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    National Semiconductor LM621N

    Part No.:
    LM621N
    Manufacturer:
    National Semiconductor
    Category:
    Motor Drivers, Controllers
    Package:
    18-DIP (0.300", 7.62mm)
    Datasheet:
    BomKey ElectronicsLM621N.pdf
    Description:
    BRUSHLESS DC MOTOR CONTROLLER
    Payment:
    Payment
    Shipping:
    Shipping

    Product details

    • Specifications
    • FAQ
    • Comparison
    • Related
    Attributes
    Property Value
    Manufacturer
    National Semiconductor
    Series:
    LM621
    Package/Case:
    18-DIP (0.300", 7.62mm)
    Packaging:
    Bulk
    Product Status:
    Active
    Motor Type - Stepper:
    Bipolar
    Motor Type - AC, DC:
    Brushless DC (BLDC)
    Function:
    Controller - Commutation, Direction Management
    Output Configuration:
    Half Bridge (3)
    Interface:
    PWM
    Technology:
    Power MOSFET
    Step Resolution:
    -
    Applications:
    General Purpose
    Current - Output:
    35mA
    Voltage - Supply:
    5V
    Voltage - Load:
    40V
    Operating Temperature:
    -40°C ~ 85°C (TA)
    Grade:
    -
    Qualification:
    -
    Mounting Type:
    Through Hole
    Supplier Device Package:
    18-PDIP
    Category:
    Motor Drivers, Controllers
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    1. How to order LM621N on BomKey Electronics?

    Currently,, BomKey Electronics 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 BomKey Electronics guarantee that LM621N is from the original manufacturer or authorized agents?

    We have a professional and experienced quality control team to strictly verify and test the LM621N. All suppliers must pass our qualification reviews before they can publish their products including LM621N on BomKey Electronics; we pay more attention to the channels and quality of LM621N products than any other customer. We strictly implement supplier audits, so you can purchase with confidence. .

    3. Are the LM621N price and inventory displayed accurate?

    The price and inventory of LM621N 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 LM621N?

    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 LM621N we delivered, we will accept the replacement or return of the LM621N 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 LM621N.

    (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 LM621N pin diagram, LM621N datasheet?

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

    Images LM621N
    Part No. LM621N
    Manufacturer National Semiconductor
    Series LM621
    Package/Case 18-DIP (0.300", 7.62mm)
    Packaging Bulk
    Product Status Active
    Motor Type - Stepper Bipolar
    Motor Type - AC, DC Brushless DC (BLDC)
    Function Controller - Commutation, Direction Management
    Output Configuration Half Bridge (3)
    Interface PWM
    Technology Power MOSFET
    Step Resolution -
    Applications General Purpose
    Current - Output 35mA
    Voltage - Supply 5V
    Voltage - Load 40V
    Operating Temperature -40°C ~ 85°C (TA)
    Grade -
    Qualification -
    Mounting Type Through Hole
    Supplier Device Package 18-PDIP

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