Wurth Elektronik Ferrite Key, 37.5 ´ 1.5mm, For General Application
- RS Stock No.:
- 8150021
- Mfr. Prt No.:
- 74271
- Brand:
- Wurth Elektronik
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 8150021 |
| Product description | Wurth Elektronik Ferrite Key, 37.5 <font face="symbol">´</font> 1.5mm, For General Application |
| Manufacturer / Brand | Wurth Elektronik |
| Manufacturer part number | 74271 |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 8150021 |
| Product description | Wurth Elektronik Ferrite Key, 37.5 <font face="symbol">´</font> 1.5mm, For General Application |
| Manufacturer / Brand | Wurth Elektronik |
| Manufacturer part number | 74271 |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Apr 24, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: DE
Product Details
Split Ferrite Rings
These split ferrite cores reduce the electromagnetic interference from being induced in or radiated from data and power cables. High attenuation ratings are achieved with the housing design and the special process steps during the ferrite manufacture. The special snap lock makes the ferrite sleeve suitable for use with a variety of cable diameters and once the split ferrite is locked it cannot be opened accidentally.The outer housing is designed to protect the halves of the core from breakage and ensures simple assembly on to cables that are already installed or which have been fitted with connectors. Fixing to the cable with glue or cable tie is optional. Typical applications for these split ferrite cores include data or power lines used in computer technology, terminals, industrial controllers, medical engineering and office machines.
Ferrite Sleeves Accessories
Wurth Elektronik offer accessories that are specially designed for their ferrite sleeves.
The safety key can be used to unlock and lock the ferrite sleeve. The use of key technology ensures that the ferrite sleeves are reusable and that only authorised parties can unlock the snap ferrites.
STAR-CLIP from are designed for use with STAR-TEC and STAR-FIX snap ferrite sleeves. Constructed from UL94-V0 plastic, these clips require prefixing on to the ferrite sleeve.
Specifications
| Attribute | Value |
| Brand | Wurth Elektronik |
| Type | Safety Key |
| Application | General Application |
| Material | Ferrite |
| Key | No |
| Impedance at 25 MHz | 138 Ω |
| Outer Dimensions | 37.5 <font face="symbol">´</font> 1.5 mm |
| Impedance at 100 MHz | 230 Ω |
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