ACST410-8BTR Triac - STMicroelectronics 800V 4A Sensitive Gate Triac
- Brand: STMicroelectronics
- Product Code: ACST410-8BTR
- Availability: In Stock
$0.28
- Ex Tax: $0.28
ACST410-8BTR Triac: High-Performance 800V 4A Sensitive Gate Solution for Modern Electronics
STMicroelectronics' ACST410-8BTR Triac represents the pinnacle of semiconductor technology for precise power control applications. This advanced DPAK-packaged device combines exceptional electrical characteristics with robust thermal performance, making it an ideal choice for engineers working on demanding industrial automation, home appliance, and motor control systems. With its sensitive gate design requiring only 1V trigger voltage, this TRIAC delivers reliable operation while minimizing control circuit complexity.
Key Technical Advantages
The ACST410-8BTR's 800V off-state voltage capability ensures exceptional performance in high-voltage environments, while maintaining a maximum RMS on-state current of 4A for demanding load requirements. The device's 10mA maximum gate trigger current enables efficient control circuit design, complemented by a low 20mA hold current that guarantees stable operation during power transitions. Its surface-mount DPAK package offers excellent thermal dissipation characteristics while maintaining compatibility with standard PCB assembly processes.
Engineers will appreciate the device's non-repetitive surge current rating of 30A/32A (50/60Hz), providing critical protection during inrush current scenarios. The TRIAC's operating temperature range of -40°C to 125°C makes it suitable for both industrial and automotive applications where environmental conditions can vary dramatically. This temperature resilience, combined with the device's inherent reliability, ensures consistent performance in challenging environments.
| Parameter | Value |
|---|---|
| Max Voltage | 800V |
| RMS Current | 4A |
| Gate Trigger Voltage | ≤1V |
| Package Type | DPAK (TO-252-3) |
| Surge Current | 30A/32A |
Design Flexibility and Applications
This TRIAC's combination of high voltage capability and sensitive gate characteristics makes it particularly well-suited for modern smart home devices requiring precise AC power control. From variable-speed motor drives in HVAC systems to dimming circuits in LED lighting, the ACST410-8BTR provides consistent performance across diverse applications. The device's surface-mount design enables compact PCB layouts while maintaining the thermal stability needed for high-reliability systems.
Industrial automation systems benefit from the TRIAC's robust 800V rating, which provides reliable protection against voltage spikes in industrial environments. Automotive engineers utilize its temperature resilience for climate control systems and electric window motors. Consumer electronics manufacturers take advantage of its compact DPAK packaging for space-constrained designs in appliances like washing machines and microwave ovens.
Technical Excellence in Power Semiconductor Design
STMicroelectronics' ACST410-8BTR embodies the company's commitment to innovation in power semiconductor technology. The device's sensitive gate architecture reduces control circuit complexity while maintaining exceptional switching performance. Its advanced thermal management features ensure reliable operation under continuous load conditions, with the DPAK package providing superior heat dissipation compared to traditional through-hole solutions.
When integrating this TRIAC into new designs, engineers should consider its compatibility with standard gate driver ICs and the benefits of its low trigger current requirements. The device's 2500-piece minimum order quantity makes it accessible for both prototype development and volume production, with competitive pricing at $0.28 per unit for qualified customers.
Tags: Power Electronics, Industrial Automation, Voltage Control, Semiconductor Devices, Surface Mount Technology