FSFR2100US

AC DC Converters, Offline Switchers Overview

The FSFR2100US is a highly integrated power switch designed for high-efficiency half-bridge resonant converters. It features an internal high-side and low-side switch with a resistance of 0.41 Ohms. The device supports a maximum operating supply voltage of 400 V and delivers one output. It operates within a temperature range of -40 °C to +130 °C TJ. The component utilizes a 9-pin SIP tube package, measuring 26.2 x 10.7 x 3.4 mm. Rated power is specified at 180 W in some documentation, while other sources indicate up to 450 W. Switching frequency can reach up to 300 kHz.

AC DC Converters, Offline Switchers Feature Summary

• Highly integrated power switch architecture optimized for half-bridge resonant converter topologies
• Includes internal high-side and low-side switches with defined on-resistance characteristics
• Provides comprehensive fault protection mechanisms including over-current, over-voltage, and thermal shutdown

AC DC Converters, Offline Switchers Applications

• Half-bridge resonant converters
• High-efficiency AC/DC power conversion systems
• Industrial power supplies requiring isolated outputs

AC DC Converters, Offline Switchers Procurement Notes

Verify current availability status as the product may be subject to end-of-life or temporary suspension notices. Confirm specific ordering suffixes against official datasheets to ensure correct package and electrical specifications. Check RoHS and REACH compliance documents for material composition details prior to integration. Validate that the selected variant matches the required thermal and voltage ratings for the target application environment.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing half-bridge resonant converters requiring integrated switching capabilities. Ensure the input voltage does not exceed the 400 V maximum rating. Consider the 9-pin SIP package dimensions for PCB layout constraints. Verify that the thermal management design supports the specified junction temperature range of -40 °C to +130 °C. Compare internal switch resistance values against system efficiency requirements.

AC DC Converters, Offline Switchers Part Context

The FSFR2100US belongs to the FSFR series of power switches from onsemi. These components are specifically engineered for AC/DC conversion applications. The series focuses on integrating power switching elements with control logic to simplify design. This part represents a silicon-based solution for medium to high-power applications.

AC DC Converters, Offline Switchers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data. Consult official manufacturer resources for potential cross-reference options if this component is discontinued.