This document summarizes the material properties of a manganese-zinc ferrite material. It has a high initial permeability of 4400 and saturation flux of 380 mT. It is suitable for wideband and pulse transformers, filters, and interference suppression applications. The material is available in several core shapes including ring, E, EP, U, RM and pot cores.

1. F9 Material Specification
Parameter Symbol Standard Conditions Unit F9
of test
Material Type: Manganese-Zinc Ferrite
Initial Permeability B<0.1mT - 4400
-
Properties: High permeability. (nominal) 10kHz 25°C ±20%
Saturation Flux Bsat H=796 A/m = 10 Oe
Frequency range: Depends on application Density (typical) 25°C mT 380
Remanent Flux H© 0 (from near Saturation)
Typical Applications: Wideband & Pulse Density (typical)
Br
10kHz 25°C mT 180
Transformers, Filter & Coercivity B© 0 (from near Saturation)
Hc
Interference Suppression (typical) 10kHz 25°C A/m 13
applications. Loss Factor tan δ(r+e) B<0.10mT
(maximum) µi 10kHz 25°C 10-6 20
Available core shapes: Ring, E, EP, U, RM & Pot Cores. Curie Temperature
(minimum) ΘC B<0.10mT 10kHz °C 130
Temperature Factor ∆µ +25°C to +55°C 0 to
µi2.∆T B<0.10mT 10kHz °C +2
Resistivity ρ 1 V/cm ohm-
Complex Permeability vs. Frequency (typical) 25°C cm 50
Relative Loss Factor vs. Frequency Dynamic Magnetisation: Typical B-H Loops
Initial Permeability vs. Temperature
Data is derived from measurements on a ring core of 30mm outside diameter.