Pentru comenzile (plasate în LEI, RO) de minim 150LEI (TVA inclus), transportul este GRATUIT (cu FanCourier).
Wurth Elektronik 4W620 WE-74270191
| Manufacturer |  |
| roWaves SKU | FT-15 |
| Manufacturer code | WE-74270191 |
| Color code | black |
| Material number | 4W620 |
| Initial permeability (µi) | 620 |
| Impedance | @25MHz, 1 turn: 110Ω @25MHz, 2 turns: 390Ω |
| Usable frequency domain | 1...20MHz (wideband Bal-Un) |
| Max. RF power | 1500-2000W (CMC choke) |
| Curie temperature | 150°C typ. |
| Outer diameter (OD) | 61mm |
| Internal diameter (ID) | 35.5mm |
| Height(Ht) | 20mm |
| View Datasheet |  |
18,12 EUR (excl. VAT)
10 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 operating frequency) is sufficient for most applications. The coils should be made with very good quality RG-58 coaxial cable. Any high quality RG-58 coaxial cable can allow 1kW power in 160 / 80m. 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 74270191 (our case), between 6 turns (80/40 / 20m) and 10 turns (160m) would be enough to obtain an impedance of at least 800-1000Ω, from 1.8 – 14MHz .
| Weight | 177 g |
|---|---|
| Dimensions | 6,1 × 6,1 × 2 cm |
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