# TRANSFORMER CORE, TOROID, 78

![Product image](https://novapart.co/image/farnell:3909000/)

**URL**: https://novapart.co/products/5978002701/transformer-core-toroid-78
**SKU**: 5978002701
**Manufacturer**: FAIR-RITE
**Category**: Transformers || Transformer Cores
**Price**: €1.2900
**Stock**: 10+
**Lead Time**: 163 days (indicative)

## Description

Core Type:Toroid; Core Size:35.55mm x 23mm x 12.7mm; Core Material Grade:78; For Use With:Power Input Filters, Ground-Fault Interrupters, Common-Mode filters , Pulse & Broa

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| Core Size | 35.55mm x 23mm x 12.7mm |
| Core Type | Toroid |
| For Use With | Power Input Filters, Ground-Fault Interrupters, Common-Mode filters , Pulse & Broadband Transformers |
| Product Range | - |
| Core Material Grade | 78 |
| Inductance Factor Al | 2.545µH |
| Effective Magnetic Path Length | 89mm |
| Ae Effective Cross Section Area | 9.06mm² |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3909000/)

** Not all features are shown in this drawing. For more detailed information, please contact your Fair-Rite representative. 

**==> picture [749 x 498] intentionally omitted <==**

**----- Start of picture text -----**<br>
Not all features are shown SIZ E |P A RT NO. R EV .<br>in this drawing. For more<br>detailed information, please UNCON TR OLL ED ~C ATA LOG~ DR A WING B 19978002701) ~<br>contact your Fair-Rite<br>representative.<br>E L E CTRIC A L SP E CI F IC A TIONS<br>AL (n H) | tan 6/p,<br>B Xd/ A( mm™*) | de (mm) | A e (mm?)}Ve (mm?)| Lo (n H ) | @10 k H z | @100 k H z<br>23.00+0.5 <10gauss | <1gauss<br>GA Cc<br>35.55+0.75 12.70+0.5<br>1.400 500<br>DIMENSIONS<br>BOLD NUMBERS ARE IN MILLIMETERS<br>LIGHT NUMBERS ARE IN INCHES<br>TITLE T OROID<br>NOT ES : DR A WN BY] D A T E SIZ E] P A R T NO.<br>12 — BURNIS H T O BR EA K S HA RP E DG ES . F R E 78 | C H KD BY |B 59780027 0 1] ~<br>— ELECTRICAL TESTING TO BE PERFORMED AS PER FAIR—RITE PRODUCTS CORP. SOP# ELC—45. i d SC A L E NON E S HEET 1 of 1<br>**----- End of picture text -----**<br>




## Links

- [View this product on Novapart](https://novapart.co/products/5978002701/transformer-core-toroid-78)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/fair-rite/5978002701/transformer-core-toroid-78/dp/3909000)
---

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