Key facts
- Brand
- STMicroelectronics
- Model
- AVS12
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-10
Start here
STMicroelectronics AVS12 Automatic Voltage Switch User Manual
The AVS12 kit is an automatic mains selector (110/220 V AC) designed for SMPS applications under 500 W. It consists of a low‑consumption controller and a specially optimized triac that ensure safe voltage switching and high efficiency.
The document includes block diagrams, absolute maximum ratings, thermal resistance data, electrical characteristics, reset behaviour, typical application circuits, ordering information, and mechanical dimensions, helping designers integrate the device and service technicians perform maintenance.
STMicroelectronics AVS12 specifications
| Supply voltage (Vss) | -12 V to 0.5 V |
|---|---|
| Oscillator frequency | 42 kHz – 46 kHz |
| Peak off‑state voltage (Vorm) | +600 V |
| Maximum RMS on‑state current (Iams) | 12 A |
| Junction‑to‑ambient thermal resistance (Rth j‑a) | 60 °C/W |
| Recommended mounting torque | 0.8 m·N (max 1 m·N) |
Source: STMicroelectronics AVS12 Automatic Voltage Switch User Manual
All STMicroelectronics AVS12 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What input voltage range does the AVS12 support?
The AVS12 works with 110 V or 220 V AC mains.
From: STMicroelectronics AVS12 Automatic Voltage Switch User Manual
What is the maximum peak voltage the triac can block?
The triac can block up to +600 V.
From: STMicroelectronics AVS12 Automatic Voltage Switch User Manual