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

- Shipping:

Inventory:2,137
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LM621N Specifications
- Product attributes
- Attribute 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
LM621N FAQ
1.How can I place an order for LM621N through Aetrix?
1.Please submit a Request for Quotation (RFQ) for LM621N on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LM621N reliable?
The price and inventory of LM621N are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM621N is usually 5 days.
3.What payment methods are accepted for LM621N?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM621N transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM621N?
LM621N orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM621N order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LM621N?
5.For technical support, including LM621N datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM621N requirements.
6.How does Aetrix verify that LM621N is sourced from the original manufacturer or authorized distributors?
6.All LM621N products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LM621N meets industry standards.
7.What is the process for return or replacement of LM621N?
All LM621N units undergo pre-shipment inspection (PSI). If there is an issue with LM621N, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LM621N part is unused and in its original packaging.
Return procedure for LM621N:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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