Download the FNR-25K820 datasheet PDF.
This datasheet also covers the FNR-05K180 variant, as both devices belong to the same zinc oxide leaded varistors family and are provided as variant models within a single manufacturer datasheet.
Note: The manufacturer provides a single datasheet file (FNR-05K180-JohansonDielectrics.pdf) that lists specifications for multiple related part numbers.
www.DataSheet4U.com HOW TO ORDER Zinc Oxide Leaded Varistors FNR __ 05 K | || Non Linear Resistor Type & Diameter Tolerance Designation Designation Designation See Table A
P/N Example: FNR ─ 05K180T.