Fair-Rite FT240-31 View larger

Fair-Rite FT400-31 4" diameter toroidal ferrite

FT400-31

New

Backordering available (3-5 days)

£ 24.99

Volume discounts

Quantity Price You Save
5 £ 24.75 Up to £ 1.25
10 £ 24.50 Up to £ 5.00
25 £ 23.75 Up to £ 31.24
50 £ 23.00 Up to £ 99.96

Data sheet

Usage EMI/RFI Suppression
Frequency range Lower & Broadband Frequencies 1-300 MHz
Weight 420 g
Diameter (External) 101.60 ±2.60 mm
Diameter (Internal) 76.20 ±2.00 mm
Depth 25.40 ±0.70 mm
Material MnZn (31)
Impedance 175 Ω @ 100 MHz
RoHS compliant yes

More info

Fair-Rite FT400-31 toroidal ferrite core

4" outer diameter

3" inner diameter

31 material

An MnZn ferrite designed specifically for EMI suppression applications from as low as 1 MHz up to 500 MHz. This material does not have the dimensional resonance limitations associated with conventional MnZn ferrite materials. Round cable EMI suppression cores, round cable snap-its, flat cable EMI suppression cores and flat cable snap-its are all available in 31 material.

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