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Product Detailed Parameters
- Description：TRIAC SENS GATE 800V 0.8A SC73
- Series：-
- Mfr：WeEn Semiconductors
- Package：Tape & Reel (TR),Cut Tape (CT)
- Triac Type：Logic - Sensitive Gate
- Voltage - Off State：800 V
- Current - On State (It (RMS)) (Max)：800 mA
- Voltage - Gate Trigger (Vgt) (Max)：1 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：13A, 14.3A
- Current - Gate Trigger (Igt) (Max)：10 mA
- Current - Hold (Ih) (Max)：20 mA
- Configuration：Single
- Operating Temperature：125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-261-4, TO-261AA
- Supplier Device Package：SC-73
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Overview
The WeEn Semiconductors ACT108W-800EF is a logic-sensitive gate TRIAC designed for surface-mount applications in the SC-73 package. It features an 800 V off-state voltage rating and supports a maximum RMS on-state current of 800 mA. The device requires a low gate trigger voltage of up to 1 V and a gate trigger current of 10 mA, enabling efficient control with standard logic interfaces. It withstands non-repetitive surge currents of 13 A at 50 Hz and 14.3 A at 60 Hz. Operating reliably up to a junction temperature of 125°C, it meets RoHS3 standards and carries an MSL rating of 1.
Feature Summary
- Logic-sensitive gate architecture allows direct interfacing with microcontrollers and digital logic circuits without additional drive components.
- Compact SC-73 surface-mount packaging facilitates automated assembly and space-constrained PCB layouts.
- High surge current capability ensures robust performance during transient load conditions.
Applications
- Solid-state relays requiring compact form factors
- Lighting control systems for residential and commercial fixtures
- Motor speed control circuits for small appliances
Procurement Notes
Verify the specific suffix EF against the manufacturer's official datasheet to confirm pinout and electrical tolerances. Ensure the ordering quantity aligns with the standard reel size of 4,000 units or cut tape availability. Confirm RoHS3 compliance status for your region's regulatory requirements before finalizing procurement.
Selection Notes
Select this component when a low-power TRIAC with logic-compatible gate sensitivity is required. The 800 mA current rating suits light loads, while the 800 V blocking voltage provides adequate margin for mains-connected applications. Consider the SC-73 thermal characteristics for heat dissipation needs in enclosed designs.
Part Context
This part belongs to the ACT108 family of TRIACs from WeEn Semiconductors. The series focuses on providing reliable switching solutions for consumer electronics and industrial controls. The ACT108W-800EF variant specifically addresses the need for high-voltage handling in a minimal footprint package.
Replacement Considerations
Cross-reference with other logic-sensitive TRIACs in the SC-73 package having similar 800V/800mA ratings. Verify that substitute devices match the gate trigger voltage and current specifications to ensure circuit compatibility without redesign.
FAQ
What is the maximum gate trigger voltage for the ACT108W-800EF?
The maximum gate trigger voltage (Vgt) is specified as 1 V, allowing operation with standard logic levels.
Is the ACT108W-800EF suitable for high-temperature environments?
Yes, the device is rated for a maximum junction temperature (Tj) of 125°C, supporting operation in moderately heated applications.
What package type does the ACT108W-800EF use?
It utilizes the SC-73 surface-mount package, which is equivalent to TO-261AA.
