SI4913DY-T1-E3

Overview

The SI4913DY-T1-E3 is a P-channel Power MOSFET manufactured by Vishay Siliconix, utilizing TrenchFET technology for optimized performance. It is housed in an SOIC-8 surface-mount package designed for efficient thermal management. The device features a drain-source voltage rating of -30V and a continuous drain current capability of -25A at 25°C case temperature. Key electrical parameters include a maximum on-resistance (Rds(on)) of 6.5 mΩ at Vgs = -10V, ensuring low conduction losses. The component operates within a junction temperature range of -55°C to +175°C and supports single-channel enhancement mode operation.

Feature Summary

• TrenchFET technology provides superior on-resistance per area for high efficiency.
• Low gate charge facilitates fast switching speeds and reduced driver power requirements.
• Lead-free finish and halogen-free construction comply with environmental standards.

Applications

• DC-DC converter output stages
• High-side load switches
• Power management circuits

Procurement Notes

Verify the specific suffix 'T1' confirms the tape-and-reel packaging format required for automated assembly processes. Confirm RoHS compliance status through the official datasheet or manufacturer declaration, as regulatory requirements may vary by region and production batch. Ensure the part number matches the exact pinout and thermal characteristics specified for the target PCB layout.

Selection Notes

Select this component when a P-channel MOSFET with a 30V breakdown voltage and high current handling capacity is required in a compact SOIC-8 footprint. Evaluate the Rds(on) value against the expected load current to ensure acceptable power dissipation levels. Consider the gate threshold voltage and total gate charge to verify compatibility with the available control logic and driver capabilities.

Part Context

This part belongs to the SI4 series of TrenchFET P-channel MOSFETs from Vishay Siliconix. The series is characterized by its use of advanced trench gate technology to achieve low specific on-resistance. The SOIC-8 package offers a balance between power handling and board space efficiency compared to larger packages like TO-263.

Replacement Considerations

Direct replacements must match the -30V Vds, -25A Id, and SOIC-8 package constraints. Verify that alternative parts maintain similar Rds(on) values and thermal resistance characteristics to ensure circuit performance parity without redesigning the thermal interface.