Overview
The T435-800T Triac, produced by STMicroelectronics, is part of the T4 series of Snubberless™ Triacs. This device is designed to provide high commutation performances and is suitable for use on AC inductive loads. It leverages ST’s Snubberless / logic level technology, making it ideal for various applications requiring efficient and reliable AC switching.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| On-state rms current (full sine wave) | IT(rms) | 4 | A |
| Repetitive peak off-state voltage (V) | VDRM, VRRM | 800 | V |
| Triggering gate current max (mA) | IGT | 35 | mA |
| Quadrants | - | I, II, III | - |
| Non repetitive surge peak on-state current | ITSM | 30 (F = 50 Hz, t = 20 ms), 31 (F = 60 Hz, t = 16.7 ms) | A |
| Operating junction temperature range | Tj | -40 to +125 | °C |
| Junction to case thermal resistance | Rth(j-c) | 2.6 | °C/W |
| Junction to ambient thermal resistance | Rth(j-a) | 60 (TO-220AB), 70 (DPAK), 100 (IPAK) | °C/W |
Key Features
- Three quadrants operation (I, II, III)
- High commutation performances due to Snubberless / logic level technology
- Suitable for use on AC inductive loads
- High surge current capability
- Low gate trigger current (IGT)
- Lead-free and halogen-free package
- ECOPACK® compliant for environmental sustainability
Applications
- General purpose AC inductive loads
- Motor control circuits
- Small home appliances (e.g., dishwashers, kitchen aid equipment)
- Power tools
- Electro valves and universal motors
Q & A
- What is the T435-800T Triac used for?
The T435-800T Triac is used for controlling AC inductive loads, such as in motor control circuits, small home appliances, power tools, and electro valves.
- What are the key benefits of the Snubberless / logic level technology in the T435-800T Triac?
The Snubberless / logic level technology provides high commutation performances, reduces the need for snubbers, and offers low gate trigger current.
- What is the maximum repetitive peak off-state voltage of the T435-800T Triac?
The maximum repetitive peak off-state voltage (VDRM/VRRM) is 800 V.
- What are the operating temperature ranges for the T435-800T Triac?
The operating junction temperature range is -40 to +125 °C.
- What types of packages are available for the T435-800T Triac?
The T435-800T Triac is available in TO-220AB, DPAK, and IPAK packages.
- Is the T435-800T Triac environmentally compliant?
- What is the maximum non-repetitive surge peak on-state current for the T435-800T Triac?
The maximum non-repetitive surge peak on-state current is 30 A (F = 50 Hz, t = 20 ms) and 31 A (F = 60 Hz, t = 16.7 ms).
- What is the junction to ambient thermal resistance for the TO-220AB package?
The junction to ambient thermal resistance for the TO-220AB package is 60 °C/W.
- What is the triggering gate current for the T435-800T Triac?
The triggering gate current (IGT) is 35 mA.
- Can the T435-800T Triac be used in high-frequency applications?
The T435-800T Triac is designed for general AC inductive loads and may not be optimal for high-frequency applications without proper evaluation.
