STTH112A

Single Diodes Overview

The STTH112A is a high voltage ultrafast rectifier utilizing ST’s ultrafast high voltage planar technology. It features a 1200 V reverse voltage rating and a 1 A average forward current. The device is housed in a surface mount SMA package with two pins. Key electrical characteristics include a maximum forward voltage drop of 1.65 V and a surge forward current capability of 18 A. The reverse recovery time is specified at 75 ns, ensuring efficient switching performance for power applications.

Single Diodes Feature Summary

• Ultrafast high voltage planar technology for low conduction and negligible switching losses
• High junction temperature capability for robust operation
• Low forward voltage drop to minimize energy dissipation
• Fast reverse recovery time suitable for high-frequency switching

Single Diodes Applications

• Free-wheeling diodes in power supplies
• Clamping circuits in automotive electronics
• Snubber circuits in switching mode base drive systems
• Transistor circuits requiring high voltage isolation

Single Diodes Procurement Notes

Verify the specific ordering suffix to confirm package type and tape/reel configuration. Ensure the component meets the required AEC-Q101 qualification if used in automotive contexts. Cross-reference the datasheet revision date to confirm technical specifications match the production batch. Confirm compliance with ECOPACK standards if environmental regulations apply to the final assembly.

Single Diodes Selection Notes

Select this component when a 1200 V blocking voltage is required alongside a 1 A continuous current rating. The SMA surface mount package is suitable for space-constrained PCB designs. Consider the 75 ns reverse recovery time for applications demanding fast switching speeds. Evaluate thermal management requirements based on the forward voltage drop and ambient operating conditions.

Single Diodes Part Context

The STTH112A belongs to the STTH112 series of ultrafast diodes from STMicroelectronics. This series employs advanced planar technology to achieve high reliability and efficiency. The device is designed to replace older technologies in high-voltage rectification roles, offering improved switching characteristics compared to standard fast recovery diodes.

Single Diodes Replacement Considerations

Check for direct substitutes within the STTH112 family, such as the STTH112-Y, which may offer automotive qualification. Verify pin compatibility and package dimensions before substituting with components from other manufacturers. Ensure equivalent voltage, current, and reverse recovery time ratings are maintained.