Toroids / Rings

Manufacturers

View larger

Fair-Rite FT400-31 4" diameter toroidal ferrite

Reference: FT400-31

Condition: New

Availability: Low stock (5 pcs)

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.