W2FMI Balun and Ununs Introduction and Information

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33 Material

An economical MnZn ferrite designed for use in open circuit applications for frequencies up to 3.0 MHz.

Rods are available in 33 material.

33 Material Characteristics

Property	Unit	Symbol	Value
Initial Permeability @ B <10 gauss		µ_i	600
Flux Density @ Field Strength	Gauss oersted	B H	2800 5
Residual Flux Density	Gauss	B_r	1200
Coercive Force	Oersted	H_c	0.6
Loss Factor @Frequency	10^-5 MHz	tan δµ_i	25 0.2
Temperature Coefficient of Initial Permeability (20-70^oC)	%/^oC		0.1
Curie Temperature	^oC	T_c	>150
Resistivity	^{Ω cm}	ρ	1 x 10²

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Last Updated 09/29/2012 23:10:58