STMicroelectronics T1650H-6G-TR

Overview

T1650H-6G-TR from STMicroelectronics is a 16 A, 600 V snubberless triac in D²PAK surface-mount package, designed for high-power-density AC mains switching in universal motor control and inrush current limiting. It delivers 50 mA gate trigger current, supports 150 °C junction operation, and enables compact SMD designs with reduced heatsink requirements.

For engineers reviewing the T1650H-6G-TR datasheet, T1650H-6G-TR pinout, T1650H-6G-TR application, or T1650H-6G-TR equivalent, key selection criteria include dV/dt immunity (1500 V/µs at 150 °C), commutation robustness in all three quadrants, thermal resistance (1.15 °C/W j-c), and RoHS/UL-certified packaging for industrial appliance safety compliance.

Technical Context

This triac operates as a bidirectional AC switch with gate-controlled turn-on in all four quadrants, optimized for zero-crossing and phase-angle control topologies. Its snubberless architecture eliminates external RC networks by sustaining high dV/dt (1500 V/µs) and critical commutation di/dt (28 A/ms) without external snubbers.

It features internal ceramic insulation in insulated variants and clip-bonded die construction for low thermal resistance. The D²PAK variant uses copper tab mounting for direct PCB heat sinking, supporting continuous RMS current up to 16 A at case temperature ≤130 °C.

Key Specifications

Pinout & Package

D²PAK (TO-263) surface-mount package with isolated copper tab for thermal and electrical mounting; 3-terminal configuration (A1, A2, G) compatible with automated reflow assembly.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar triac-based AC switching applications.

Compared with T1650H-6T and BTB16-600CW, the T1650H-6G-TR uniquely combines SMT manufacturability, UL certification, 150 °C operation, and 1500 V/µs dV/dt - making it the only qualified choice for high-volume, safety-compliant, thermally constrained appliance designs.

Availability

T1650H-6G-TR is available at Aetrix Electronics and suitable for vacuum cleaner motor control, coffee brewer heating element switching, and inverter-based appliance inrush limiting requiring stable component supply across production ramps.

Supply support for T1650H-6G-TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing analog, microcontroller, power, and sensor solutions for industrial, automotive, and consumer markets.

The T1650H series belongs to ST's H-series snubberless triac product line, engineered specifically for high-reliability, high-power-density AC switching in universal motor and resistive load applications demanding extended thermal margins and safety certifications.

FAQ

What is the maximum allowable junction temperature for continuous operation?

The T1650H-6G-TR is rated for continuous operation up to 150 °C junction temperature, with absolute maximum ratings confirmed in Table 1 of DS5310 Rev 4. At this temperature, it sustains full 16 A RMS current when case temperature is maintained at ≤130 °C, verified via thermal characterization curves (Figure 2).

Does this triac require an external snubber circuit?

No - the T1650H-6G-TR is explicitly designed as a snubberless triac. Its guaranteed dV/dt immunity of 1500 V/µs at 150 °C and critical commutation di/dt of 28 A/ms eliminate the need for external RC snubbers in typical universal motor and resistive load applications per ST's application guidance in DS5310.

How does the D²PAK package improve thermal performance versus TO-220AB?

The D²PAK package achieves identical junction-to-case thermal resistance (1.15 °C/W) as the TO-220AB variant, but enables direct copper-tab PCB mounting for enhanced heat spreading. Unlike TO-220AB's bolted heatsink interface, D²PAK leverages large copper pour areas on FR4 boards, reducing system-level thermal impedance by up to 35% in compact SMD layouts.

Is UL certification applicable to the T1650H-6G-TR variant?

Yes - UL certification (file E81734) applies to the entire T1650H family, including the D²PAK variant. While the certificate references the TO-220AB Ins version's 2500 VRMS isolation, the D²PAK meets UL 60730-1 and UL 60335-1 requirements for component-level safety in end equipment, confirmed in ST's ECOPACK documentation and DS5310 revision history.