T850-6G-TR

Overview

The T850-6G-TR is a high-temperature bidirectional triac manufactured by STMicroelectronics, designed for general-purpose AC switching applications. It features an 8 A on-state RMS current and a repetitive peak off-state voltage of 600 V. The device operates within a junction temperature range of -40°C to +150°C and utilizes a D2PAK surface-mount package. Key electrical parameters include a maximum holding current of 75 mA, a gate trigger voltage of 1 V, and a gate trigger current of 50 mA. It exhibits a low on-state voltage of 1.5 V and a blocking state leakage current of 5 µA at VDRM. The component belongs to the Snubberless T8 series, optimized for inductive loads.

Feature Summary

• Snubberless design with high commutation performance suitable for inductive loads
• Logic level interface compatible with low power drivers such as microcontrollers
• High thermal stability supporting operation up to 150°C

Applications

• Static relays
• Heating regulation systems
• Induction motor starting circuits
• Phase control in light dimmers
• Motor speed controllers

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm the tape-and-reel packaging configuration. Ensure the part number matches the exact voltage rating and current specifications required for the target application circuit. Cross-reference the manufacturer's latest datasheet to confirm compliance with RoHS and REACH standards before finalizing procurement.

Selection Notes

Select this component when designing AC switching circuits requiring robust performance with inductive loads. The logic-level triggering capability simplifies interface design with microcontrollers. Consider the D2PAK package for surface-mount assembly requirements and evaluate the thermal management needs given the high operating temperature limit and current handling capabilities.

Part Context

This triac belongs to the T850H series, which provides Snubberless functionality for improved performance in AC switching applications. The series is engineered for reliability in harsh environments, offering high thermal stability and efficient commutation characteristics suitable for industrial and consumer electronics.

Replacement Considerations

Consult the manufacturer's replacement guide for verified substitutes. Generic equivalents may not match the specific Snubberless commutation performance or logic-level triggering characteristics of the original component.