---
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: "R537"
currency: ZAR
in_stock: true
category: "Hondark"
url: https://www.desertcart.co.za/products/112004330-3pcs-40x24x15mm-al-168nh-n2-toroidal-transformer-core-77254-a7
store_origin: ZA
region: South Africa
---

# 3pcs per pack for bulk value Precision 40x24x15mm size High-grade Sendust alloy core 3pcs 40X24X15mm Al 168nH/N2 Toroidal Transformer Core 77254-A7 CS400125 Toroid Ferrite Core Ferrite Bead AS157-125A Alloy Material

**Brand:** hondark
**Price:** R537
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your circuit game with precision ferrite cores!

## 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?** R537 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/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

- • **Compact Powerhouse:** Optimized 40x24x15mm dimensions fit seamlessly into your custom electronics.
- • **Premium Sendust Alloy:** Superior magnetic properties ensure efficient energy transfer and minimal loss.
- • **Triple Pack Advantage:** Three cores per pack to keep your projects moving without interruption.
- • **Versatile EMI Filtering:** Ideal for isolators, inductors, and EMI suppression in professional-grade circuits.
- • **Trusted Industrial Standard:** Ranked #317 in Electronic Ferrites, a reliable choice for serious engineers.

## Overview

This 3-piece set of 40x24x15mm toroidal transformer cores, made from high-quality Sendust alloy, offers efficient EMI filtering and inductance for advanced electronic applications. Perfectly sized and packaged for professional engineers seeking reliable, industrial-grade components.

## 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 |
|---------------|-------|
| ASIN | B07PQT4N5Y |
| Best Sellers Rank | #780,834 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #317 in Electronic Ferrites |
| Date First Available | March 14, 2019 |
| Item Weight | 7.2 ounces |
| Manufacturer | Hondark HK Limited |
| Package Dimensions | 4 x 3.6 x 1.7 inches |

## 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/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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

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

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-20*