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Product Detailed Parameters
- Description：TRIAC ALTERNISTOR 800V TO220FPAB
- 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)：40 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-220-3 Full Pack
- Supplier Device Package：TO-220FPAB
- Grade：-
- Qualification：-
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Overview
The T1635T-8FP is a 16 A Snubberless™ Triac in a TO-220FPAB through-hole package. It supports on/off and phase angle control for general purpose AC switching with high commutation capability, eliminating the need for snubber circuits within specified limits. Key electrical parameters include an IT(rms) of 16 A at TC = 87 °C, VDRM/VRRM of 800 V, and IGT max of 35 mA. Non-repetitive surge peak off-state voltage (VDSM/VRSM) is 900 V. The device operates over a junction temperature range of -40 to +150 °C and provides UL certified insulation rated at 2 kV.
Feature Summary
- High static and dynamic commutation capabilities
- Three-quadrant operation
- ECOPACK®2 compliant environmental packaging
- UL certified insulation rated at 2 kV
Applications
- General purpose AC line load switching
- Motor control circuits
- Small home appliances
- Lighting systems
- Inrush current limiting circuits
- Overvoltage crowbar protection
Procurement Notes
Verify component authenticity by checking the marking code 'T1635T-8FP' against the datasheet. Confirm the package type is TO-220FPAB and ensure compliance with ECOPACK®2 standards. Review the latest revision history for any updates to absolute ratings or thermal characteristics before finalizing procurement specifications.
Selection Notes
Select this component for applications requiring high commutation capability without external snubber networks. Ensure the case temperature remains below 87 °C to maintain the 16 A RMS rating. Verify that the gate trigger current requirements align with the driver circuit, as IGT max is 35 mA across all three quadrants.
Part Context
This part belongs to the T1635T series of medium current Triacs from STMicroelectronics. It is designed for general-purpose AC switching where high dV/dt immunity and dynamic turn-off performance are critical. The FP suffix indicates the specific TO-220FPAB insulated tab package configuration.
Replacement Considerations
Direct replacements must match the 16 A current rating, 800 V blocking voltage, and TO-220FPAB package. Verify equivalent Snubberless™ technology and UL certification if required by the application safety standards.
FAQ
What is the maximum non-repetitive surge peak on-state current?
The ITSM is 120 A for a 50 Hz, 20 ms full cycle and 126 A for a 60 Hz, 16.7 ms full cycle, starting from an initial Tj of 25 °C.
Does the T1635T-8FP require a snubber circuit?
No, it can be used without a snubber RC circuit when the limits defined in the datasheet, such as (dV/dt)c > 20 V/µs, are respected.
What is the insulation voltage rating?
The device provides UL certified insulation rated at 2 kV rms for 1 minute.
