---
product_id: 112004330
title: "3pcs 40X24X15mm Al 168nH/N2 Toroidal Transformer Core 77254-A7 CS400125 Toroid Ferrite Core Ferrite Bead AS157-125A Alloy Material"
brand: "hondark"
price: "¥5353"
currency: JPY
in_stock: true
category: "Hondark"
url: https://www.desertcart.jp/products/112004330-3pcs-40x24x15mm-al-168nh-n2-toroidal-transformer-core-77254-a7
store_origin: JP
region: Japan
---

# Precision 40x24x15mm size Pack of 3 for versatile use High-grade Sendust alloy 3pcs 40X24X15mm Al 168nH/N2 Toroidal Transformer Core 77254-A7 CS400125 Toroid Ferrite Core Ferrite Bead AS157-125A Alloy Material

**Brand:** hondark
**Price:** ¥5353
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your electronics with precision cores that power innovation!

## Quick Answers

- **What is this?** 3pcs 40X24X15mm Al 168nH/N2 Toroidal Transformer Core 77254-A7 CS400125 Toroid Ferrite Core Ferrite Bead AS157-125A Alloy Material by hondark
- **How much does it cost?** ¥5353 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/112004330-3pcs-40x24x15mm-al-168nh-n2-toroidal-transformer-core-77254-a7)

## 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

- • **Trusted Quality:** Highly rated by professionals with a perfect 5-star customer satisfaction
- • **Premium Sendust Alloy:** Superior magnetic properties ensuring efficient energy transfer and minimal loss
- • **Versatile Application:** Ideal for transformers, inductors, EMI filters, and isolators—future-proof your designs
- • **Multi-Pack Convenience:** Three cores per pack to keep your workflow uninterrupted and cost-effective
- • **Precision Engineered Dimensions:** Optimized 40x24x15mm size for seamless integration in your projects

## Overview

This 3-piece set of 40x24x15mm toroidal ferrite cores, made from premium Sendust alloy, offers exceptional magnetic performance for transformers, inductors, and EMI filters. Designed for professional-grade hardware applications, these cores ensure efficient energy transfer and come highly rated for quality and reliability.

## Description

Transformer ferrite core /isolator ferrite ring /inductor ferrite bead/EMI filter ferrite

## Features

- 1.Model:Transformer ferrite core /inductor ferrite bead
- 2.Part number : AS157-125A ,same to 77254-A7 and CS400125
- 3.Size: OD=40mm/1.6'' ID=24mm/0.94'' T=15mm/0.59''
- 4.Material:sendust
- 5.Pacakge :3pcs each pack

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 5.0 out of 5 stars 4 Reviews |

## Images

![3pcs 40X24X15mm Al 168nH/N2 Toroidal Transformer Core 77254-A7 CS400125 Toroid Ferrite Core Ferrite Bead AS157-125A Alloy Material - Image 1](https://m.media-amazon.com/images/I/516lznDKkOL.jpg)
![3pcs 40X24X15mm Al 168nH/N2 Toroidal Transformer Core 77254-A7 CS400125 Toroid Ferrite Core Ferrite Bead AS157-125A Alloy Material - Image 2](https://m.media-amazon.com/images/I/51DioCJhK4L.jpg)
![3pcs 40X24X15mm Al 168nH/N2 Toroidal Transformer Core 77254-A7 CS400125 Toroid Ferrite Core Ferrite Bead AS157-125A Alloy Material - Image 3](https://m.media-amazon.com/images/I/51QtgGiYu5L.jpg)
![3pcs 40X24X15mm Al 168nH/N2 Toroidal Transformer Core 77254-A7 CS400125 Toroid Ferrite Core Ferrite Bead AS157-125A Alloy Material - Image 4](https://m.media-amazon.com/images/I/51yVrdnFQzL.jpg)
![3pcs 40X24X15mm Al 168nH/N2 Toroidal Transformer Core 77254-A7 CS400125 Toroid Ferrite Core Ferrite Bead AS157-125A Alloy Material - Image 5](https://m.media-amazon.com/images/I/613v6GdenhL.jpg)

## Frequently Bought Together

- 3pcs 40X24X15mm Al 168nH/N2 Toroidal Transformer Core 77254-A7 CS400125 Toroid Ferrite Core Ferrite Bead AS157-125A Alloy Material
- BNTECHGO 24 AWG Magnet Wire - Enameled Copper Wire - Enameled Magnet Winding Wire - 4 oz - 0.0197" Diameter 1 Spool Coil Red Temperature Rating 155℃ Widely Used for Transformers Inductors
- FT-240-43 FT240-43 Ferrite Toroid Core 43 Material

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**Shop now:** [https://www.desertcart.jp/products/112004330-3pcs-40x24x15mm-al-168nh-n2-toroidal-transformer-core-77254-a7](https://www.desertcart.jp/products/112004330-3pcs-40x24x15mm-al-168nh-n2-toroidal-transformer-core-77254-a7)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-22*