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Product Detailed Parameters
- Description：TRIAC ALTERNISTOR 800V 16A D2PAK
- Series：Snubberless™
- Mfr：STMicroelectronics
- Package：Tube
- Triac Type：Alternistor - Snubberless
- Voltage - Off State：800 V
- Current - On State (It (RMS)) (Max)：16 A
- Voltage - Gate Trigger (Vgt) (Max)：1.3 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：120A, 126A
- Current - Gate Trigger (Igt) (Max)：35 mA
- Current - Hold (Ih) (Max)：45 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package：D2PAK
- Grade：-
- Qualification：-
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Overview
The T1635T-8G is a Snubberless™ Triac in the D²PAK surface-mount package, rated for 16 A RMS on-state current and 800 V repetitive peak off-state voltage. It supports three-quadrant triggering with a maximum gate trigger current of 35 mA and operates within a junction temperature range of -40 °C to +150 °C. The device features high static dV/dt immunity and robust dynamic turn-off commutation, allowing snubber RC circuits to be omitted when datasheet limits are respected. Non-repetitive surge peak on-state current reaches 120 A at 20 ms pulse width.
Feature Summary
- High static dV/dt provides strong immunity against false turn-on events
- Enhanced dynamic turn-off commutation improves performance in high-temperature environments
- Extended thermal margin enabled by a maximum junction temperature of 150 °C
- Effective thermal resistance achieved through a non-insulated tab design
Applications
- General purpose AC line load switching
- Motor control circuits
- Home appliances
- Heating systems
- Lighting controls
Procurement Notes
Verify the specific ordering suffix to confirm the delivery format. The standard tube configuration requires a base quantity of 50 units per tube. The tape and reel variant is available with a base quantity of 1000 units. Ensure the selected packaging aligns with the automated assembly requirements of the target production line.
Selection Notes
Select this component for applications requiring high commutation capability without external snubber networks. Verify that the circuit respects the specified limits for dI/dt and dV/dt to ensure reliable operation. The D²PAK package offers a compact footprint suitable for space-constrained designs while maintaining adequate thermal dissipation capabilities.
Part Context
This part belongs to STMicroelectronics' T-Series of Snubberless Triacs. It shares core electrical characteristics with other variants in the family but differs in its specific SMD package type. The T1635T-8G is designed to replace traditional triacs that require complex external protection circuits, simplifying the overall system architecture.
Replacement Considerations
Direct replacements include the T1635T-8G-TR for identical specifications in tape and reel packaging. Other members of the T1635T series may offer different current ratings or package options.
