TN5015H-8G-TR

Scrs Overview

The TN5015H-8G is a high-temperature Silicon Controlled Rectifier (SCR) manufactured by STMicroelectronics, housed in a D²PAK surface-mount package. It supports an RMS on-state current of 50 A and offers repetitive peak off-state voltage ratings of 800 V. The device features a maximum operating junction temperature of 150 °C, ensuring robust thermal performance. Key electrical characteristics include a low gate triggering current of 15 mA, high static noise immunity with a dV/dt rating of 1000 V/μs at 150 °C, and a critical rate of rise of on-state current (dI/dt) of 200 A/μs.

Scrs Feature Summary

• High junction temperature capability up to 150 °C for enhanced thermal performance
• Low gate triggering current of 15 mA combined with high static noise immunity
• Robust turn-on current rise capability of 200 A/μs
• Halogen-free molding compound and lead-free plating compliant with ECOPACK2 standards

Scrs Applications

• Inrush current limiting circuits in AC/DC converters
• General purpose AC line load switching
• Heating resistor control and solid state relays
• Overvoltage crowbar protection systems

Scrs Procurement Notes

Verify the specific ordering code against the datasheet to ensure correct package and delivery mode selection. The standard order code TN5015H-8G corresponds to the D²PAK package delivered in tape and reel format with a base quantity of 1000 units. Confirm that the application environment remains within the specified storage and operating temperature ranges of -40 °C to +150 °C to maintain device integrity.

Scrs Selection Notes

Select this component when designing compact control circuits requiring high thermal stability and robust noise immunity. The D²PAK package facilitates efficient heat dissipation, making it suitable for applications where heatsink size reduction is critical. Ensure the circuit design accommodates the 800 V blocking voltage and 50 A RMS current capabilities while respecting the absolute maximum ratings for surge currents and gate power dissipation.

Scrs Part Context

This SCR belongs to STMicroelectronics' high-temperature thyristor series designed for demanding industrial and consumer applications. The device integrates advanced silicon technology to provide reliable switching under high thermal stress. Its specifications align with requirements for modern power electronics that demand reduced physical footprint without compromising electrical performance or environmental compliance standards.

Scrs Replacement Considerations

Consult official STMicroelectronics documentation for verified substitute part numbers. Cross-referencing should focus on matching key parameters such as RMS current, blocking voltage, package type, and thermal characteristics to ensure functional compatibility in existing designs.

Scrs FAQ

What is the maximum non-repetitive surge peak on-state current?

The maximum non-repetitive surge peak on-state current is 550 A for a pulse width of 8.3 ms and 500 A for a pulse width of 10 ms, measured with an initial junction temperature of 25 °C.

How does the device handle static noise immunity at high temperatures?

The TN5015H-8G maintains a minimum static dV/dt immunity of 1000 V/μs even at the maximum operating junction temperature of 150 °C, ensuring reliable operation in electrically noisy environments.

What are the thermal resistance characteristics of the D²PAK package?

The junction-to-case thermal resistance is typically 0.6 °C/W. The junction-to-ambient thermal resistance varies based on copper surface area, ranging from approximately 45 °C/W for a 2.5 cm² copper pad to higher values for smaller areas.