lmages are for reference only See Product Specifications

ON Semiconductor FQD6N40CTM

Part No.:
ON Semiconductor
In Stock:
  Add To Cart
For more detailed including pricing and shipping
Quick response, quick quotation
Flash shipment, no worries after sales
Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Part Number
Email / phone number*
Contact Name / Company Name
  • Purchase and inquiryPurchase and inquiry

    FQD6N40CTM this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including FQD6N40CTM price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for FQD6N40CTM to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

    Purchase in icwhale.com

    There is no doubt that you may place an order without registering to icwhale.com.

    We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

    Means of Payment in icwhale.com

    For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

    RFQ (Request for Quotations) in icwhale.com

    It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

    Our sales will reply to your request by email within 24 hours.

    Warm reminder

    1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

    2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

    Shipping & Handling

    Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

    The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

    Shipping Method

    Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

    Order Tracking for International Orders

    Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.


    FQD6N40CTM Typical application Circuitry

    The FQD6N40CTM is part of the FQD series, notable for its N-channel MOSFETs designed for high-efficiency power switching applications. This series is optimized for use in electronic circuits that require high voltage handling and fast switching capabilities, such as in power supplies, lighting systems, and motor controls. The FQD6N40CTM, in particular, is characterized by its 400V drain-source voltage (V_DS) and a 6A continuous drain current (I_D), making it well-suited for applications that demand high breakdown voltage and moderate current capacity.

    1. High-Voltage N-Channel MOSFET Design: The core functionality of the FQD6N40CTM is defined by its ability to efficiently switch high-voltage loads while maintaining low on-resistance (R_DS(on)). This characteristic is essential for minimizing power losses in applications that involve high voltage switching, contributing to the overall energy efficiency of the system.

    2. Pin Configuration for Efficient Switching: The FQD6N40CTM typically comes in a TO-252 package and features a standard three-pin MOSFET configuration, consisting of the Gate (G), Drain (D), and Source (S) pins. The Gate pin is used to control the MOSFET's on and off states by applying a voltage relative to the Source. The Drain pin is connected to the high-voltage side of the load, while the Source pin is connected to the circuit's ground or the low-voltage side of the load. Ensuring correct and secure connections to these pins is vital for the MOSFET's operation and the circuit's performance.

    3. Gate Drive Considerations: To achieve optimal performance with the FQD6N40CTM, the gate drive circuit must provide a suitable voltage to the Gate pin to fully enhance the MOSFET and achieve minimal R_DS(on). This involves ensuring that the gate-source voltage (V_GS) is within the specified threshold range to turn the MOSFET on and carefully controlling the gate drive to avoid exceeding the maximum V_GS rating, which could damage the device.

    4. Load Connection and Current Handling: In connecting the FQD6N40CTM to the load, it is important to consider the MOSFET's capability to handle up to 6A of continuous drain current. The load should be connected to the Drain pin, with attention to the circuit design to ensure that the current and power dissipation do not exceed the MOSFET's ratings, thereby preventing overheating and ensuring reliable operation.

    5. Thermal Management for Device Reliability: Given the power dissipation that can occur in the FQD6N40CTM during high-voltage switching, effective thermal management is crucial. This may involve the use of heat sinks or other cooling methods to dissipate heat efficiently and maintain the MOSFET within its safe operating temperature range, thus enhancing the device's reliability and lifespan.

    6. Circuit Protection and Safety: In circuits utilizing the FQD6N40CTM, incorporating protection mechanisms such as overcurrent protection, overvoltage protection, and thermal shutdown can significantly enhance the safety and reliability of the system. These features help safeguard the MOSFET and the load from potential damage due to abnormal operating conditions.

    In summary, the FQD6N40CTM is a high-voltage N-channel MOSFET from the FQD series, designed for efficient power switching in high-voltage applications. Implementing this MOSFET involves understanding its three-pin configuration, providing appropriate gate drive, carefully connecting the load to handle high voltages and currents, implementing robust thermal management, and including circuit protection features to ensure safe and reliable operation in various electronic systems.

    FQD6N40CTM informationFQD6N40CTM information


    1. How to order FQD6N40CTM on icwhale.com?

    Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

    2. How does icwhale.com guarantee that FQD6N40CTM is from the original manufacturer or authorized agents?

    We have a professional and experienced quality control team to strictly verify and test the FQD6N40CTM. All suppliers must pass our qualification reviews before they can publish their products including FQD6N40CTM on icwhale.com; we pay more attention to the channels and quality of FQD6N40CTM products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

    3. Are the FQD6N40CTM price and inventory displayed accurate?

    The price and inventory of FQD6N40CTM fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

    4. What forms of payment are accepted?

    Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

    Warm Tips: Some orders in certain payment forms may require handling fee.

    5. How is the shipping arranged?

    Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

    Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

    Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

    6. What is the process for return or replacement of FQD6N40CTM?

    All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the FQD6N40CTM we delivered, we will accept the replacement or return of the FQD6N40CTM only when all of the below conditions are fulfilled:

    (1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

    (2)We are informed of the defect described above within 90 days after the delivery of FQD6N40CTM.

    (3)The PartNo is unused and only in the original unpacked packaging.

    Two processes to return the products:

    (1)Inform us within 90 days

    (2)Obtain Requesting Return Authorizations

    7.How to contact us to get technical supports, such as FQD6N40CTM pin diagram, FQD6N40CTM datasheet?

    If you need any after-sales service, please do not hesitate to contact us.

    Hot Products







    Contact Us