---
product_id: 278061220
title: "1ea 85X55X20mm Ultra Large Transformer ferrite core 3.3''X2.2''X0.8'' Isolator Inductor ferrite Ring Cable Wires EMI Filter ferrite RF Choke ferrite Bead MnZn PC40"
brand: "hondark"
price: "€ 68.40"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/278061220-1ea-85x55x20mm-ultra-large-transformer-ferrite-core-3-3x2-2x0
store_origin: PT
region: Portugal
---

# MnZn PC40 material for superior magnetic performance 85x55x20mm ultra-large size High EMI noise suppression 1ea 85X55X20mm Ultra Large Transformer ferrite core 3.3''X2.2''X0.8'' Isolator Inductor ferrite Ring Cable Wires EMI Filter ferrite RF Choke ferrite Bead MnZn PC40

**Brand:** hondark
**Price:** € 68.40
**Availability:** ✅ In Stock

## Summary

> 🔧 Power up your signal clarity with the ultimate ferrite core!

## Quick Answers

- **What is this?** 1ea 85X55X20mm Ultra Large Transformer ferrite core 3.3''X2.2''X0.8'' Isolator Inductor ferrite Ring Cable Wires EMI Filter ferrite RF Choke ferrite Bead MnZn PC40 by hondark
- **How much does it cost?** € 68.40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/278061220-1ea-85x55x20mm-ultra-large-transformer-ferrite-core-3-3x2-2x0)

## Best For

- hondark enthusiasts

## Why This Product

- Trusted hondark brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Premium MnZn PC40 Core:** Experience industry-leading magnetic permeability for efficient signal isolation.
- • **Versatile EMI Noise Filter:** Perfectly engineered to eliminate electromagnetic interference in complex cable setups.
- • **Plug-and-Play Compatibility:** Seamlessly integrates with transformers, inductors, and isolators for professional-grade results.
- • **Robust RF Choke Performance:** Keep your circuits clean and interference-free with advanced ferrite bead technology.
- • **Massive Ultra-Large Dimensions:** Maximize your device’s noise filtering with a 3.3'' x 2.2'' x 0.8'' powerhouse.

## Overview

This ultra-large 85x55x20mm ferrite core, made from high-grade MnZn PC40 material, is designed to effectively suppress EMI and RF noise in cables and transformers, ensuring superior signal integrity and reduced interference in professional electronic applications.

## Description

1ea 85X55X20mm Ultra Large Transformer ferrite core 3.3''X2.2''X0.8'' Isolator Inductor ferrite Ring Cable Wires EMI Filter ferrite RF Choke ferrite Bead MnZn PC40

## Features

- 1.Model:Transformer ferrite core /isolator ferrite ring /RF choke ferrite bead
- 2.Part number :T85X55X20
- 3.Size:OD=85mm/3.3'' ID=55mm/2.2'' T=20mm/0.8''
- 4.Material: MnZn PC40

## Product Details

- **Brand:** Hondark
- **Power source:** Corded Electric
- **Mounting type:** PCB Mount
- **Specification met:** EMI
- **Item weight:** 0.33 Kilograms

## Images

![1ea 85X55X20mm Ultra Large Transformer ferrite core 3.3''X2.2''X0.8'' Isolator Inductor ferrite Ring Cable Wires EMI Filter ferrite RF Choke ferrite Bead MnZn PC40 - Image 1](https://m.media-amazon.com/images/I/51oo+94wn3L.jpg)
![1ea 85X55X20mm Ultra Large Transformer ferrite core 3.3''X2.2''X0.8'' Isolator Inductor ferrite Ring Cable Wires EMI Filter ferrite RF Choke ferrite Bead MnZn PC40 - Image 2](https://m.media-amazon.com/images/I/51fGGJELO-L.jpg)
![1ea 85X55X20mm Ultra Large Transformer ferrite core 3.3''X2.2''X0.8'' Isolator Inductor ferrite Ring Cable Wires EMI Filter ferrite RF Choke ferrite Bead MnZn PC40 - Image 3](https://m.media-amazon.com/images/I/51GrLHJZq5L.jpg)
![1ea 85X55X20mm Ultra Large Transformer ferrite core 3.3''X2.2''X0.8'' Isolator Inductor ferrite Ring Cable Wires EMI Filter ferrite RF Choke ferrite Bead MnZn PC40 - Image 4](https://m.media-amazon.com/images/I/51KJR1IYs5L.jpg)
![1ea 85X55X20mm Ultra Large Transformer ferrite core 3.3''X2.2''X0.8'' Isolator Inductor ferrite Ring Cable Wires EMI Filter ferrite RF Choke ferrite Bead MnZn PC40 - Image 5](https://m.media-amazon.com/images/I/61X+WjNZfXL.jpg)

## Questions & Answers

**Q: is it toroidal? or ring?**
A: IIt is a toroid core

**Q: Do you have a spec sheet for this item? in particular i would like to know the  bsat, al and ae of this toriod. thanks.**
A: exist concerned data ,if you need the complete datasheet ,have to send you next Monday .

## Frequently Bought Together

- 1ea 85X55X20mm Toroidal Transformer Core 3.3X2.2X0.8 inch Toroid Inductor Ferrite Core Filter Ferrite Ring Chokes Ferrite Bead MnZn PC40
- 1ea 118X80X20mm 4.6X3.15X0.8inch Toroidal Transformer Core Toroid Ferrite Core Ferrite Chokes Ferrite Bead Ferrite Snap MnZn PC40
- Taigoehua 5pcs 42X24X16mm Toroid Core,Ferrite Rings Toroid Core Iron (Black)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-15*