---
title: MCC Introduces 40V N-Channel MOSFET with 0.58mΩ RDS(on) for High-Current Power Designs
description: MCC introduces a 40V N-Channel MOSFET with ultra-low RDS(on) and high current capability, designed for motor drives, DC power systems, and high-current applications requiring efficient switching and strong thermal performance.
image: https://solutions.mccsemi.com/hubfs/MCC%20Introduces%2040V%20N-Channel%20MOSFET%20with%200.58m%CE%A9%20RDS%28on%29%20for%20High-Current%20Power%20Designs%20%20-%20mcc%20semi%20-%20micro%20commercial%20components%20%281080x400%29%20%281%29.png
---

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# MCC Introduces 40V N-Channel MOSFET with 0.58mΩ RDS(on) for High-Current Power Designs

# MCC Introduces 40V N-Channel MOSFET with 0.58mΩ RDS(on) for High-Current Power Designs

![MCC](https://solutions.mccsemi.com/hs-fs/hubfs/mcc%20150x150%20(1).png?width=50&height=50&name=mcc%20150x150%20(1).png)

 by [MCC](https://solutions.mccsemi.com/news/author/mcc)

April 13, 2026

## Up to 639A Capability in a Compact TOLL-8L Package with Low Conduction Loss and Strong Thermal Performance

MCC introduces the [MCTLD58N04Y](https://www.mccsemi.com/products/mosfets/power-mosfets/mctld58n04y), a 40V N-Channel MOSFET designed for high-current power applications such as motor drivers in power tools, DC power systems, and industrial power stages, where low conduction loss, high current capability, and thermal robustness are required.

Housed in the TOLL-8L package, the MOSFET combines an ultra-low RDS(on) of 0.58mΩ with a high continuous drain current rating of 639A, supporting efficient conduction, stable switching, and reliable operation under heavy load conditions.

Built on split gate trench MOSFET technology, the MCTLD58N04Y delivers low conduction and switching losses while supporting compact layouts. This makes it well suited for designs where heat buildup, efficiency, and board space are critical constraints.

The device also offers strong avalanche ruggedness and benefits from the thermally efficient TOLL-8L package, supporting stable operation under transient and inductive stress conditions.

![MCTLD58N04Y, 40V N-Channel MOSFET  TOLL-8L Package - mcc semi - micro commercial components (1)](https://solutions.mccsemi.com/hs-fs/hubfs/MCTLD58N04Y%2c%2040V%20N-Channel%20MOSFET%20%20TOLL-8L%20Package%20-%20mcc%20semi%20-%20micro%20commercial%20components%20(1).png?width=500&height=500&name=MCTLD58N04Y%2c%2040V%20N-Channel%20MOSFET%20%20TOLL-8L%20Package%20-%20mcc%20semi%20-%20micro%20commercial%20components%20(1).png)

[40V N-Channel MOSFET](https://www.mccsemi.com/products/mosfets/power-mosfets/mctld58n04y)

##### Features & Benefits:

- Split gate trench MOSFET technology for low switching loss
- Ultra-low RDS(on) of 0.58mΩ (max) at VGS = 10V
- 40V drain-source voltage rating for 18V battery systems
- High continuous drain current capability up to 639A (thermal design dependent)
- Low gate charge (Qgd = 47.4nC) for efficient switching
- High avalanche capability (EAS = 2964mJ) for inductive load conditions
- TOLL-8L package with low thermal resistance for effective heat dissipation

[MCTLD58N04Y](https://www.mccsemi.com/products/mosfets/power-mosfets/mctld58n04y)

## Product Highlights   

40V N-Channel MOSFET

### 1

###### Reduced Conduction Loss

  The ultra-low RDS(on) minimizes conduction losses, improving efficiency and reducing heat generation in high-current applications.  

40V N-Channel MOSFET

### 2

###### High Current Capability

  Supports heavy-load operation, including startup, stall, and surge conditions, without excessive thermal rise.  

40V N-Channel MOSFET

### 3

###### Efficient Switching Performance

  Low gate charge enables efficient switching behavior, helping reduce switching losses in high-frequency and PWM-controlled systems.  

40V N-Channel MOSFET

### 4

###### Thermal Performance in Compact Designs

  The TOLL-8L package enables effective heat dissipation, supporting stable operation in compact layouts under high load conditions.  

