Fairchild Semiconductor SI4431DY
- Part No.:
- SI4431DY
- Manufacturer:
- Fairchild Semiconductor
- Category:
- FETs, MOSFETs
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
SI4431DY.pdf
- Description:
- P-CHANNEL MOSFET
- Quantity:
- Payment:

- Shipping:

Inventory:7,099
Please send an inquiry. Send us your inquiry, and we will respond immediately.
SI4431DY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Fairchild Semiconductor
- Series:
- PowerTrench®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- FET Type:
- P-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 30 V
- Current - Continuous Drain (Id) @ 25°C:
- 6.3A (Ta)
- Drive Voltage (Max Rds On, Min Rds On):
- 4.5V, 10V
- Rds On (Max) @ Id, Vgs:
- 32mOhm @ 7A, 10V
- Vgs(th) (Max) @ Id:
- 3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 29 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 930 pF @ 15 V
- FET Feature:
- -
- Power Dissipation (Max):
- 1W (Ta)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
SI4431DY FAQ
1.How can I place an order for SI4431DY through Aetrix?
1.Please submit a Request for Quotation (RFQ) for SI4431DY 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 SI4431DY reliable?
The price and inventory of SI4431DY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI4431DY is usually 5 days.
3.What payment methods are accepted for SI4431DY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI4431DY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI4431DY?
SI4431DY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI4431DY 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 SI4431DY?
5.For technical support, including SI4431DY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI4431DY requirements.
6.How does Aetrix verify that SI4431DY is sourced from the original manufacturer or authorized distributors?
6.All SI4431DY 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 SI4431DY meets industry standards.
7.What is the process for return or replacement of SI4431DY?
All SI4431DY units undergo pre-shipment inspection (PSI). If there is an issue with SI4431DY, 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 SI4431DY part is unused and in its original packaging.
Return procedure for SI4431DY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SI4431DY Tags

-
BSZ180P03NS3EGATMA1
Infineon Technologies

-
SIRA14DP-T1-GE3
Vishay Siliconix

-
AO4419
Alpha & Omega Semiconductor Inc.

-
SISA14BDN-T1-GE3
Vishay Siliconix

-
PSMN9R5-30YLC,115
Nexperia USA Inc.

-
BUK9Y21-40E,115
Nexperia USA Inc.

-
RTQ035N03HZGTR
Rohm Semiconductor

-
FDMS7680
onsemi

-
RQ3E180BNTB
Rohm Semiconductor

-
STL6N2VH5
STMicroelectronics

-
DMPH4029LFGQ-7
Diodes Incorporated

-
DMT6015LSS-13
Diodes Incorporated
Tech Hub
The ATSHA204A - STUCZ - T is a remarkable security integrated circuit that stands at the forefront of safeguarding modern - day electronic devices. In an era where data breaches and unauthorized access…
The ATSHA204A - SSHDA - T is a highly regarded security integrated circuit that plays a crucial role in safeguarding various electronic devices.1. Key FeaturesRobust Authentication MechanismsThis devic…
In the realm of electronic security, the ATSHA204A - MAHDA - T, a product of Microchip's CryptoAuthentication™ series, emerges as a highly - capable hardware security authentication chip.The core feat…
In the landscape of electronic components, the CAP200DG - TL, a product of Power Integrations, stands out as an innovative zero - power X - capacitor auto - discharge IC within the CAPZero - 2 series.T…

