STMicroelectronics T3035H-8I Snubberless™ Triac 30A 800V TO-220AB Insulated

Advanced AC Switching with STMicroelectronics T3035H-8I Snubberless™ Triac

The STMicroelectronics T3035H-8I Snubberless™ Triac represents a significant advancement in semiconductor technology for high-current AC switching applications. Designed to deliver exceptional performance in demanding environments, this 30A 800V device combines robust electrical characteristics with innovative snubberless architecture. As a member of STMicroelectronics' renowned Snubberless™ series, this triac eliminates the need for external snubber networks typically required in inductive load applications, reducing component count while enhancing system reliability.

Technical Excellence in Power Management

Engineered with precision, the T3035H-8I demonstrates exceptional electrical specifications that make it ideal for modern power control systems. Its 800V off-state voltage capability ensures reliable operation in high-voltage environments, while the 30A RMS on-state current enables efficient handling of substantial load currents. The device's 1.3V maximum gate trigger voltage and 35mA gate trigger current specifications facilitate easy integration with standard control circuits, minimizing driver requirements.

For surge protection, the triac offers impressive non-repetitive surge current ratings of 283A at 50Hz and 270A at 60Hz, ensuring robustness against transient events. The 60mA maximum hold current specification guarantees stable operation during current zero-crossing transitions. These parameters are maintained across an industrial operating temperature range of -40°C to 150°C, making the device suitable for deployment in diverse environmental conditions.

Industrial-Grade Packaging Solution

Housed in a TO-220AB insulated package, this triac combines mechanical durability with excellent thermal management capabilities. The through-hole mounting configuration ensures secure PCB integration while maintaining optimal thermal dissipation characteristics. The device's single configuration design simplifies circuit implementation, while its compliance with industry-standard package dimensions facilitates easy replacement and system upgrades.

The Snubberless™ technology incorporated in the T3035H-8I offers distinct advantages for inductive load applications. By eliminating external snubber networks, designers can achieve significant reductions in board space requirements, component costs, and assembly complexity. This innovation maintains reliable commutation performance while minimizing electromagnetic interference (EMI) generation, making it particularly valuable for motor control, lighting systems, and industrial automation applications.

Comprehensive Applications Coverage

This high-performance triac finds extensive application across multiple industries requiring precise AC power control. In home appliances, it enables efficient motor speed control for washing machines and HVAC systems. Industrial applications benefit from its robustness in controlling heating elements, pumps, and conveyor systems. The device's reliability makes it suitable for smart grid implementations and energy-efficient lighting systems, while its automotive-grade specifications support electric vehicle charging infrastructure and industrial motor drives.

As part of STMicroelectronics' comprehensive power semiconductor portfolio, the T3035H-8I maintains compatibility with the company's ecosystem of driver ICs and protection circuits. This enables designers to create complete power management solutions using standardized components, reducing development time and ensuring consistent performance across different applications.

Reliability and Longevity

The device's construction incorporates STMicroelectronics' proven manufacturing processes that ensure long-term reliability in challenging operating conditions. The TO-220AB package provides excellent mechanical stability while maintaining electrical insulation properties. With its wide operating temperature range and robust surge current handling capability, the triac delivers extended service life even in harsh industrial environments. The device's compliance with industry-standard qualification procedures ensures consistent quality and reliability across production batches.

Design Flexibility

The T3035H-8I's electrical characteristics provide designers with significant flexibility in circuit implementation. Its gate trigger parameters accommodate various control strategies, from simple zero-crossing detection to sophisticated phase-angle control techniques. The device's snubberless architecture simplifies thermal management considerations by eliminating power dissipation associated with external snubber components. This combination of features enables the creation of compact, efficient power control solutions across multiple application domains.

Tags: Power Electronics, AC Switching, Semiconductor Devices, Industrial Components, Electronic Relays