## Applications  

| ![power tools mcc semi - 500x300](https://solutions.mccsemi.com/hs-fs/hubfs/power%20tools%20mcc%20semi%20-%20500x300.png?width=242&height=145&name=power%20tools%20mcc%20semi%20-%20500x300.png) | ![Welding equipment - mcc semi - 500x300](https://solutions.mccsemi.com/hs-fs/hubfs/Welding%20equipment%20-%20mcc%20semi%20-%20500x300.png?width=242&height=145&name=Welding%20equipment%20-%20mcc%20semi%20-%20500x300.png) | ![telecommunication applications - mcc semi - micro commercial 500x300](https://solutions.mccsemi.com/hs-fs/hubfs/telecommunication%20applications%20-%20mcc%20semi%20-%20micro%20commercial%20500x300.png?width=248&height=149&name=telecommunication%20applications%20-%20mcc%20semi%20-%20micro%20commercial%20500x300.png) | ![solar panels on the battery energy storage systems - mcc semi - 500x300](https://solutions.mccsemi.com/hs-fs/hubfs/solar%20panels%20on%20the%20battery%20energy%20storage%20systems%20%20-%20mcc%20semi%20-%20500x300.png?width=245&height=147&name=solar%20panels%20on%20the%20battery%20energy%20storage%20systems%20%20-%20mcc%20semi%20-%20500x300.png) |
| --- | --- | --- | --- |
| Power Tools and Outdoor Equipment   | Industrial Power and Motor Control | Telecom and Data Center Power   | Energy Storage and Power Distribution Systems |
| - BLDC motor drivers in drills, saws, grinders, and impact tools - Battery-powered outdoor equipment such as lawn and garden tools - High-current switching stages in cordless platforms | - DC/DC converters and power stages - Motor drives, actuators, and control modules - Welding equipment and factory automation systems - High-current load switches and power routing | - Server power supplies and rectifiers - Hot-swap and load management circuits - High-current DC distribution rails | - Battery management systems (BMS) - Power distribution modules and DC bus control - Energy storage and battery-powered platforms |

 

## 40V MOSFET Design and Selection Guide 

For a deeper look at MOSFET parameters, switching behavior, and loss considerations, see:

[The Essential Guide to 40V MOSFET Functions & Features](https://solutions.mccsemi.com/the-essential-guide-to-40v-mosfet-functions-features) <https://solutions.mccsemi.com/the-essential-guide-to-40v-mosfet-functions-features>

To understand how package design impacts efficiency and thermal performance, explore our overview of the TOLL package and its design advantages:

[Understanding the TOLL Package: Maximizing Efficiency in a Compact Design](https://solutions.mccsemi.com/news/understanding-the-toll-package-maximizing-efficiency-in-a-compact-design) 

 

## Product Attributes, Parametrics & Datasheet

| Product | Type | Package | Channel |  Number of Functions  | Drain-Source Voltage VDS (V) | Gate-Source Voltage VGS (V) | Drain Current ID (A) | Drain-Source On-Resistance RDS(ON) Max @VGS=10V (Ω) | Datasheet |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [MCTLD58N04Y](https://www.mccsemi.com/products/mosfets/power-mosfets/mctld58n04y) | Power MOSFET |  TOLL-8L   | N |  Single | 40 | ±20 | 639 |  0.00058 | [Info](https://www.mccsemi.com/pdf/products/MCTLD58N04Y(TOLL-8L).pdf) |

 

Now available, purchase directly from MCC or through our authorized distributors. 

For technical inquiries or sample requests, [contact MCC](https://solutions.mccsemi.com/news/mcc-introduces-40v-n-channel-mosfet-with-0.58mω-rdson-for-high-current-power-designs#hs-chat-open) for support.

 

###### Tags:

[New Product Introductions,](https://solutions.mccsemi.com/news/tag/new-product-introductions) [News,](https://solutions.mccsemi.com/news/tag/news) [MOSFETs](https://solutions.mccsemi.com/news/tag/mosfets)

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June 30, 2026

#### [High‑Efficiency Power in Compact Form: MCC’s 40V N‑Channel MOSFETs](https://solutions.mccsemi.com/news/high-efficiency-power-in-compact-form-mccs-40v-n-channel-mosfets)

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[![](https://solutions.mccsemi.com/hubfs/High%E2%80%90Current%20Efficiency%20in%20a%20Compact%20Footprint%20MCC%20Launches%20a%2040V%20N%E2%80%90Channel%20MOSFET%20%20%20-%20mcc%20semi%20-%20micro%20commercial%20components%201080x400.png)](https://solutions.mccsemi.com/news/40v-n-channel-power-mosfet-in-pdfn5060-for-high-efficiency-power-conversion)

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![MCC](https://solutions.mccsemi.com/hs-fs/hubfs/mcc%20150x150%20(1).png?width=50&height=50&name=mcc%20150x150%20(1).png)

Post by [MCC](https://solutions.mccsemi.com/news/author/mcc)   
 April 13, 2026

 MCC is a leading integrated device manufacturer (IDM) of discrete semiconductors worldwide. Headquartered in the US, we deliver supply chain assurance, best-in-class support, and a diverse portfolio of 10,000+ advanced components to help customers innovate in automotive, industrial, and beyond.

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					"datePublished": "2026-04-13T4:51:58 PM",
					"dateModified": "2026-04-13T8:18:50 PM",
					"headline": "MCC Introduces 40V N-Channel MOSFET with 0.58m&Omega; RDS(on) for High-Current Power Designs",
					"description": "MCC introduces a 40V N-Channel MOSFET with ultra-low RDS(on) and high current capability, designed for motor drives, DC power systems, and high-current applications requiring efficient switching and strong thermal performance. ",
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						"url": "https://solutions.mccsemi.com/news/author/mcc"
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						"name": "Micro Commercial Components",
						
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					"name": "MCC Introduces 40V N-Channel MOSFET with 0.58m&Omega; RDS(on) for High-Current Power Designs"
				}
```

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  "datePublished" : "2026-04-13T16:51:58.000Z",
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```