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WURTH ELEKTRONIK 74271221 Snap Ferrite Core

The Würth Elektronik WE-STAR-TEC 74271221 is a snap ferrite core designed for use in general electronic equipment. It incorporates a safety key technology for secure mounting and reliable performance. This ferrite core is RoHS compliant, demonstrating a commitment to environmental responsibility. Suitable for a wide range of applications, it offers excellent impedance characteristics and is designed for ease of integration into electronic circuits. Würth Elektronik eiSos GmbH & Co. KG emphasizes that this product is not intended for use in critical safety applications without proper evaluation and agreement.

Authorized Distributors
Source:Newark
Part No:74271221
Stock:12048
Inv Date:06-12-2026
Price: Unit price: $7.2
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Source:DigiKey
Part No:74271221
Stock:16396
Inv Date:06-12-2026
Price: Unit price: $5.85
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Part No:74271221
Stock:5827
Inv Date:06-12-2026
Price: Unit price: $6.16
Buy/RFQ:
Part No:74271221
Stock:950
Inv Date:06-12-2026
Price: Unit price: $6.28
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WURTH ELEKTRONIK 74271221 Snap Ferrite Core Specifications:

  • Dimensions: 41.6 x 33.5 x 28.4 mm ±1.0
  • Applicable Cable Diameter: 8.5 - 10.5 mm
  • Impedance @ 25 MHz (1 turn): 151 Ω ±25%
  • Impedance @ 100 MHz (1 turn): 270 Ω ±25%
  • Impedance @ 100 MHz (2 turns): 783 Ω (typical)
  • RoHS Approval: Compliant [2011/65/EU&2015/863]
  • REACh Approval: Conform or declared [(EC)1907/2006]
  • Halogen Free: Conform [JEDEC JS709B] and [IEC 61249-2-21]
  • Temperature during mounting process: +15 °C up to +35 °C
  • Operating Temperature: -25 °C up to +105 °C
  • Storage Conditions (in original packaging): < 40 °C ; < 75 % RH
  • Storage Conditions (for single parts): 15 °C up to +35 °C; 45 % up to 65 % RH
  • Material: 4 W 620
  • Initial Permeability (µi): 620 (typical)
  • Curie Temperature (TC): 150 °C (typical)
  • Plastic Housing Color: Grey
  • Plastic Housing Flammability Rating: UL94 V-0
  • Test Cable: AWG26
  • Test Cable Length: 90 mm
  • Cable Diameter: 8.5 - 10.5 mm

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Frequently Asked Questions

Where can I buy WURTH ELEKTRONIK 74271221?

You can click on the BUY or RFQ button to purchase 74271221 from an authorized WURTH ELEKTRONIK distributor.

How do I troubleshoot issues or seek technical support for part 74271221?

You can download the 74271221 datasheet or visit the WURTH ELEKTRONIK website for support.

Who is the manufacturer of 74271221?

WURTH ELEKTRONIK

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