Overview
The ACS120-7ST, produced by STMicroelectronics, is a high-performance AC line switch that belongs to the AC line switch family built around the ASD™ (Advanced Switching Device) concept. This component is designed to control loads up to 2 A and is known for its robust and reliable performance in various applications. It features an integrated driver and a high voltage clamping structure, making it suitable for use in environments with high inductive turn-off energy.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VDRM / VRRM (Repetitive peak off-state voltage) | 700 | V |
| IT(RMS) (RMS on-state current full cycle sine wave) | 2 | A |
| ITSM (Non repetitive surge peak on-state current) | 20 (50 Hz), 11 (60 Hz) | A |
| I2t (Fusing capability) | 2.2 | A²s |
| dI/dt (Repetitive on-state current critical rate of rise) | 50 | A/µs |
| VPP (Non repetitive line peak pulse voltage) | 2 | kV |
| Tstg (Storage temperature range) | -40 to +150 | °C |
| IGT (Gate triggering current) | < 10 | mA |
| VGT (Gate threshold voltage) | < 1 | V |
| Package | TO-220AB |
Key Features
- Overvoltage protected AC switch with integrated driver.
- No need for external protection snubber or varistor.
- High noise immunity: static dV/dt > 500 V/µs.
- Eliminates gate kickback on the microcontroller.
- Reduces component count up to 80%.
- Interfaces directly with the microcontroller.
- Allows straightforward connection of several ACS™ switches on the same cooling pad.
- Ecopack2 compliant and RoHS compliant.
Applications
- AC static switching in appliance control systems.
- Drive of low power high inductive or resistive loads such as relays, valves, solenoids, dispensers, pumps, fans, and micro-motors.
- Defrost heaters.
Q & A
- What is the maximum RMS on-state current of the ACS120-7ST? The maximum RMS on-state current is 2 A.
- What is the repetitive peak off-state voltage of the ACS120-7ST? The repetitive peak off-state voltage is 700 V.
- What is the gate triggering current of the ACS120-7ST? The gate triggering current is less than 10 mA.
- Does the ACS120-7ST require external protection components? No, it does not require external protection snubber or varistor.
- What is the storage temperature range of the ACS120-7ST? The storage temperature range is -40 to +150 °C.
- What are the common applications of the ACS120-7ST? Common applications include AC static switching in appliance control systems, driving low power high inductive or resistive loads, and defrost heaters.
- Is the ACS120-7ST RoHS compliant? Yes, it is RoHS compliant and also complies with Ecopack2 standards.
- What is the package type of the ACS120-7ST? The package type is TO-220AB.
- How does the ACS120-7ST reduce component count? It reduces component count up to 80% by integrating the driver and high voltage clamping structure.
- Does the ACS120-7ST eliminate gate kickback on the microcontroller? Yes, it eliminates gate kickback on the microcontroller.
