830003086B

Würth Elektronik · timing · case HC-49/U

frequency4.1943e+06 (4.194 M)
frequency_tolerance2e-05 (20 µ)
frequency_stability3e-05 (30 µ)
load_capacitance1.2e-11 (12 p)
esr100 (100)
device_typeoscillator
technologyquartzCrystal
output_typenone
modefundamental

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

Substitutes

Best 5 of 16 scored candidates from other manufacturers (catalogue version 2705ed3e49cf9156).

PartManufacturerGradeDirectionFootprint
ECS-42-12-1XECS Inc.minor_reviewdowngradefits
FC4SDCBGF4.194304-T1Foxminor_reviewdowngradedifferent_case
FC4STCBGF4.194304Foxminor_reviewdowngradedifferent_case
AS-4.194304MAHE-BTXC CORPORATIONminor_reviewdowngradedifferent_case
ECS-42-12-5PX-TRECS Inc.minor_reviewdowngradedifferent_case

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.