--- title: 40V Automotive Small-Signal MOSFET for Compact Automotive Electronics description: MCC MCMWF025N04YQ-TP 40V AEC-Q101 qualified N-channel small-signal MOSFET with 25mΩ maximum RDS(on) in a compact DFN2020-6 package with side-wettable flanks for manufacturability image: https://solutions.mccsemi.com/hubfs/MCMWF025N04YQ_DFN2020_6%28SWF%29_Small_Signal_MOSFETS_MOSFETs_MCC.png --- ###### Utility Navigation - [![](https://www.mccsemi.com/images/shopping-cart.svg) 0](https://cart.mccsemi.com/cart) - [Login / Sign Up](https://www.mccsemi.com/Identity/Account/Login) - [Terms of Sale and Export](https://www.mccsemi.com/Home/TermsAndConditions) - [中文](https://www.mccsemi.com/Home/SetLanguage?returnUrl=%2FContact) [![MCC logo](https://www.mccsemi.com/images/mcc_logo_crop.png) ![MCC logo](https://www.mccsemi.com/images/Logo.svg)](https://www.mccsemi.com/) ###### Main Navigation - [Products](https://www.mccsemi.com/ProductCategories) #### Products MCC produces high-quality discrete semiconductors to the consumer and industrial markets—including diodes, rectifiers, MOSFETs, voltage regulators and protection devices. 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Sign up and never miss an update. # 40V Automotive Small-Signal MOSFET for Compact Automotive Electronics # 40V Automotive Small-Signal MOSFET for Compact Automotive Electronics ![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) November 11, 2026 ## 25mΩ Maximum RDS(on), AEC-Q101 Qualification, and Side-Wettable Flanks in a Space-Saving DFN2020-6 Package Micro Commercial Components Corp. (MCC) introduces the MCMWF025N04YQ-TP, a 40V N-channel small-signal MOSFET designed for compact electronic circuits requiring reliable switching and control. Its DFN2020-6 package with side-wettable flanks supports space-efficient PCB layouts and automated optical inspection (AOI), addressing both circuit integration and manufacturing requirements. With a maximum RDS(on) of 25mΩ, the device supports low-voltage switching applications in automotive electronics. Its AEC-Q101 qualification makes it suitable for consideration in automotive body electronics, auxiliary circuit control, and other automotive electronic modules where compact packaging and component qualification are important design considerations. ![9.1-1](https://solutions.mccsemi.com/hs-fs/hubfs/9.1-1.png?width=1284&height=1279&name=9.1-1.png) 40V N-Channel AEC-Q101 SGT Small-Signal MOSFET ##### Features & Benefits: - **AEC-Q101** qualified for demanding automotive applications - **40V VDS** supports mid-voltage switching and power-conversion designs - **Low RDS(on) of 25mΩ** minimizes conduction loss - **High Current Capability:** Supports continuous ID up to 15A - **Manufacturing Reliability:** Side-wettable flanks enable precise AOI and strong solder joints, improving manufacturing consistency. - **High-Temperature Operation:** A maximum junction temperature of 175°C supports demanding operating environments - **Compact DFN2020-6 Package:** Supports high-density PCB layouts in space-constrained electronic modules.  [MCMWF025N04YQ](https://www.mccsemi.com/products/mosfets/small-signal-mosfets/mcmwf025n04yq) ## Applications | ![lighting car - automotive - 500x300](https://solutions.mccsemi.com/hs-fs/hubfs/lighting%20car%20-%20automotive%20-%20500x300.png?width=289&height=173&name=lighting%20car%20-%20automotive%20-%20500x300.png) | ![seat control - automotive - car - application - mcc semi - micro commercial components 500x300 (1)](https://solutions.mccsemi.com/hs-fs/hubfs/seat%20control%20-%20automotive%20-%20car%20-%20application%20-%20mcc%20semi%20-%20micro%20commercial%20components%20500x300%20(1).png?width=289&height=173&name=seat%20control%20-%20automotive%20-%20car%20-%20application%20-%20mcc%20semi%20-%20micro%20commercial%20components%20500x300%20(1).png) | ![Automotive Applications AEC-Q101 qualified Infotainment systems- MCC - Micro commercial components](https://solutions.mccsemi.com/hs-fs/hubfs/Automotive%20Applications%20%20AEC-Q101%20qualified%20Infotainment%20systems-%20MCC%20-%20Micro%20commercial%20components.png?width=300&height=180&name=Automotive%20Applications%20%20AEC-Q101%20qualified%20Infotainment%20systems-%20MCC%20-%20Micro%20commercial%20components.png) | | --- | --- | --- | | **Automotive Body Electronics** | **Automotive Comfort & Convenience** | **Automotive Connectivity** | | - Body Control Modules - Door Lock Control - Power Window Control - Automotive Lighting Control | - Seat Adjustment Systems - Seat Heating Controllers - HVAC Flap Actuators | - Telematics Control Unit - Infotainment - Vehicle Connectivity Modules |   | ![Industrial robots welding - mcc semi - 500x300](https://solutions.mccsemi.com/hs-fs/hubfs/Industrial%20robots%20welding%20%20-%20mcc%20semi%20-%20500x300.png?width=291&height=175&name=Industrial%20robots%20welding%20%20-%20mcc%20semi%20-%20500x300.png) | ![smart home devices mcc semi 500x300](https://solutions.mccsemi.com/hs-fs/hubfs/smart%20home%20devices%20mcc%20semi%20500x300.png?width=299&height=179&name=smart%20home%20devices%20mcc%20semi%20500x300.png) | | --- | --- | | **Industrial** | **Consumer** | | - Industrial Control Panels Building - Automation Controllers - Electronic Instrumentation | - Home Appliances - Smart Home Devices - Portable Electronic Equipment |     ## Product Attributes, Parametrics & Datasheet | Product | Type | **Package** | **Channel** | **Drain-Source Voltage VDS (V)** | **Gate-Source Voltage VGS (V)** | **Continuous Drain Current ID(A)** | **Drain-Source  On-Resistance  RDS(ON)  Max  @VGS=10V (mΩ)** | **Total Gate Charge Qg (nC)** | **Datasheet** | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | [MCMWF025N04YQ](https://www.mccsemi.com/products/mosfets/small-signal-mosfets/mcmwf025n04yq) | [Small Signal MOSFETS](https://www.mccsemi.com/products/mosfets/small-signal-mosfets) | [DFN2020-6(SWF)](https://www.mccsemi.com/pdf/productpackaging/M-DFN2020-6(SWF)-B-Rev5.pdf) | N-Channel | 40 | ±20 | 15 | 25 | 4 | [Info](https://www.mccsemi.com/pdf/products/MCMWF025N04YQ(DFN2020-6(SWF)).pdf) |   Now available, purchase directly from MCC or through our authorized distributors.   For technical inquiries or sample requests, [contact MCC](https://www.mccsemi.com/#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) #### Related Content ![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) November 11, 2026 MCC is a leading integrated device manufacturer (IDM) of discrete semiconductors worldwide. 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