High-Speed Fuse

The PROSEMI High-Speed Fuse is engineered for rapid response to overcurrent conditions, providing exceptional protection for sensitive electronic components in high-speed circuits. With ultra-fast reaction times, these fuses effectively prevent damage from short circuits and power surges, ensuring the safety and reliability of your devices.

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.

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High-Speed Fuse

High-Speed Fuse Related Products

We offer a wide range of categorized products, each of which has been carefully selected and designed to meet the individual needs of diverse consumers.
Model Interrupting Rating Voltage Rating (V) Ampere Rating (A) Dimension (mm) Power loss (W) I²t (A² Sec) Pre-arcing I²t (A² Sec) Total Automotive PDF
E5SD-300A-TA 500Vdc@50kA L/R: 2ms 500VDC 300 49x36x24mm 7.1 20500 67500 Yes
E5SD-350A-TA 500Vdc@50kA L/R: 2ms 500VDC 350 49x36x24mm 7.85 32600 107580 Yes
E5SD-400A-TA 500Vdc@50kA L/R: 2ms 500VDC 400 49x36x24mm 9.8 42250 148000 Yes
HMSD50-450A-T 500Vdc@50kA 500VDC 450 49x36.5x31.5mm 23 Yes
HMSD50-500A-T 500Vdc@50kA 500VDC 500 49x36.5x31.5mm 24.4 Yes
HMSB50-450A-T 500Vdc@20kA 500VDC 450 55x43x47mm <15 Yes
HMSB50-500A-T 500Vdc@20kA 500VDC 500 55x43x47mm <18 Yes
HMSB50-630A-T 500Vdc@20kA 500VDC 630 55x43x47mm <22 Yes
HMSB50-700A-T 500Vdc@20kA 500VDC 700 55x43x47mm <27 Yes
HMSB75-500A-T 750Vdc@50kA 750VDC 500 55x43x47mm <20 35000 180000 Yes
HMSB75-550A-T 750Vdc@50kA 750VDC 550 55x43x47mm <23 49400 238000 Yes
HMSB75-630A-T 750Vdc@50kA 750VDC 630 55x43x47mm <25 61000 295000 Yes
E7SD-200A-TA 750Vdc @ 20kA 750Vdc@50kA * 750VDC 200 57x36x24mm 33 7560 39300 Yes
E7SD-250A-TA 750Vdc @ 20kA 750Vdc@50kA * 750VDC 250 57x36x24mm 33 7560 39300 Yes
E8SD-150A-TA 800Vdc @ 20kA 800Vdc@50kA * 800VDC 150 57x36x24mm 32 2100 11550 Yes
E8SD-200A-TA 800Vdc @ 20kA 800Vdc@50kA * 800VDC 200 57x36x24mm 40 4100 23300 Yes
E8SD-250A-TA 800Vdc @ 20kA 800Vdc@50kA * 800VDC 250 57x36x24mm 48 8900 50700 Yes
E8SD-315A-TA 800Vdc @ 20kA 800Vdc@50kA * 800VDC 315 57x36x24mm 60 12500 73000 Yes
E8SD-350A-TA 800Vdc @ 20kA 800Vdc@50kA * 800VDC 350 57x36x24mm 65 18500 115000 Yes
E8SD-400A-TA 800Vdc @ 20kA 750Vdc @50kA* 800VDC 400 57x36x24mm 72 26500 172000 Yes
H8SA-100A-TA 800Vdc@50kA 800VDC 100 57x20x25mm 21 990 5120 Yes
H8SA-125A-TA 800Vdc@50kA 800VDC 125 57x20x25mm 23 1650 8910 Yes
H8SA-150A-TA 800Vdc@50kA 800VDC 150 57x20x25mm 25 2750 16500 Yes
H8SA-200A-TA 800Vdc@50kA 800VDC 200 57x20x25mm 30 6200 41500 Yes

Certified Excellence

Our operations are backed by the top certifications, proving our dedication to excellence:

1.ISO 9001 and ISO 14001 - Our commitment to quality management and environmental management systems assures efficiency and sustainability in every process.

2.IATF16949 Automotive System - We meet the stringent requirements of the automotive industry, emphasizing defect prevention and the reduction of variation and waste in the supply chain.

3.AEC-Q200 Certification - This certification stands as a testament to our products' reliability and performance in automotive electronics.

4.Comprehensive Environmental Quality Certifications - With UL, REACH, RoHS, VED, and HF certifications, our products meet the highest standards of environmental safety, reducing harmful impacts.

Certified Excellence

Innovation In Miniaturization

We take pride in our capability to produce the thinnest chip precision alloy resistors, with thicknesses as minimal as ≤0.35mm. This positions us as the sole manufacturer in China capable of designing, developing, and producing full-size chip precision alloy current sensing resistors ranging from 0402 to 5930 sizes.

Innovation In Miniaturization

Reliability And Customization

Understand that each project carries its unique challenges. Therefore, we offer flexible delivery cycles varying from 6 to 12 weeks, tailored to meet your specific needs without compromising on quality or environmental integrity.

Reliability And Customization

Relevant Cases

PROSEMI electronic components are widely applied across multiple fields, ensuring the safe and efficient operation of equipment, and gaining trust within the industry.

PROSEMI TECHNOLOGY

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