RFQ / BOM 0 Sign In / Register

Select Your Location

T1650H-6G TRIAC: A Comprehensive Review - High-Voltage, Snubberless and Ideal for AC Power Control

May 14, 2025

568

In today's energy-efficient electronics landscape, the demand for robust AC switching components like the T1650H-6G TRIAC is surging. STMicroelectronics' Snubberless H-Series TRIAC stands out with its 600V voltage rating, 16A current capacity, and industry-leading commutation capabilities up to 150°C. Designed for surface-mount (D2PAK) applications, this component reduces heatsink requirements while ensuring reliability in industrial and consumer electronics. Discover how the T1650H-6G outperforms conventional TRIACs in our detailed analysis below.


企业微信截图_20250428161843.png

Product Overview

The T1650H-6G is a medium-current Snubberless TRIAC (Alternistor) featuring:

  • Voltage/Current Rating: 600V VDRM, 16A IT(RMS)

  • High-Temp Operation: Up to 150°C junction temperature

  • Package: D2PAK (TO-263-3) surface-mount for automated PCB assembly

  • Compliance: RoHS, UL certified (E81734)

Core Parameters

ParameterValueSource
Repetitive Off-State Voltage (VDRM)600 VST Datasheet
On-State Voltage (VT)1.5 V (max)ST Datasheet
Gate Trigger Current (IGT)50 mAST Datasheet
Non-Repetitive Surge Current (ITSM)168 AST Datasheet
Operating Temperature-40°C to +150°CST Datasheet

Selection Guide

When to choose T1650H-6G:

  1. High-Temp Environments: Optimal for applications requiring stable performance up to 150°C.

  2. Space-Constrained Designs: D2PAK package saves PCB area vs. TO-220.

  3. Snubberless Operation: Eliminates external snubber circuits in inductive loads.

Comparison with Similar Models

ModelPackageIT(RMS)Key Difference
T1650H-6GD2PAK16ASnubberless, SMD
BTA16-600BTO-22016ARequires snubber circuit
Z0103MNTO-921ALow-power applications

Application Cases

  • Industrial: Motor controls, solenoid drivers

  • Consumer: Dimmers, appliance power switches

  • Lighting: LED driver phase control

Market Analysis

According to industry reports, the global TRIAC market is projected to grow at 5.8% CAGR (2023-2030), driven by smart home devices and industrial automation. The T1650H-6G’s Snubberless technology addresses the demand for energy-efficient designs with reduced BOM costs.

Future Trends

Emerging applications in EV charging and renewable energy systems will favor high-voltage TRIACs like the T1650H-6G. STMicroelectronics is expected to release higher-current variants (25A+) in the same package.

FAQs

Q1: Can T1650H-6G replace mechanical relays?

A: Yes, for AC loads up to 16A, it offers silent operation and longer lifespan.

Q2: Is a heatsink required?

A: Depends on load current. For <8A continuous, PCB copper may suffice (refer to thermal calculations in datasheet).

Q3: What’s the advantage of Snubberless design?

A: Reduces component count and board space by eliminating RC snubber networks.

Q4: How does it compare to MOSFETs?

A: TRIACs are better for AC switching; MOSFETs excel in DC/pulse applications.

Q5: MOQ and lead time?

A: Standard MOQ is 1000 units (factory packed). Contact [email protected] for stock availability.

Conclusion

The T1650H-6G combines STMicroelectronics’ Snubberless technology with the compact D2PAK package, making it a future-proof choice for AC power control. Engineers seeking reliable, high-temperature performance in automated manufacturing environments will find this TRIAC delivers exceptional value.

Contact our team at [email protected] for pricing and technical support.