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Product Detailed Parameters
- Description：TRIAC SENS GATE 500V 0.2A 8SOIC
- Series：ASD™
- Mfr：STMicroelectronics
- Package：Tube
- Triac Type：Logic - Sensitive Gate
- Voltage - Off State：500 V
- Current - On State (It (RMS)) (Max)：200 mA
- Voltage - Gate Trigger (Vgt) (Max)：900 mV
- Current - Non Rep. Surge 50, 60Hz (Itsm)：7.3A, 8A
- Current - Gate Trigger (Igt) (Max)：5 mA
- Current - Hold (Ih) (Max)：20 mA
- Configuration：Single
- Operating Temperature：-30°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The ACS102-5T1 is an AC line switch from the ASD™ family, packaged in SO-8. It features a repetitive peak off-state voltage (VDRM/VRRM) of 500 V and an RMS on-state current (IT(RMS)) of 0.2 A at Tamb = 100 °C. The device includes an integrated high-voltage clamping structure with a typical clamping voltage (VCL) of 600 V to absorb inductive turn-off energy. Gate triggering requires a negative current sourced by the gate pin, with a maximum IGT of 5 mA and VGT of 0.9 V. It operates within a junction temperature range of -30 °C to +125 °C.
Feature Summary
- Integrated high-voltage clamping structure absorbs inductive turn-off energy without external snubbers
- Gate level shifter driver separates digital controller from main switch, eliminating gate kickback
- Triggered by negative gate current flowing out of the gate pin for direct microcontroller interface
Applications
- AC on-off static switching in appliance control systems
- Industrial control systems requiring low power load switching
- Driving low power high inductive or resistive loads such as relays, valves, solenoids, dispensers, pumps, fans, micro-motors, door locks, and low power lamps
Procurement Notes
Verify component status before procurement as this part may be obsolete. Confirm package type matches design requirements, specifically the SO-8 variant. Check manufacturer documentation for end-of-life notices and recommended replacement strategies. Ensure supply chain stability through authorized distributors.
Selection Notes
Select based on required blocking voltage and load current ratings. The 500 V rating suits standard AC mains applications. Consider thermal resistance characteristics when designing heat dissipation. Verify compatibility with microcontroller logic levels due to the specific negative gate trigger requirement.
Part Context
The ACS102-5T1 belongs to the ACS102 series of AC line switches built around the ASD™ concept. This family integrates switch functionality with protection features, reducing component count. The SO-8 package allows common cooling pad connections for multiple devices, facilitating compact PCB layouts in appliance designs.
Replacement Considerations
Check STMicroelectronics documentation for officially confirmed substitute part numbers. Verify that any replacement maintains the same voltage, current, and package specifications.
