Name: UR42/21/12-3C81
Brand: Ferroxcube
SKU: UR42-21-12-3C81
Rating: 5 (120 reviews)

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Part Number	UR42/21/12-3C81
OEMstron Part #	UR42-21-12-3C81
Manufacturer	Ferroxcube
Category	Power › Magnetics › Ferrite Cores
Description	CORES
Lifecycle	Active
RoHS	No RoHS Information
EDA/CAD Models	UR42/21/12-3C81 PCB Footprint and Symbol
Warehouses	USA, Europe, China, Hong Kong SAR
Estimated Delivery	May 24 - May 29 (Choose Expedited Shipping)
Warranty	Up to 1 year [Limited-Warranty]*
Payment
Shipping

Part Number	UR42/21/12-3C81
Brand	Ferroxcube
Lifecycle	Active
RoHS	No RoHS Information
Product Line	Power
Category	Magnetics
Subcategory	Ferrite Cores
Manufacturer	Ferroxcube
Series	-
Core Type	UR
Supplier Device Package	-
Material	-
Diameter	-
Inductance Factor (Al)	-
Tolerance	-
Gap	-
Effective Permeability (µe)	-
Initial Permeability (µi)	-
Core Factor (ΣI/A) mm¹	-
Effective Length (le) mm	-
Effective Area (Ae) mm²	-
Minimum Core Cross Section (Amin) mm²	-
Effective Magnetic Volume (Ve) mm³	-
Finish	Uncoated
Height	21.00mm
Length	42.00mm
Width	12.00mm

UR42/21/12-3C81 Specifications