# Transformer Cores, EFD, EFD20/10/7, N87, DC/DC Converters, 47 mm, 31 mm²

![Product image](https://novapart.co/image/farnell:3770731RL/)

**URL**: https://novapart.co/products/B66417U0250K187/transformer-cores-efd-efd20-10-7-n87-dc-converters
**SKU**: B66417U0250K187
**Manufacturer**: TDK
**Category**: Transformers || Transformer Cores
**Price**: €0.2750
**Stock**: 10+
**Lead Time**: 95 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| Core Size | EFD20/10/7 |
| Core Type | EFD |
| For Use With | DC/DC Converters |
| Product Range | B66417 Series |
| Core Material Grade | N87 |
| Inductance Factor Al | 250nH |
| Effective Magnetic Path Length | 47mm |
| Ae Effective Cross Section Area | 31mm² |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3770731RL/)

## Links

- [View this product on Novapart](https://novapart.co/products/B66417U0250K187/transformer-cores-efd-efd20-10-7-n87-dc-converters)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/tdk/b66417u0250k187/transformer-core-250nh-efd20-10/dp/3770731RL)
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