500VDC SMD fuse saves space on EV boards

Optimised for electric vehicle (EV) applications, the Nano2 885 series fuse offers short-circuit protection up to 1500A.

Littelfuse offers the compact, automotive-qualified fuses with interrupt current ratings up to 1500A. They are optimised for use in high voltage automotive applications up to 350V AC or 450/500V DC.

The Nano2 885 series fuse is designed to protect EVs against severe fault/short-circuit currents, ensuring reliability in harsh environments. They have a low profile and a footprint of just 10.86 x 4.78mm. According to Littelfuse, the 885 series fuse is the smallest surface-mount fuse on the market for 450/500VDC automotive applications. It is particularly suitable for applications where circuit board space is limited and legacy through-hole fuses are unsuitable. Typical automotive applications for the 885 series fuse include Li-Ion battery packs used in EVs, battery management systems (BMS), on-board chargers, high-voltage DC/DC converters and sense lines.

The solderless platform minimises the risk of nuisance openings due to the mechanical bonding failures typically associated with traditional fuse soldering, says Littlelfuse, ensuring consistent overload performance. Other benefits are the high DC voltage ratings up to 500V DC and interrupting current ratings up to 1500A. This combination provides reliable protection against severe fault/short-circuit currents for EVs. Compliance with the automotive qualifications developed by Littelfuse based on the AEC-Q200 test plan ensures reliability in harsh automotive environments.​

The Nano2 885 series fuse is available in current ratings from 1.0 to 5.0A.

Nano2 885 series fuses are available in quantities of 1,500 in tape and reel format. Sample requests may be placed through authorised Littelfuse distributors worldwide.

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http://www.Littelfuse.com