SI3447BDV-T1-E3

Single FETs, MOSFETs Overview

The SI3447BDV-T1-E3 is a P-Channel MOSFET manufactured by Vishay Siliconix, utilizing TrenchFET technology. It features a drain-source voltage (Vds) of 12 V and a continuous drain current (Id) of 4.5 A at 25°C. The device exhibits a maximum on-resistance (Rds(on)) of 95 mΩ at a gate-source voltage (Vgs) of -4.5 V. It operates within an ambient temperature range up to 85°C and is housed in a surface-mount TSOP-6 package.

Single FETs, MOSFETs Feature Summary

• Utilizes TrenchFET technology for low on-resistance and fast switching performance
• Designed for low-side switching applications with low threshold voltage
• Halogen-free construction available

Single FETs, MOSFETs Applications

• Low-side switching circuits
• Power management modules
• Battery protection systems

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix 'E3' confirms halogen-free compliance and lead-free termination status as per Vishay standards. Confirm the TSOP-6 package orientation and pinout match the design schematic. Ensure the 12 V rating provides sufficient headroom for the target application's supply voltage. Check for obsolescence notices or recommended alternative part numbers from the manufacturer.

Single FETs, MOSFETs Selection Notes

Select this component when a compact P-Channel solution is required for 12 V systems. The 95 mΩ Rds(on) offers efficiency benefits over higher resistance alternatives. The TSOP-6 package suits space-constrained designs. Verify that the 4.5 A current rating meets peak load requirements without exceeding thermal limits.

Single FETs, MOSFETs Part Context

This part belongs to the SI34 series of single N- and P-Channel MOSFETs from Vishay Siliconix. These devices are engineered for general-purpose power switching applications requiring small outline packages. The series emphasizes low on-resistance and fast switching speeds suitable for portable and battery-powered electronics.

Single FETs, MOSFETs Replacement Considerations

Consult official Vishay documentation for direct replacements. Cross-reference parameters such as Vds, Id, and Rds(on) carefully. Ensure pin compatibility if substituting within the same package family.