Technical Information & Details for the MEAN WELL RS-15-3.3 Power Supply
- Output Power: 9.9 W
- Output Voltage: 3.3 V DC
- Output Current: 3 A
- Input Voltage Range: 85 – 264 V AC / 120 – 370 V DC, 47 – 63 Hz
- Efficiency: 72%
- Ripple & Noise: ≤ 80 mVp-p
- Inrush Current: Cold Start 65 A @ 230 VAC
- No Load Power Consumption: < 0.5 W
- Operating Temperature: −20 °C to +70 °C
- Cooling: Free air convection
- Protection Functions: Short circuit, Overload, Over voltage, Over temperature
- Isolation Voltage: 3000 V AC between input and output
- Dimensions (L x W x H): 62.5 mm x 51 mm x 28 mm
- Weight: 130 g
- Safety & EMC Certificates: UL, TUV, CB, EAC, CE, CCC
- LED Indicator: Power On Indicator
- Manufacturer Warranty: 3 Years
Information about the MEAN WELL RS-15-3.3
The MEAN WELL RS-15-3.3 is a specialized 9.9W miniature enclosed switching power supply engineered to deliver a stable 3.3V output for low-voltage digital circuits and microprocessor systems. Its primary advantage is its ultra-compact mechanical footprint, which is specifically designed to fit into tight spaces where traditional power supplies cannot. This model emphasizes high reliability through the use of 105°C long-life electrolytic capacitors, ensuring consistent performance even in challenging thermal environments. The unit is built to be exceptionally resilient, capable of withstanding 300VAC surge inputs for 5 seconds and meeting 5G vibration test standards for industrial durability.
In addition to its rugged construction, the RS-15-3.3 features a universal AC input range, making it compatible with power grids worldwide without manual switching. It provides comprehensive protection including hiccup-mode overload recovery and over-voltage clamping, which safeguards sensitive low-voltage components from electrical faults. With an energy-efficient design that keeps no-load power consumption under 0.5W and a wide operating temperature range up to 70°C, this power supply is an ideal choice for embedded systems and automation. The fanless cooling system ensures silent operation, while the 3-year warranty underscores MEAN WELL's commitment to long-term industrial-grade quality.