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Product Detailed Parameters
- Description：TRIAC SENS GATE 800V 8A DPAK
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Triac Type：Logic - Sensitive Gate
- Voltage - Off State：800 V
- Current - On State (It (RMS)) (Max)：8:00 AM
- Voltage - Gate Trigger (Vgt) (Max)：1.3 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：80A, 84A
- Current - Gate Trigger (Igt) (Max)：10 mA
- Current - Hold (Ih) (Max)：15 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：DPAK
- Grade：-
- Qualification：-
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Overview
The T810-800B-TR is a logic-level Triac manufactured by STMicroelectronics, designed for general-purpose AC switching applications. It features an RMS on-state current of 8 A and a repetitive peak off-state voltage of 800 V. The device utilizes a DPAK (TO-252) surface-mount package with three pins. Key electrical parameters include a maximum gate trigger current of 10 mA, a maximum gate trigger voltage of 1.3 V, and a maximum holding current of 15 mA. It supports a non-repetitive surge current of 63 A at 50/60 Hz. The component operates within a junction temperature range of -40°C to 125°C.
Feature Summary
- Logic-level sensitivity allows direct interface with microcontrollers using low gate trigger currents.
- Surface-mount DPAK packaging facilitates compact automated manufacturing designs.
- Optimized for high EMI constraints in general-purpose AC switching environments.
Applications
- Static relays
- Heating regulation systems
- Induction motor starting circuits
Procurement Notes
Verify the specific suffix 'B' against official datasheets to confirm the 800V rating, as variations exist within the T810 family. Ensure the ordering code matches the TR tape-and-reel format if automated assembly is required. Cross-reference the manufacturer part number with distributor listings to confirm RoHS compliance status and availability before finalizing procurement plans.
Selection Notes
Select this component when a logic-level Triac is needed for MCU-driven AC control without additional driver circuitry. The 8A rating suits moderate power loads, while the 800V blocking voltage provides adequate margin for standard mains applications. Consider the DPAK package for thermal management and space-constrained PCB layouts compared to through-hole alternatives.
Part Context
This device belongs to the T-series Triac family from STMicroelectronics, which focuses on logic-level operation for simplified control interfaces. The T810 series offers various voltage ratings and packages, with the T810-800B-TR specifically providing 800V blocking capability in a surface-mount configuration suitable for industrial and consumer AC switching tasks.
Replacement Considerations
Direct substitutes may include other logic-level Triacs with similar 8A/800V ratings in DPAK packages, such as the T810-600B-TR for lower voltage applications or equivalent parts from other manufacturers like Littelfuse or Infineon that match the pinout and electrical specifications.
