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Wurth WE-742700790 ferrite bead
13,18 EUR (excl. VAT)
11 in stock
Usable frequency ranges, depending on the application:
- broadband transformers: 1 – 30 MHz
- RFI / EMI / CMC suppression: 1 – 20 MHz
An impedance > 1000Ω (for the operating frequency) is sufficient for most applications. The coils should be made with very good quality RG-316 coaxial cable. Any high quality RG-316 coaxial cable can allow 500W-1kW power in 160 /80/40m bands. For higher bands> 10MHz, it is recommended to use the additional Teflon insulated coaxial cable to keep the losses low.
According to the table below, for Wurth Elektronik 742700790 (our case), between 5 – 8 turns would be enough to obtain an impedance of at least 1000-2500Ω, from 1.8 – 14MHz .
Weight | 54 g |
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Dimensions | 2,6 × 1,3 × 2,9 cm |
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