Lite Introduces 463 Series NANO2? Subminiature Fuses
Littelfuse, a global leader in circuit protection, has recently introduced the 463 Series NANO2® fuse, a fast-acting, ultra-high current fuse designed for demanding high-current applications. Compared to the existing 456 Series NANO2 fuse, the 463 Series offers improved thermal cycle tolerance, capable of withstanding 500 cycles at extreme temperatures ranging from -30°C to +80°C. This enhanced reliability helps prevent false disconnections caused by thermal cycling in critical systems.
The 463 Series provides robust circuit protection with an ultra-high current rating of up to 500A@72VDC, all within a compact surface-mount package measuring just 10.1mm x 3.12mm x 3.12mm. Its low temperature ramping performance and excellent thermal stability make it ideal for use in data communications and telecommunications equipment, such as high-speed servers, base stations, power supplies, and blade computing systems.
Daniel Wang, Product Manager for the 463 Series, stated, "High-performance data centers and communication systems require fuses that can handle high currents and withstand harsh thermal conditions. The 463 Series NANO2 fuses are engineered to prevent false tripping due to transient surges during hot swapping, ensuring reliable operation in critical environments."
Key features of the 463 Series NANO2 fuses include:
- High rated current (15A–30A) and voltage ratings up to 100VDC, enabling higher power operation in blade servers
- Enhanced thermal cycle resistance for improved reliability in extreme conditions
- High melting point i²t value to avoid false trips during hot plugging or unplugging
- Surface mount design saves board space and allows flexible placement on small server boards
- Wide operating temperature range (-55°C to 125°C), ensuring consistent performance in high-temperature environments
The 463 Series NANO2 fuses are available in 2,500-piece tape and reel packaging. For more detailed specifications, you can access the datasheet here: [http://datasheet.eepw.com.cn/datasheet/show/id/3121127](http://datasheet.eepw.com.cn/datasheet/show/id/3121127)
Whether you're designing next-generation telecom infrastructure or high-density server systems, the 463 Series NANO2 fuse is a powerful solution that combines performance, reliability, and space efficiency.
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