RW1T1R40D

KOA Speer · resistor

resistance1.4 (1.4)
tolerance0.005 (5 m)
power_rating1 (1)
power_rating_temperature25 (25)
max_voltage130 (130)
familyRW1
technologywirewound

Report a problem with this part (opens a public GitHub issue) · data quality

Substitutes

Best 5 of 1874 scored candidates from other manufacturers (catalogue version 44272244696ae387).

PartManufacturerGradeDirectionFootprint
RWR81N1R40BSB12Vishayminor_reviewupgradesmaller
RWR81S1R40BRB12Vishayminor_reviewupgradesmaller
RWR81S1R40BRBSLVishayminor_reviewupgradesmaller
RWR81S1R40BRRSLVishayminor_reviewupgradesmaller
RWR80S1R40DRB12Vishayminor_reviewupgradeunknown

Grades: drop_in, minor_review, major_review, redesign, no_substitute. “unverified” means a record is silent on that point, not that the part passed it. full cross-reference as JSON.

Values are SI base units; a spec not listed is not stated in the part's record (it is not zero). Machine access: MCP at /mcp, /llms.txt. Open catalogue — Kelvin.