STR-W6554A

AC DC Converters, Offline Switchers Overview

The STR-W6554A is a high-voltage power semiconductor device manufactured by Sanken Electric USA Inc. It integrates a MOSFET and control circuitry into a single package, designed for switching applications in power supplies. The component features a robust construction suitable for demanding electrical environments. Key specifications include a maximum drain-source voltage rating of 700V, ensuring safe operation under high potential differences. The device supports a continuous drain current of 3A, providing adequate capacity for various load requirements. It operates within a standard temperature range, with a maximum junction temperature capability of 150°C. The unit utilizes a TO-220FN package style, facilitating efficient thermal management through direct mounting to heat sinks. This configuration ensures reliable performance in compact power supply designs.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage MOSFET with dedicated control logic for simplified design
• Provides enhanced protection against overcurrent and thermal runaway conditions
• Features low on-resistance for improved energy efficiency during switching operations

AC DC Converters, Offline Switchers Applications

• Switching power supplies for consumer electronics
• Adapters and chargers for mobile devices
• Industrial power conversion systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the manufacturer part number against official Sanken Electric documentation to ensure authenticity. Confirm that the received components match the specified TO-220FN package and pinout configuration. Check for any manufacturing date codes or lot numbers that may affect availability or compliance status. Ensure storage conditions meet moisture sensitivity level requirements prior to soldering.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing power supplies requiring integrated high-voltage switching capabilities. Consider the 700V rating and 3A current capacity relative to the target application's peak loads. Evaluate thermal dissipation needs based on the TO-220FN package's heat transfer characteristics. Compare against alternative discrete solutions if specific protection features are not required.

AC DC Converters, Offline Switchers Part Context

This device belongs to Sanken's STR series of intelligent power modules. These components combine power switching elements with control circuits to reduce board space and simplify design processes. The series is widely used in offline switch-mode power supplies where reliability and compactness are critical factors for system performance.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official cross-reference lists from Sanken Electric for verified substitutes. Ensure any replacement matches the 700V voltage rating, 3A current capacity, and TO-220FN package dimensions. Verify compatibility of control logic and protection features before implementation.