ATP203-TL-H

Single FETs, MOSFETs Overview

The ATP203-TL-H is a single N-channel enhancement mode MOSFET manufactured by onsemi. It utilizes silicon technology and is housed in an ATPAK-3 surface-mount package with two leads and a tab. The device features a drain-source breakdown voltage of 30 V and supports a continuous drain current of 75 A at ambient temperature. Its maximum on-resistance is specified as 8.2 milliohms at a gate-source voltage of 10 V and a drain current of 38 A. The component has a maximum power dissipation of 50 W when case-mounted and operates at junction temperatures up to 150 °C.

Single FETs, MOSFETs Feature Summary

• Single N-channel enhancement mode configuration for high-side or low-side switching applications
• ATPAK-3 surface-mount package design providing robust thermal performance through a dedicated heat-dissipating tab
• Silicon-based construction optimized for low on-resistance and efficient power handling

Single FETs, MOSFETs Applications

• DC-DC converter circuits requiring low voltage drop and high current capacity
• Power management systems utilizing synchronous rectification topologies
• Automotive electronic control units and lighting driver modules

Single FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix and manufacturing date code against current availability, as this component may be subject to end-of-life status or supply constraints. Confirm that the ATPAK-3 package dimensions align with your PCB footprint requirements. Ensure compliance with RoHS directives and check for any recent process change notifications from onsemi regarding lead frame materials or packaging updates before finalizing procurement plans.

Single FETs, MOSFETs Selection Notes

Select this component for designs demanding high current handling within a compact surface-mount form factor. The 30 V rating suits low-voltage DC bus applications. Evaluate the thermal resistance characteristics of the ATPAK package relative to your board layout to ensure adequate heat dissipation. Compare the 8.2 milliohm on-resistance against system efficiency targets to determine suitability for high-current paths where conduction losses are critical.

Single FETs, MOSFETs Part Context

This part belongs to the ATP203 series of power MOSFETs from onsemi, designed for general-purpose switching in automotive and industrial environments. The ATPAK package family offers improved thermal conductivity compared to standard SMD packages, making it suitable for applications with significant power density requirements. It represents a solution for balancing electrical performance with physical size constraints in modern electronic systems.

Single FETs, MOSFETs Replacement Considerations

Consult official cross-reference data for verified substitutes. Potential alternatives include other N-channel MOSFETs in the ATPAK package with compatible 30 V ratings and similar current capabilities. Verify pinout compatibility and thermal characteristics before substitution.