STMicroelectronics IRF840
- Part No.:
- IRF840
- Manufacturer:
- STMicroelectronics
- Category:
- FETs, MOSFETs
- Package:
- TO-220-3
- Datasheet:
-
IRF840.pdf
- Description:
- MOSFET N-CH 500V 8A TO220AB
- Quantity:
- Payment:

- Shipping:

Inventory:3,924
Please send an inquiry. Send us your inquiry, and we will respond immediately.
IRF840 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- PowerMESH™ II
- Package/Case:
- TO-220-3
- Packaging:
- Tube
- Product Status:
- Obsolete
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 500 V
- Current - Continuous Drain (Id) @ 25°C:
- 8A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 10V
- Rds On (Max) @ Id, Vgs:
- 850mOhm @ 3.5A, 10V
- Vgs(th) (Max) @ Id:
- 4V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 39 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 832 pF @ 25 V
- FET Feature:
- -
- Power Dissipation (Max):
- 125W (Tc)
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220
IRF840 FAQ
1.How can I place an order for IRF840 through Aetrix?
1.Please submit a Request for Quotation (RFQ) for IRF840 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 IRF840 reliable?
The price and inventory of IRF840 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IRF840 is usually 5 days.
3.What payment methods are accepted for IRF840?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IRF840 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IRF840?
IRF840 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IRF840 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 IRF840?
5.For technical support, including IRF840 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IRF840 requirements.
6.How does Aetrix verify that IRF840 is sourced from the original manufacturer or authorized distributors?
6.All IRF840 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 IRF840 meets industry standards.
7.What is the process for return or replacement of IRF840?
All IRF840 units undergo pre-shipment inspection (PSI). If there is an issue with IRF840, 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 IRF840 part is unused and in its original packaging.
Return procedure for IRF840:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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