Essentra Ferrite Ring Toroid Core, For: Multi-Turn Suppression Core, 20.5 (Dia.) x 10mm

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Subtotal (1 pack of 5 units)*

£12.89

(exc. VAT)

£15.47

(inc. VAT)

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  • Shipping from 16 February 2026
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Units
Per unit
Per Pack*
5 - 70£2.578£12.89
75 - 245£2.37£11.85
250 - 495£2.164£10.82
500 - 1245£1.976£9.88
1250 +£1.774£8.87

*price indicative

RS Stock No.:
257-4430
Mfr. Part No.:
RT205-102-100-K5B
Brand:
Essentra
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Brand

Essentra

Type

Toroid Core

Dimensions

20.5 (Dia.) x 10mm

Application

Multi-Turn Suppression Core

Material

K5B

Diameter

20.5mm

Height

10mm

Inner Diameter

10.2mm

Outer Diameter

20.5mm

COO (Country of Origin):
TW

RT Series


Use as a filter for common-mode interference and for common mode and power signal insertion losses. Make sure you have the right impedance for the frequency when you select your ferrite core.
For one or more coils. Especially suited for wires, coaxial cables, twisted pairs and multi-core cables.

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