BSS223PW L6327

Overview

The BSS223PW L6327 is a P-Channel OptiMOS small-signal transistor in an SOT-323 package. It features a drain-source voltage of -20 V, continuous drain current of -0.39 A, and on-state resistance of 1.2 Ω at -4.5 V gate drive. The device supports a junction temperature range from -55 °C to +150 °C, with power dissipation rated at 0.25 W.

Feature Summary

• Super Logic Level operation for efficient low-voltage control
• Avalanche energy rated for robust transient handling
• High dv/dt capability for fast switching applications

Applications

• Low-side switching in battery-powered devices
• Load switching for portable electronics
• Small signal amplification circuits

Procurement Notes

Verify the specific ordering code Q67042-S4075 against your bill of materials. Confirm that the SOT-323 footprint matches your PCB layout requirements. Ensure the component meets the required thermal management standards for your enclosure design.

Selection Notes

Select this component when a compact P-Channel MOSFET is needed for low-power switching. Its logic-level rating allows direct interfacing with standard logic outputs. Consider its avalanche rating if the circuit experiences significant inductive load transients.

Part Context

This part belongs to Infineon's OptiMOS family, designed for high efficiency in small-signal applications. The SOT-323 package provides a space-saving solution for modern consumer electronics where board real estate is limited.

Replacement Considerations

Check pinout compatibility before substituting. Verify that any alternative device maintains the same -20 V breakdown voltage and similar on-resistance characteristics to ensure circuit performance remains unchanged.

FAQ

What is the maximum gate-source voltage?

The absolute maximum rating for gate-source voltage is ±12 V.

Is this device suitable for high-frequency switching?

Yes, it features high dv/dt ratings and low capacitance values suitable for high-speed applications.