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74271251S Würth Elektronik 74271251S is a hinged snap-on ferrite core with a 24.99mm inner diameter, designed for cable EMI suppression. It provides 420Ω typical impedance at 100 MHz (1 turn).
Mfr Part #:

74271251S

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
Würth Elektronik 74271251S is a hinged snap-on ferrite core with a 24.99mm inner diameter, designed for cable EMI suppression. It provides 420Ω typical impedance at 100 MHz (1 turn).
Total Stock: 46 pcs
$ Price Range: $21.26 - $32.03

74271251S Available from 1 distributor

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74271251S Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Cable Diameter
Curie Temperature (Typical)
Design
Flammability Rating
Halogen Free
Impedance @ Frequency
Impedance @ Frequency (Typical @ 100 MHz, 1 turn, AWG 26 150 mm)
Initial Permeability (Typical)
Inner Dimension
Length
Material
Military Grade
Mounting Type
Operating Temperature
Plastic Housing Color
SVHC Present
Storage Conditions (Original Packaging)
Storage Temperature
Tape & Reel
Temperature During Mounting
Type

74271251S Description

Short technical summary and product information.

The Würth Elektronik 74271251S is a snap-on ferrite core from the WE-STAR-TEC series, featuring a hinged design with safety key technology for secure locking. It is designed for free-hanging mounting on cables with diameters between 22 mm and 25 mm.

 

The ferrite core offers a typical impedance of 420 Ω at 100 MHz (1 turn, AWG26 test cable) and 270 Ω at 25 MHz. It is made from 4W620 material with an initial permeability of 620 and a Curie temperature of 150°C.

 

The core has a round shape with an inner diameter of 24.99 mm and a length of 62.00 mm. The plastic housing is black and rated UL94 V-0. Operating temperature range is -50°C to +105°C. It is RoHS, REACH, and halogen-free compliant.

74271251S Quick Information

Product Type: Cable Ferrite
Series: WE-STAR-TEC
Canonical Name: WE-STAR-TEC Snap Ferrite with Safety Key, 24.99mm ID, 420Ω @ 100MHz
Subcategory: Snap-On Ferrite

74271251S Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 75
REACH Status: Conform or declared (EC 1907/2006)

74271251S Estimated Pricing

Qty Low High
1+ $32.03 $32.03
5+ $26.46 $26.46
12+ $26.45 $26.45
24+ $21.26 $21.26

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

74271251S Features

  • Hinged snap-on design with safety key for secure locking.
  • 420 Ω typical impedance at 100 MHz (1 turn).
  • 24.99 mm inner diameter for cables 22-25 mm.
  • Operates from -50°C to +105°C.
  • RoHS, REACH, and halogen-free compliant.

74271251S Applications

  • Suppresses EMI on power and signal cables.
  • Suitable for use in general electronic equipment.
  • Ideal for cable diameters 22-25 mm.

74271251S FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the 74271251S ferrite core?

The operating temperature range is -50°C to +105°C.

Is the 74271251S RoHS compliant?

Yes, it is compliant with RoHS (2011/65/EU & 2015/863).

What is the impedance of the 74271251S at 100 MHz?

The typical impedance at 100 MHz with 1 turn (AWG26 150 mm test cable) is 420 Ω ±25%.

What is the inner diameter of the 74271251S ferrite core?

The inner diameter is 24.99 mm.

What cable diameter range is suitable for the 74271251S?

The applicable cable diameter range is 22 mm to 25 mm.

What mounting type does the 74271251S use?

It is a free hanging mounting type with a hinged snap-on design.

What is the material of the 74271251S core?

The core material is 4W620, with an initial permeability of 620.

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