B66421U0250K187 – EPCOS
Uncoated N87 Ferrite Core EFD Type 25.00mm Length 9.10mm Width Diameter 12.50mm Height
Stock Quantity: 116
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 1.46 |
| 10+ | |
| 50+ | |
| 100+ |
116 in stock
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- 6 month warranty on all stock items
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Overview
The EPCOS B66421U0250K187 is a high-performance, gapped EFD25/13/9 ferrite core designed for efficient energy transfer in power conversion circuits. Its N87 material composition offers a favorable balance between high permeability and low core losses at elevated frequencies, a critical consideration for optimizing power supply efficiency. While its compact form factor is advantageous for space-constrained designs, engineers must carefully manage thermal dissipation, as the N87 material’s core loss characteristics can necessitate robust thermal management strategies in high-power applications to prevent saturation and maintain performance integrity.
Key Features
- Core Type: EFD 25 x 13 x 9 mm
- Material: N87 Ferrite
- Configuration: Gapped
- Dimensions: 25.00mm (L) x 9.10mm (W) x 12.50mm (H)
- Packaging: Bulk Box
- Status: Active Component
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.
- High-frequency transformer winding for switch-mode power supplies (SMPS)
- Inductor design for DC-DC converters with demanding ripple current requirements
- Coupling transformer in isolated gate driver circuits
- Energy storage element in resonant converter topologies