LA78040B-S-E

Video Processing Overview

The LA78040B-S-E is a vertical deflection integrated circuit manufactured by onsemi, designed for television applications. It operates within a supply voltage range of 10V to 35V and delivers a maximum output current of 1.5A. The component utilizes a 7-220H (TO-220-7) through-hole package with formed leads. Key electrical characteristics include a fixed 5V output capability for internal regulation and robust thermal protection mechanisms. It is classified as an obsolete product within the manufacturer's portfolio.

Video Processing Feature Summary

• Vertical deflection controller specifically engineered for television circuit architectures
• Integrated thermal protection to ensure operational reliability under high load conditions
• Robust TO-220-7 package design facilitating efficient heat dissipation

Video Processing Applications

• Television vertical deflection circuits
• Consumer electronics video processing systems
• Embedded systems requiring vertical scanning control

Video Processing Procurement Notes

Verify component obsolescence status prior to integration into new designs. Confirm availability through authorized distributors or secondary market channels. Ensure compatibility with existing PCB footprints and thermal management requirements. Validate that the 7-220H package dimensions align with assembly constraints. Review datasheet specifications for operating temperature ranges and electrical limits to prevent system failure.

Video Processing Selection Notes

Select this component only for legacy television repair or maintenance projects where original equipment manufacturer specifications require exact replacement. Evaluate alternative modern vertical deflection ICs if designing new hardware due to discontinued status. Consider thermal performance and package compatibility during substitution analysis. Verify that input voltage ranges match the target power supply architecture.

Video Processing Part Context

This device belongs to onsemi's lineup of video processing integrated circuits, specifically targeting the vertical deflection stage in CRT and early flat-panel television systems. The 7-220H package provides mechanical stability and thermal conductivity suitable for high-power analog applications. As an obsolete part, it represents older generation semiconductor technology used in consumer electronics manufacturing prior to widespread digital transition.

Video Processing Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, direct pin-to-pin replacements may require careful verification of electrical parameters and thermal characteristics against the original design specifications.