Overview
The ACS108-6SA-AP, produced by STMicroelectronics, is a high-performance AC switch designed with A.S.D.® technology. This device is capable of controlling loads up to 0.8 A and features an overvoltage crowbar structure to absorb inductive turn-off energy. It is particularly suited for applications requiring high noise immunity and robust overvoltage protection, making it an ideal choice for various industrial and appliance control systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| On-state rms current (IT(RMS)) | 0.8 | A |
| VDRM, VRRM | 600 | V |
| IGT (Gate trigger current) | 10 | mA |
| Threshold voltage (VT0) at Tj = 125 °C | 0.85 | V |
| Dynamic resistance (Rd) at Tj = 125 °C | 300 | mΩ |
| Junction to lead thermal resistance (Rth(j-l)) | 60 | °C/W |
| Junction to ambient thermal resistance (Rth(j-a)) | 150 | °C/W |
| Package | TO-92 |
Key Features
- Overvoltage protection with crowbar technology, enabling the device to withstand surge voltages up to 2 kV above peak mains voltage.
- High noise immunity against static dV/dt and IEC 61000-4-4 burst.
- No external protection snubber or varistor required.
- Reduces component count by up to 80% and interfaces directly with microcontrollers.
- Common package tab connection supports multiple AC switches on the same cooling pad.
- Meets IEC 61000-4-5 surge standards.
Applications
- Alternating current on/off static switching in appliances and industrial control systems.
- Driving low power high inductive or resistive loads such as relays, valves, solenoids, dispensers, pumps, fans, low power motors, door locks, and air flow dumpers.
- Lamp control.
Q & A
- What is the maximum on-state rms current of the ACS108-6SA-AP?
The maximum on-state rms current is 0.8 A. - What is the maximum voltage rating (VDRM, VRRM) of the ACS108-6SA-AP?
The maximum voltage rating is 600 V. - What is the gate trigger current (IGT) of the ACS108-6SA-AP?
The gate trigger current is 10 mA. - Does the ACS108-6SA-AP require external protection components?
No, it does not require external protection snubbers or varistors. - What are the thermal resistance values for the ACS108-6SA-AP?
The junction to lead thermal resistance (Rth(j-l)) is 60 °C/W, and the junction to ambient thermal resistance (Rth(j-a)) is 150 °C/W. - What package type is the ACS108-6SA-AP available in?
The ACS108-6SA-AP is available in the TO-92 package. - What are some of the key applications of the ACS108-6SA-AP?
It is used in alternating current on/off static switching in appliances and industrial control systems, and for driving low power high inductive or resistive loads. - How does the ACS108-6SA-AP protect against overvoltage?
The device uses overvoltage crowbar technology to absorb inductive turn-off energy and withstand surge voltages. - Is the ACS108-6SA-AP compliant with any specific standards?
Yes, it meets the IEC 61000-4-5 surge standards. - What is the environmental compliance of the ACS108-6SA-AP package?
The package meets environmental requirements and is available in different ECOPACK® grades depending on the level of environmental compliance.
