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WURTH ELEKTRONIK 74272142 LFS Snap Ferrite Core

The Würth Elektronik WE-STAR-TEC LFS Snap Ferrite Core is a component designed for use in general electronic equipment. It incorporates a safety key technology to prevent incorrect usage and is manufactured to RoHS standards. Proper storage and handling, including maintaining appropriate humidity levels and ambient temperatures during processing, are essential for optimal performance and to avoid voiding the warranty. The component is not intended for use in critical safety applications without proper evaluation and agreement with Würth Elektronik.

Authorized Distributors
Source:Newark
Part No:74272142
Stock:176
Inv Date:06-12-2026
Price: Unit price: $6.03
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Source:DigiKey
Part No:74272142
Stock:205
Inv Date:06-12-2026
Price: Unit price: $4.94
Buy/RFQ:
Part No:74272142
Stock:1254
Inv Date:06-12-2026
Price: Unit price: $5.2
Buy/RFQ:
Part No:74272142
Stock:0
Inv Date:06-12-2026
Price: Unit price: $7.11
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WURTH ELEKTRONIK 74272142 LFS Snap Ferrite Core Specifications:

  • Applicable Cable Diameter: 3.5 - 5.0
  • Impedance @ 300 kHz (1 turn): 5 Ω min.
  • Impedance @ 1 MHz (1 turn): 20 Ω min.
  • Impedance @ 10 MHz (1 turn): 65 Ω min.
  • Impedance @ 300 kHz (2 turns): 40 Ω typ.
  • Impedance @ 1 MHz (2 turns): 140 Ω typ.
  • Impedance @ 10 MHz (2 turns): 252 Ω typ.
  • Temperature during mounting process: +15 °C up to +35 °C
  • Operating Temperature: -25 °C up to +105 °C
  • Storage Conditions (original packaging): < 40 °C ; < 75 % RH
  • Storage Conditions (single parts): 15 °C up to +35 °C; 45 % up to 65 %
  • Material: 8 W 5000
  • Initial Permeability (µi): 5000 typ.
  • Curie Temperature (TC): 160 °C typ.
  • Plastic Housing Color: Grey
  • Plastic Housing Flammability Rating: UL94 V-0
  • Test Cable: AWG26
  • Test Cable Length: 200 mm
  • Cable Diameter: 3.5 - 5 mm
  • Scale: 1:1

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Frequently Asked Questions

Where can I buy WURTH ELEKTRONIK 74272142?

You can click on the BUY or RFQ button to purchase 74272142 from an authorized WURTH ELEKTRONIK distributor.

How do I troubleshoot issues or seek technical support for part 74272142?

You can download the 74272142 datasheet or visit the WURTH ELEKTRONIK website for support.

Who is the manufacturer of 74272142?

WURTH ELEKTRONIK

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