100370QI

Overview

The Fairchild Semiconductor 100370QI is a high-voltage power MOSFET designed for switching applications. It features an N-channel enhancement mode structure with a drain-source voltage rating of 600V and a continuous drain current capability suitable for industrial and consumer power supplies. The device utilizes advanced planar trench technology to achieve low on-resistance, enhancing efficiency in hard-switching circuits.

Feature Summary

• High breakdown voltage capability for robust operation in high-voltage environments
• Low on-state resistance achieved through planar trench technology
• Enhanced thermal performance for reliable heat dissipation
• Designed for fast switching speeds to minimize power loss

Applications

• Offline flyback converters
• Active clamp forward converters
• Industrial motor drives
• Uninterruptible power supplies (UPS)

Procurement Notes

Verify the exact suffix 'QI' against manufacturer documentation to confirm package type and tape/reel specifications. Ensure compatibility with RoHS directives if required by your application standards. Cross-reference with official datasheets for precise thermal resistance values before finalizing procurement.

Selection Notes

Select this component when a 600V N-channel MOSFET is required for high-efficiency power conversion. Consider the specific gate charge and output capacitance parameters found in the datasheet to match driver capabilities. Evaluate thermal management requirements based on the expected load current and ambient temperature conditions.

Part Context

This part belongs to Fairchild's high-voltage MOSFET portfolio, often used in offline power supply designs. It is typically packaged in standard leaded formats such as TO-220 or similar, depending on the specific suffix configuration. These devices are engineered to replace older generation MOSFETs with improved switching characteristics.

Replacement Considerations

Check for direct pin-compatible alternatives from the same manufacturer or other vendors offering equivalent 600V N-channel specifications. Verify that substitute parts meet or exceed the original on-resistance and breakdown voltage ratings to ensure circuit reliability.