BSS138AKDW-TP

Overview

The BSS138AKDW-TP is a dual N-channel enhancement mode MOSFET array manufactured by Micro Commercial Components. It features a maximum drain-source voltage of 50V and a continuous drain current of 220mA at 25°C. The device operates within a junction temperature range of -55°C to +150°C with a maximum power dissipation of 350mW. Key electrical characteristics include a gate-source threshold voltage of 1.45V maximum at 250µA, an input capacitance of 22800pF maximum at 25V, and an on-resistance of 3 ohms maximum at 500mA and 10V. It is housed in a surface-mount SOT-363 package.

Feature Summary

• Dual N-channel configuration integrating two independent enhancement-mode transistors in a single compact package for space-constrained designs.
• Automotive-grade qualification ensuring reliability and performance stability under rigorous industrial and automotive operating conditions.
• Low gate-source threshold voltage enabling efficient switching control from low-voltage logic interfaces.

Applications

• Level shifting circuits between different voltage domains in digital systems
• Load switching applications requiring small form factor solutions
• General-purpose switching in automotive electronic modules

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm automotive grade status and pinout compatibility. Ensure the ordering part number matches the exact package variant required for your PCB footprint. Cross-reference datasheet revisions to confirm compliance with current RoHS and REACH standards before finalizing procurement specifications.

Selection Notes

Select this component when a dual N-channel MOSFET solution is required for low-voltage signal switching or level translation. The SOT-363 package offers a compact alternative to discrete single transistors. Verify that the 50V rating and 220mA current capacity align with the specific circuit load requirements and thermal management capabilities of the target application environment.

Part Context

This device belongs to the BSS138 series of small-signal MOSFETs produced by Micro Commercial Components. It represents an automotive-grade variant designed for high-reliability environments. The dual configuration allows for cost-effective implementation of differential pairs or complementary switching functions within a minimal board area compared to using individual components.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.