Alumina Ceramic Sleeve Tube for High Voltage EV Fuse
Products Description
The Alumina Ceramic Sleeve Tube for High Voltage EV Fuse is a key component providing electrical isolation, thermal stability, and high-strength wall support.
This product is made of high-purity alumina (Al₂O₃) material, possessing the following characteristics:
High dielectric strength, ensuring safe operation of high-voltage systems
High temperature resistance without deformation, capable of withstanding thermal shock exceeding 900°C upon fuse failure
High mechanical strength, good crack resistance, and not easily damaged
Strong dimensional stability, ensuring a precise fit of the fuse's internal structure
It is not merely an "insulator," but a crucial fundamental component affecting the lifespan, safety, and system efficiency of high-voltage fuses.
Product Advantages: Building an Insurmountable Safety Barrier for You
Absolute Fusing Safety Redundancy
Our Customized Ceramic Tubes can withstand arc energy far exceeding international standards. In extreme DC high-voltage breaking tests, it maintains structural integrity, without cracks, fragments, or any material splashing, providing your products with a safety margin far exceeding regulatory requirements.
Superior High-Voltage Reliability
The dense microstructure endows it with extremely high volume resistivity and dielectric strength, easily meeting the stringent insulation requirements of electric vehicle electrical architectures at 800V and even above 1000V, and its performance does not degrade under long-term high electric fields.
Unparalleled Thermal Shock Resistance
From a frigid environment of -40℃ to the instantaneous high temperature of an arc above its melting point, this dramatic thermal gradient is unbearable for ordinary Ceramic bodies for DC Fuse Link. Through optimized material formulation and sintering processes, we ensure that our products maintain structural stability under these extreme temperature conditions and temperature testing.
Enables compact design
Thanks to its superior performance, our Ceramic Body for Littelfuse bushings can achieve the same level of safety protection with a thinner wall. This enables miniaturized and lightweight fuse designs, helping you achieve higher power density within limited battery pack space.
Technical Features: Safety Performance Guarantee Under High Voltage Environments
Insulation Stability Under High Voltage
In electric vehicle high-voltage systems, insulation performance must remain stable within a voltage range of 300-800V. Our Ceramic Body for Fast Fuses bushings, through microstructural optimization, maintain consistent insulation performance across a wide voltage range, avoiding the problem of drastic insulation performance degradation under high voltage found in traditional bushings.
Structural Stability Under Vibration Environments
Electric vehicles face continuous vibration during operation. Our products, through innovative structural design and material optimization, maintain the structural integrity of the bushing under high vibration environments, preventing microcracks and insulation failure caused by vibration. This stability is not simply achieved by "increasing strength," but through proactive microstructural design.
Performance Consistency Under Temperature Fluctuations
Electric vehicle systems experience temperature fluctuations during operation. Our Fusing Electronic Ceramic bushings, through optimized heat conduction path design, maintain consistent insulation performance as temperature changes occur, avoiding insulation performance fluctuations caused by temperature variations.
Detailed Showcase: Excellence Stems from a Dedicated Focus on Key Aspects
| Perfect Microstructure Presentation | Under a metallographic microscope, uniform and fine alumina grains and clean grain boundaries are visible, exhibiting an ideal structure free of pores and impurities. This is microscopic evidence of the Electrotechnical Ceramics' superior performance. |
| Ultimate Pursuit of Dimensional Precision | Each batch of Fuse Link Ceramic Bodies undergoes full-size inspection using an optical 3D scanner, ensuring that the CPK value of critical dimensions is greater than 1.67, providing precise components for automated assembly. |
| Rigorous Control of Surface Quality | Surface morphology analysis using an electron microscope ensures the absence of microscopic cracks and protrusion defects. This perfect surface condition is a crucial guarantee for the reliability of high-voltage insulation. |
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