DR127-330-R – TBC
33 µH, 20% Shielded Drum Core Power Inductor, 3.23 A, 60 mOhm DCR
Stock Quantity: 4
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 0.61 |
| 10+ | |
| 50+ | |
| 100+ |
4 in stock
Contact us for volume pricing
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- 6 month warranty on all stock items
- All stock held and shipped from our UK warehouse
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Overview
The Eaton DR127-330-R is a shielded, wirewound drum core inductor designed for demanding power conversion and filtering applications. Its primary function is to store magnetic energy and oppose changes in current, crucial for stabilizing voltage rails and suppressing EMI. A key design consideration for inductors of this type is the trade-off between inductance value and DC resistance (DCR); while higher inductance is often desirable for filtering, it typically necessitates longer or thinner windings, increasing DCR and leading to power dissipation. The DR127-330-R balances this by offering a substantial 33 µH with a competitive 60 mΩ DCR, making it suitable for applications where efficiency is paramount.
Key Features
- Inductance: 33 µH ±20%
- Current Rating: 3.23 A
- Saturation Current (Isat): 6.22 A
- DC Resistance (DCR): 60 mΩ
- Shielding: Shielded
- Dimensions: 12.50mm x 12.50mm x 8.00mm (L x W x H)
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.
- Switching regulator output filtering for DC-DC converters
- Input EMI suppression in power supplies
- Energy storage in buck-boost converter topologies
- Choke function in audio amplifier power rails
