Würth Elektronik 74271131 WE-STAR-TEC Snap Ferrite with Safety Key Technology — Cable Diameter 6.0–7.5 mm, 235 Ω Impedance @ 100 MHz, Grey UL94 V-0 Housing, Lot of 50 pcs. Tool-free snap-on ferrite sleeve for cables up to 7.5 mm diameter, featuring Würth's proprietary safety key locking mechanism to prevent accidental opening. Delivers 125 Ω at 25 MHz and 235 Ω at 100 MHz (1 turn, AWG26 test cable) for effective EMC suppression on power and signal cables.
Available in stock — ships within 3 days after payment.
Product overview
| Part number | 74271131 |
| Manufacturer | Würth Elektronik |
| Series | WE-STAR-TEC Snap Ferrite with Safety Key Technology |
| Quantity | 50 pcs |
| Product type | Snap-on ferrite sleeve / EMC cable ferrite |
| Applicable cable diameter | 6.0–7.5 mm |
| Impedance @ 25 MHz (1 turn) | 125 Ω ±25 |
| Impedance @ 100 MHz (1 turn) | 235 Ω ±25 |
| Ferrite material | 4W 620 |
| Initial permeability (µi) | 620 typ. |
| Curie temperature | 150 °C typ. |
| Housing colour | Grey |
| Housing flammability rating | UL94 V-0 |
| Operating temperature | −50 °C to +105 °C |
| Dimensions (L × W × H) | 40.0 × 24.0 × 20.0 mm |
| Compatible safety key | 74271 (sold separately) |
| Compatible fixation clip | STAR-CLIP 7427713 (sold separately) |
| Approvals | RoHS, REACh, Halogen Free, AEC-Q200 |
| Condition | New — original packaging (OVP) |
Applications
- EMC suppression on power supply cables, USB leads, and data cables in consumer and industrial electronics
- Reduction of conducted and radiated emissions on cables in compliance with EMC regulations
- Cable ferrite for equipment requiring tamper-resistant or tool-free snap-on ferrite retention
- Retrofit EMC filtering on existing cable assemblies without disassembly of connectors
Shipping
- Ships within 3 days after payment
- Secure packaging for safe delivery
- Free delivery within Germany
Warranty & compliance
- 12-month warranty included
- Product is fully compliant with EU industry standards
- VAT invoice included with every order
(GPSR (EU) 2023/988): Contact us at info@liquisto.com for Manufacturer/EU Responsible Party product safety contact details.