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WURTH ELEKTRONIK 74271221S Snap Ferrite with Safety Key

The Würth Elektronik STAR-TEC 74271221S is a snap ferrite component designed for general electronic equipment. It incorporates a safety key feature to ensure secure locking and prevent accidental disconnection. This ferrite is engineered to provide specific impedance characteristics, contributing to signal integrity and noise reduction in electronic circuits. It's crucial to adhere to the manufacturer's recommendations regarding storage, operating conditions, and cable diameter to maintain performance and warranty validity. This component is not intended for use in critical safety applications without proper evaluation and agreement with Würth Elektronik.

Authorized Distributors
Source:Newark
Part No:74271221S
Stock:17
Inv Date:06-11-2026
Price: Unit price: $7.93
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Source:DigiKey
Part No:74271221S
Stock:1375
Inv Date:06-11-2026
Price: Unit price: $6.51
Buy/RFQ:
Part No:74271221S
Stock:4124
Inv Date:06-12-2026
Price: Unit price: $6.91
Buy/RFQ:
Part No:74271221S
Stock:0
Inv Date:06-11-2026
Price: Unit price: $8.67
Buy/RFQ:

WURTH ELEKTRONIK 74271221S Snap Ferrite with Safety Key Specifications:

  • A Dimensions: Not specified
  • Applicable Cable Diameter: 7.6 - 7.0 mm
  • Impedance @ 25 MHz 1 turn: 151 Ω
  • Impedance @ 100 MHz 1 turn: 270 Ω
  • Impedance @ 25 MHz 2 turns: 641 Ω
  • Impedance @ 100 MHz 2 turns: 783 Ω
  • Test conditions (Z): 25 MHz, 100 MHz
  • Tolerance: ±25% (typical)
  • Storage Temperature: 0°C to +40°C
  • Operating Temperature: -25°C to +105°C
  • Ferrite core Material: 4 W 620
  • Initial permeability (µi): 620 (typical)
  • Curie temperature (TC): 150 °C (typical)
  • Plastic housing Colour: Black
  • Flammability Classification: UL94-V0
  • Test cable Applicable cable: AWG26
  • Test cable Applicable cable length: 90 mm

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Frequently Asked Questions

Where can I buy WURTH ELEKTRONIK 74271221S?

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

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

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

Who is the manufacturer of 74271221S?

WURTH ELEKTRONIK

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