.
Prosemi Technology, as a leading company in the field of precision current sensing components, is dedicated to providing customers with high-performance and high-reliability solutions. Our precision alloy current-sensing resistors, including SMD current sense chip resistors and shunt resistors, are designed for a variety of applications, helping your products achieve accurate current detection and efficient energy management.
PROSEMI operates modern facilities with controlled environments to ensure stable quality and efficient production, from raw materials to final assembly.
Automated and semi-automated production lines ensure consistent performance, with continuous monitoring to maintain strict quality standards.
Certified to ISO9001, ISO14001, and IATF16949, with AEC-Q200 compliant products available for automotive and high-reliability applications.
We supply a broad range of overcurrent protection devices, including chip fuses, brick fuses, SMD resettable fuses, EV fuses, PV fuses, ceramic cartridge fuses, high-speed square body fuses, and bolt down fuses for different circuit protection requirements.
Selection depends on rated current, operating voltage, interrupting capacity, package type, mounting method, and application environment. Share your technical requirements with us, and we can recommend a suitable product for your project.
Yes. We support both standard products and custom solutions based on your application, structural requirements, and electrical performance needs.
Yes. Our products are widely used in automotive electronics, EV and HEV systems, power supplies, renewable energy systems, industrial equipment, consumer electronics, and telecom applications.
Yes. We support sample requests for testing, verification, and project evaluation before mass purchasing.
Yes. We support bulk orders and stable supply for long-term projects, distributor cooperation, and OEM or ODM purchasing needs.
Headquarters Address: #901, 9th Floor, No.2 Building, No.8 Dayan Road, Suzhou Area of China (Jiangsu) Pilot Free Trade Zone, 215000
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