Wurth Elektronik 74271132 WE-STAR-TEC Snap Ferrite

The WE 74271132 is a snap ferrite from the WE-STAR-TEC series manufactured by Würth Elektronik. Designed for effective electromagnetic interference (EMI) suppression, this component provides a convenient solution for reducing high-frequency noise on cables and wiring harnesses in electronic equipment.

Electrical Characteristics

The 74271132 is manufactured using material 4W620, which provides high initial permeability for effective EMI suppression across a broad frequency range. The impedance characteristics vary with the number of cable turns through the core, allowing designers to optimize filtering performance based on application requirements.

• Impedance at 25 MHz: 141 Ω (1 turn), 603 Ω (2 turns)

• Impedance at 100 MHz: 241 Ω (1 turn), 755 Ω (2 turns)

• Applicable Cable Diameter: 7.0 to 8.5 mm

• Operating Temperature: -25°C to +105°C

• Material: 4W620 Ferrite

• Curie Temperature: 150°C

Mechanical Specifications

The ferrite core measures 40.0 mm x 20.0 mm x 24.0 mm, providing a compact footprint suitable for space-constrained installations. The safety key mechanism ensures reliable closure and prevents accidental opening during operation or maintenance.

Compliance and Applications

The 74271132 is RoHS compliant and halogen-free, meeting modern environmental standards. It is suitable for general electronic equipment where EMI suppression is required to ensure electromagnetic compatibility (EMC). Typical applications include power supply cables, data lines, and control wiring in industrial equipment, consumer electronics, and telecommunications systems.