FSB50250AT

Overview

The FSB50250AT is a Smart Power Module (SPM) from the Motion SPM 5 series, manufactured by onsemi. It integrates a 3-phase FRFET MOSFET inverter with gate drivers and protection circuits. The module features a 500 V voltage rating and a 1.2 A current capacity. It utilizes a 23-PowerDIP package for through-hole mounting. Key electrical specifications include a maximum RDS(on) of 3.8 Ω and 1500 Vrms isolation voltage. The component is RoHS compliant and carries UL certification under number E209204.

Feature Summary

• Integrates 3-phase FRFET MOSFET inverter with gate drivers and protection
• Compact smart power module design based on FRFET technology
• High isolation voltage capability for safety compliance

Applications

• Small power motor drive applications
• Fan control systems
• Compact inverter solutions

Procurement Notes

Verify the manufacturer designation as onsemi, which acquired Fairchild Semiconductor's assets. Confirm the specific suffix AT corresponds to the tube packaging format indicated in distributor catalogs. Ensure the part meets the required RoHS3 standards and UL certification requirements for the target application region. Cross-reference the datasheet revision C4 for accurate technical parameters.

Selection Notes

Select this module for applications requiring a compact, integrated 3-phase inverter solution. The FRFET technology offers optimized switching performance for small power drives. Consider the 23-PowerDIP package dimensions for PCB layout constraints. Verify that the 500 V rating and 1.2 A current limit align with the motor drive requirements. Check thermal management needs given the integrated nature of the power stage.

Part Context

This component belongs to the Motion SPM 5 series, designed for motion control applications. It represents a transition from discrete components to integrated smart power modules. The series focuses on reducing board space and simplifying design for motor drives. The FSB50250AT specifically targets low-power fan and pump applications where size and integration are critical.

Replacement Considerations

Consult the official onsemi replacement guide for direct substitutes within the Motion SPM 5 series. Verify pinout compatibility and electrical parameter equivalence before substitution. Generic replacements may not match the FRFET technology characteristics.