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SI4431CDY-T1-E3 is listed in the Single FETs, MOSFETs range at ChipApex. The manufacturer field lists Vishay Siliconix. Its product description is MOSFET P-CH 30V 9A 8SO. Review the specifications below when checking this part for your BOM.
The SI4431CDY-T1-E3 is a P-Channel MOSFET utilizing TrenchFET technology, housed in an SO-8 package. It features a drain-source voltage of -30 V and a continuous drain current of -9 A at 25 °C case temperature. The on-state resistance is specified as 0.032 Ω maximum at VGS = -10 V and 0.049 Ω maximum at VGS = -4.5 V. Total gate charge is typically 38 nC at VGS = -10 V. The device supports an operating junction temperature range from -55 °C to +150 °C with a maximum power dissipation of 4.2 W.
Verify the specific ordering suffix against manufacturer documentation to confirm compliance attributes. The E3 suffix indicates lead-free status, while GE3 denotes both lead-free and halogen-free construction. Confirm that the selected variant aligns with project material requirements before finalizing procurement.
Evaluate thermal management requirements based on the specified junction-to-ambient and junction-to-foot thermal resistances. Ensure gate drive voltages remain within the ±20 V absolute maximum rating. Verify that the required on-state resistance at the intended gate drive level meets circuit efficiency targets.
This component belongs to the Vishay Siliconix SI4 series of P-Channel MOSFETs. It is manufactured using silicon technology and is designed for surface mount applications. The product line utilizes TrenchFET technology to achieve low on-resistance characteristics suitable for power switching applications.
SI4431CDY-T1-GE3 is confirmed as a lead-free and halogen-free alternative variant.
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