SPFJSiec Polskiej Fizyki Jadrowej (Polish: Poland Nuclear Physics)
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The SPFJ Series and SPFI are part of a comprehensive offering of circuit protection products including fuses, relays and TVS diodes that Littelfuse offers for protection of solar installations.
Additionally, the SPFJ Series is approved as a UL Class J fuse.
The small size and global adaptability of the SPFJ brings a lot of value, as OEM designers struggle to find critical space and meet multiple global standards.