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Product Detailed Parameters
- Description：TRIAC ALTERNISTOR 800V 25A D2PAK
- Series：Snubberless™
- Mfr：STMicroelectronics
- Package：Tube
- Triac Type：Alternistor - Snubberless
- Voltage - Off State：800 V
- Current - On State (It (RMS)) (Max)：25 A
- Voltage - Gate Trigger (Vgt) (Max)：1.3 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：250A, 260A
- Current - Gate Trigger (Igt) (Max)：35 mA
- Current - Hold (Ih) (Max)：50 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 125°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 T2535-800G is a Snubberless TRIAC manufactured by STMicroelectronics, designed for AC switching applications. It features an RMS on-state current of 25 A and a repetitive peak off-state voltage of 800 V. The device operates within a junction temperature range of -40°C to 125°C and supports a surge current rating of 250 A. Key electrical parameters include a maximum gate trigger current (Igt) of 35 mA, a maximum gate trigger voltage (Vgt) of 1.3 V, and a maximum holding current (Ih) of 50 mA. It is housed in a surface-mount TO-263 package with three pins.
Feature Summary
- Snubberless technology enables direct control of inductive loads without external RC snubber circuits.
- High noise immunity through robust static dV/dt characteristics.
- Robust dynamic turn-off commutation capability for reliable operation under varying load conditions.
Applications
- On/off or phase angle control in general purpose AC switching circuits
- Motor control for home appliances
- Heater load control in residential environments
Procurement Notes
Verify the specific suffix 'G' indicates RoHS compliance and halogen-free status as per manufacturer standards. Confirm the package variant matches the required TO-263 footprint. Ensure the voltage rating aligns with system requirements. Check for any recent Product Change Notifications affecting pinout or thermal characteristics before finalizing procurement.
Selection Notes
Select this component when a 25 A RMS current capacity and 800 V blocking voltage are required in a surface-mount format. Consider the Snubberless feature to reduce bill of materials cost and board space. Evaluate thermal management needs given the 125°C operating limit. Compare against lower current variants if load demands are smaller.
Part Context
This part belongs to the T2535 series of TRIACs from STMicroelectronics. It shares the same core Snubberless technology and 25 A current rating with other variants like the T2535-600G, differing primarily in voltage rating. It is distinct from the T2535T series which utilizes a through-hole TO-220 package instead of the surface-mount TO-263 configuration.
Replacement Considerations
The T2535-600G is a compatible alternative offering identical current and package specifications but with a reduced 600 V voltage rating. Verify that the system voltage does not exceed 600 V before substituting. Other family members may require different mounting styles or have different current ratings.
