Fog Tin-plated Copper End Caps

The fog tin-plated copper end caps serve the same function as regular tin-plated end caps. They are terminal components used in electrical and electronic applications to provide a point of electrical contact and connect the fuse element or other conductive parts to the circuit.

The fog tin plating is applied to the copper end caps to provide specific characteristics:

Fog tin plating has a non-reflective or dull surface finish compared to the shiny appearance of regular tin plating. This can be desirable in certain applications where a non-reflective surface is preferred.

Like regular tin plating, matte tin plating offers corrosion resistance, protecting the copper end caps from degradation due to environmental factors.

Fog tin plating maintains the excellent solderability of tin, allowing for easy and reliable solder connections during assembly.

Matte tin-plated copper end caps are commonly used in various electrical and electronic applications where a non-reflective surface is desired or where specific aesthetic requirements exist. They provide the same functional benefits as regular tin-plated copper end caps, ensuring a reliable electrical connection and protecting against corrosion.

Fuses play a crucial role in ensuring the safe and reliable operation of new energy vehicles, particularly electric vehicles (EVs), which rely on high-voltage direct current (HVDC) systems. These HVDC systems require comprehensive protection against both low-voltage and high-voltage conditions, with voltage levels ranging from 60V to 1000VDC in main and auxiliary circuits.

Main circuit protection is essential for safeguarding against overcurrent in the high-current charge and discharge of the battery, as well as protecting the drive circuit of the vehicle. On the other hand, auxiliary circuit protection focuses on safeguarding components like air conditioners, DC/DC converters, PTC heaters, air pumps, OBC, and other auxiliary systems from potential risks.

At our company, we offer matte tin-plated copper end caps that are specifically designed for use in High Rupturing Capacity (HRC) fuses. These end caps are ideal for EV/HEV battery module protection, electrical energy storage systems, supercapacitor module protection, and other similar applications. Our high-quality end caps are crafted from copper, known for their excellent conductivity and corrosion resistance, and are plated with matte tin for enhanced durability and performance.

With our extensive experience in supplying metal parts to the EV/PV Fuse industry, including well-known brands like EATON BUSSMANN, MERSEN, ABB, KEMET, BYD, and SINOFUSE, we are proud to offer cost-effective and innovative technology solutions. Our in-house capabilities for stamping die, stamping and drawing machines, in-die riveting, robot laser welding and resistance tin/silver brazing enables us to deliver high-quality products that meet the stringent requirements of the industry.

Furthermore, our supply chains are primarily based in China, known for its stable social environment, and we work with collectivized companies that have established upstream and downstream supply chains to ensure stability in our product availability. Our mature and stable metal futures market forecasting system further strengthens our commitment to providing reliable and consistent supply to our customers.

Safety Certification:

All tin-plating copper caps comply with the EU RoHS directive, lead-free and halogen-free.

Quality System:

We are approved with international quality management system such as IATF16949, ISO9001.

Our tin-plated fuse caps are packaged with care and can be stored for up to one year from the date indicated on the packing label. It is recommended to store them in conditions that include a temperature range of -15°C to +30°C (with no condensation), humidity levels of 85% RH or lower, protection from corrosive gas or sea breeze, absence of visible dust, and no direct exposure to sunlight. Additionally, it is important to avoid applying any loads that may cause deformation or degradation of the product during storage.

We are dedicated to providing high-quality metal parts that meet the unique requirements of the EV/PV Fuse industry. With our extensive experience, in-house capabilities, and stable supply chains, we are committed to delivering reliable, durable, and cost-effective solutions to our valued customers.

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