SPM4030T-R40M

TDK · magnetic · case 4.2x4.0

inductance4e-07 (400 n)
saturation_current7.8 (7.8)
rated_current13.5 (13.5)
dcr0.00517 (5.17 m)
device_typeinductor
familySPM

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

Substitutes

Best 5 of 2826 scored candidates from other manufacturers (catalogue version 2705ed3e49cf9156).

PartManufacturerGradeDirectionFootprint
74438440200040Würth Elektronikminor_reviewmixedone_size_larger
78438440200040Würth Elektronikminor_reviewmixedone_size_larger
FCUL0530-R36MMurataminor_reviewupgradeone_size_larger
XAL4020-401MECoilcraftmajor_reviewmixedfits
XAL6020-451MECCoilcraftminor_reviewupgradeone_size_larger

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.