STK433-260A-E

Overview

The STK433-260A-E is a thick-film hybrid integrated circuit designed as a three-channel class-AB audio power amplifier. Manufactured by Sanyo Semiconductor, this component delivers 50 watts of output power per channel. It is housed in a 19-pin package with an integrated tab for thermal management. The device is engineered for high-efficiency audio amplification applications requiring multi-channel output capabilities within a compact form factor.

Feature Summary

• Three-channel class-AB audio amplification architecture
• Thick-film hybrid construction for robust performance
• Integrated thermal tab for efficient heat dissipation

Applications

• Multi-channel audio power amplifiers
• Home theater systems
• Professional audio equipment

Procurement Notes

Verify the manufacturer origin and specific revision level when sourcing this component. Confirm that the 19-pin package configuration matches the target PCB footprint. Ensure compatibility with the intended thermal management solution due to the hybrid IC nature. Check for any specific handling requirements associated with thick-film technologies during assembly.

Selection Notes

Select this component for designs requiring three independent audio channels with moderate power output. Consider the physical dimensions and thermal resistance characteristics of the 19-pin hybrid package. Evaluate the suitability of class-AB topology for the specific distortion and efficiency requirements of the application compared to other amplifier classes.

Part Context

This part belongs to the STK433 series of audio power hybrid ICs from Sanyo Semiconductor. The series includes various configurations such as two-channel and four-channel variants with different power ratings. The STK433-260A-E specifically addresses the need for three-channel amplification, filling a niche between stereo and quad-channel solutions in audio hardware design.

Replacement Considerations

Direct pin-to-pin replacements are not explicitly documented in the provided source material. Engineers should evaluate other members of the STK433 family or comparable three-channel hybrid amplifiers from other manufacturers, ensuring electrical parameters and package dimensions align with the original design specifications.