ELJFA4R7JF – TBC
4.7µH Unshielded Wirewound Inductor, 165mA, 1.5Ω, 1210 (3225 Metric).
Stock Quantity: 200
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 0.06 |
| 10+ | |
| 50+ | |
| 100+ |
200 in stock
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- Same day shipping if ordered before 14.00 GMT
- 6 month warranty on all stock items
- All stock held and shipped from our UK warehouse
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Overview
The Panasonic ELJ-FA4R7JF is a fixed, unshielded wirewound inductor designed for precise energy storage and filtering in compact electronic circuits. Its primary function is to introduce impedance into a circuit, effectively opposing changes in current. A critical design consideration for this component is the trade-off between its inductance value (4.7 µH) and its DC resistance (1.5Ω Max). While a lower DCR is generally desirable for minimizing power loss, achieving higher inductance in wirewound structures often necessitates more turns of wire, which inherently increases resistance. Engineers must balance these factors to ensure efficient operation without compromising signal integrity or introducing excessive heat.
Key Features
- Inductance: 4.7 µH ±5%
- Current Rating: 165 mA
- DC Resistance (DCR): 1.5Ω Max
- Q Factor: 30 @ 7.96MHz
- Self-Resonant Frequency: 55MHz
- Package: 1210 (3225 Metric), 0.126″ L x 0.098″ W x 0.094″ H (3.20mm x 2.50mm x 2.40mm)
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- RF signal filtering in wireless communication modules
- Decoupling and noise suppression in portable consumer electronics
- Power supply smoothing in low-power DC-DC converters
- Impedance matching in sensor interface circuits
