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7427018 WE-TOF EMI suppression toroidal ferrite core from Würth Elektronik. Features 45Ω impedance at 100MHz, 18.6mm outer diameter, and free hanging mounting.
Mfr Part #:

7427018

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
WE-TOF EMI suppression toroidal ferrite core from Würth Elektronik. Features 45Ω impedance at 100MHz, 18.6mm outer diameter, and free hanging mounting.
Total Stock: 265 pcs
$ Price Range: $0.84 - $1.19

7427018 Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
265 pcs
265 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

7427018 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Cable Diameter (Max)
Curie Temperature
Design
Halogen Free
Impedance (Nominal @ 1 turn, AWG 26, 50 mm, 100 MHz)
Impedance (Nominal @ 1 turn, AWG 26, 50 mm, 25 MHz)
Impedance @ Frequency
Initial Permeability
Inner Dimension
Length
Material
Mounting Type
Operating Temperature Range
Outer Dimension
Storage Temperature
Tape & Reel
Type

7427018 Description

Short technical summary and product information.

The Würth Elektronik 7427018 is a WE-TOF series EMI suppression toroidal ferrite core designed for cable-mounted common-mode filtering. It features a solid round design with a free hanging mounting style, suitable for easy installation on cables.

 

Key electrical specifications include an impedance of 34Ω ±25% at 25 MHz and 45Ω ±25% at 100 MHz, measured with a single turn using AWG26 wire. The core has an initial permeability of 1500 typ. and a Curie temperature of 120°C typ. The operating temperature range is -25°C to +125°C.

 

Mechanical dimensions include an outer diameter of 18.60mm, inner diameter of 10.20mm, and length of 6.00mm. It can accommodate cables up to 9.6mm in diameter. The material is 4W1500 ferrite. The part is RoHS and REACH compliant, halogen free, and has MSL 1.

7427018 Quick Information

Product Type: Cable Ferrite
Series: WE-TOF
Canonical Name: WE-TOF EMI Suppression Toroidal Ferrite
Subcategory: EMI Suppression Ferrites

7427018 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: Conform or declared (EC)1907/2006

7427018 Estimated Pricing

Qty Low High
1+ $1.19 $1.19
10+ $1.07 $1.07
50+ $0.96 $0.96
100+ $0.84 $0.84

Estimated market price range - modelled values for guidance only, not live distributor offers.

7427018 Features

  • Solid round toroidal ferrite core design.
  • 45Ω impedance at 100 MHz typical.
  • Free hanging mounting for cable installation.
  • Operating temperature range -25°C to +125°C.
  • RoHS and REACH compliant.

7427018 Applications

  • EMI suppression on power and signal cables.
  • Common-mode noise filtering in electronic equipment.
  • Ideal for cable-mounted ferrite chokes.

7427018 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the 7427018?

-25°C to +125°C.

Is the 7427018 RoHS compliant?

Yes, compliant with 2011/65/EU&2015/863.

What is the impedance of the 7427018 at 100 MHz?

45Ω ±25% with one turn, AWG26 wire, 50mm cable.

What is the outer diameter of the 7427018?

18.60mm.

What is the mounting type?

Free hanging.

What is the maximum cable diameter that can be used?

9.6 mm.

Does the 7427018 comply with REACH?

Yes, conform or declared (EC)1907/2006.

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