---
product_id: 183050744
title: "Bestol IRF510 IRF520 IRF730 IRF740 IRF830 IRF840 TO-220 MOSFET Transistor (20pcs) (IRF840)"
brand: "microtivity"
price: "R256"
currency: ZAR
in_stock: true
reviews_count: 1
url: https://www.desertcart.co.za/products/183050744-bestol-irf510-irf520-irf730-irf740-irf830-irf840-to-220-mosfet
store_origin: ZA
region: South Africa
---

# Bestol IRF510 IRF520 IRF730 IRF740 IRF830 IRF840 TO-220 MOSFET Transistor (20pcs) (IRF840)

**Brand:** microtivity
**Price:** R256
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Bestol IRF510 IRF520 IRF730 IRF740 IRF830 IRF840 TO-220 MOSFET Transistor (20pcs) (IRF840) by microtivity
- **How much does it cost?** R256 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/183050744-bestol-irf510-irf520-irf730-irf740-irf830-irf840-to-220-mosfet)

## Best For

- microtivity enthusiasts

## Why This Product

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

## Description

20pcs IRF840 MOSFET transistor

## Images

![Bestol IRF510 IRF520 IRF730 IRF740 IRF830 IRF840 TO-220 MOSFET Transistor (20pcs) (IRF840) - Image 1](https://m.media-amazon.com/images/I/61llRJ559qL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ timely delivery
*by M***N on May 7, 2021*

looks fine nice plastic shipping case /holder of 20 mosfets have not tested look fine

## Frequently Bought Together

- Bestol IRF510 IRF520 IRF730 IRF740 IRF830 IRF840 TO-220 MOSFET Transistor (20pcs) (IRF840)
- ALLECIN IRLZ44N IRLZ44 MOSFET Transistors 47A 55V IRLZ44NPBF Logic Level Mosfets 47 Amp 55 Volt TO-220 (Pack of 10Pcs)
- Chanzon 1N4148 Small Signal Fast Switching Diodes High-Speed Axial 200mA 100V DO-35 (DO-204AH) IN4148 Silicon Diodes (Pack of 100 Pieces)

---

## 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/183050744-bestol-irf510-irf520-irf730-irf740-irf830-irf840-to-220-mosfet](https://www.desertcart.co.za/products/183050744-bestol-irf510-irf520-irf730-irf740-irf830-irf840-to-220-mosfet)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-14*