About Ferrite Toroids / Ferrite Rings

Essentra Ferrite Toroids / Ferrite Rings

Ferrite Toroids, or Ferrite Rings, are donut-shaped objects made from ferrite, an iron-based alloy commonly used in radio frequency applications. They are used for a wide variety of purposes, including shielding against electromagnetic interference (EMI) and for coupling different parts of an electrical circuit. Ferrite Toroids reduce the amount of EMI that passes through a circuit, isolating components on a board from one another. Additionally, they can be used as a transformer core, owing to their low loss in high-frequency applications. By wiring the different portions of the circuit to different sides of the ferrite ring, it can help maintain a consistent current throughout the entire circuit. Finally, they are used as an inductor, storing and releasing energy as an electromotive force in an electric circuit.
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Enter Qty Core MaterialProductProduct TypeInside DiameterOutside DiameterInside LengthOutside LengthInside HeightOutside HeightTest FrequencyInductanceSeriesPackaging
  
                 
RT-80-40-60


Ferrite: toroidal; L:6mm; Øint:4mm; Øout:8mm; Core mat: K5B; 33O
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ESSENTRA Availability : 372
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USD 0.1563

Multiples of: 1

K5b   8 mm        
RT-180-100-100


Ferrite: toroidal; L:10mm; Øint:10mm; Øout:18mm; Core mat: K5B; 47O
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ESSENTRA Availability : 330
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USD 0.5323

Multiples of: 1

K5b   18 mm        
RT-205-102-100


Ferrite: toroidal; L:10mm; Øint:10.2mm; Øout:20.5mm; Core mat: K5B
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ESSENTRA Availability : 330
Ship by Fri. 07 Jun to Thu. 13 Jun Calender.png

USD 0.7366

Multiples of: 1

K5b   20.5 mm        
RT-80-40-40


Ferrite: toroidal; L:4mm; Øint:4mm; Øout:8mm; Core mat: K5B; 23O
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ESSENTRA Availability : 309
Ship by Fri. 07 Jun to Thu. 13 Jun Calender.png

USD 0.1563

Multiples of: 1

K5b   8 mm        
RT-100-60-30


Ferrite: toroidal; L:3mm; Øint:6mm; Øout:10mm; Core mat: K5B; 15O
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ESSENTRA Availability : 295
Ship by Fri. 07 Jun to Thu. 13 Jun Calender.png

USD 0.1197

Multiples of: 1

K5b   10 mm        
RT-130-70-60


Ferrite: toroidal; L:6mm; Øint:7mm; Øout:13mm; Core mat: K5B; 28O
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ESSENTRA Availability : 268
Ship by Fri. 07 Jun to Thu. 13 Jun Calender.png

USD 0.214

Multiples of: 1

K5b   13 mm        
RT-159-79-143


Ferrite: toroidal; L:14.27mm; Øint:7.87mm; Øout:15.88mm; 79O
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ESSENTRA Availability : 257
Ship by Fri. 07 Jun to Thu. 13 Jun Calender.png

USD 0.4451

Multiples of: 1

K5b   15.88 mm        
RT-200-100-50


Ferrite: toroidal; L:5mm; Øint:10mm; Øout:20mm; Core mat: K5B; 28O
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ESSENTRA Availability : 215
Ship by Fri. 07 Jun to Thu. 13 Jun Calender.png

USD 0.4493

Multiples of: 1

K5b   20 mm        
RT-110-50-90


Ferrite: toroidal; L:9mm; Øint:5mm; Øout:11mm; Core mat: K5B; 60O
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ESSENTRA Availability : 206
Ship by Fri. 07 Jun to Thu. 13 Jun Calender.png

USD 0.2436

Multiples of: 1

K5b   11 mm        
RT-259-128-213


Ferrite: toroidal; L:21.3mm; Øint:12.8mm; Øout:25.91mm; 106O
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ESSENTRA Availability : 193
Ship by Fri. 07 Jun to Thu. 13 Jun Calender.png

USD 3.0561

Multiples of: 1

K5b   25.91 mm        
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