TN805-800B

Scrs Overview

The TN805-800B is an 8 A Silicon Controlled Rectifier (SCR) from STMicroelectronics, rated for a repetitive peak off-state voltage of 800 V. It features a standard gate triggering current capability and is housed in a surface-mount DPAK package. The device supports a maximum junction temperature of 125 °C and includes non-repetitive surge current handling capabilities.

Scrs Feature Summary

• Standard gate triggering level for reliable control
• Optimized performance within limited space constraints
• Suitable for overvoltage crowbar protection applications

Scrs Applications

• Overvoltage crowbar protection circuits
• Motor control circuits in power tools
• Inrush current limiting circuits
• Capacitive discharge ignition systems

Scrs Procurement Notes

Verify the specific suffix against official documentation to confirm exact electrical characteristics and packaging type. Ensure compatibility with existing thermal management designs given the 125 °C junction limit. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement specifications.

Scrs Selection Notes

Select this component when an 8 A SCR is required for high-voltage blocking up to 800 V in compact surface-mount layouts. Consider the standard gate trigger requirements for driver circuit design. Evaluate thermal dissipation needs based on the DPAK package limitations and the specified operating temperature range.

Scrs Part Context

This part belongs to the TN8/TSN series of 8 A SCRs designed for general-purpose AC switching. It complements other variants like the TN815 and TS820, offering a balance of current handling and voltage rating in a standardized footprint suitable for industrial and consumer electronics.

Scrs Replacement Considerations

Check for direct equivalents such as the TN815-800B or TS820-800B within the same family. Verify pinout compatibility and thermal resistance values when substituting with components from other manufacturers.