B68450 datasheet(2/6 Pages) EPCOS

2 / 6 page

560 08/01

Basic features

I Composite material of polymer and ferrite for injection molded parts

I Minor influence of temperature

I High dc magnetic bias capability

I Suitable for a wide frequency range

I High electrical resistance

Technical benefits

I High mechanical stability

I Excellent dimensional stability

I Manufacturing technique: injection molding

→ production of any core shape possible

I Distributed air gap

→ low winding losses

Applications

I Inductive proximity switches

I Identification systems, e.g. immobilizer in automobiles

I Non-contact power transmission

I Resonance inductors for DC/DC converters

Core shapes on request

Physical properties

Material

Symbol

Unit

C302

Initial permeability; f = 1 MHz

µi

± 20 %

Flux density (near saturation)

H = 25 kA/m; f = 10 kHz

BS (25 °C)

330

Remanent flux density

H = 25 kA/m; f = 10 kHz

Br (25 °C)

Coercive field strength

H = 25 kA/m; f = 10 kHz

HC (25 °C)

A/m

770

Relative loss factor

f =

1 MHz

f = 100 MHz

tan

δ/µi

< 0,0004

< 0,03

Hysteresis material constant

ηB

10–3/mT

< 0,25

Temperature coefficient

α = ∆µ/µ∆T

1/K

< 0,0002

Density

kg/m3

3500

Resistivity

f = 10 kHz

f = 10 MHz

ρΩm

Dielectric constant

f = 10 kHz

f = 10 MHz

εr

280

100

Max. operating temperature

Tmax

°C

180

C302

FPC

C 302, C 351

B68450 Scheda tecnica(PDF) 2 Page - EPCOS

B68450 Scheda tecnica(HTML) 2 Page - EPCOS

Html Pages

1 2 3 4 5 6

Scheda tecnica Scarica

Link URL