The product is a PSS-40 open frame switcher from PHIHONG with a rated power of 40W. It supports multiple output voltages ranging from 3.3V to 48V and has a maximum output current of 10A. It has the features of small size, low cost, low power consumption and high performance.
The PSS-40 series provides a mini‑footprint, low‑cost solution for universal power conversion. It accepts 90‑264 VAC input and delivers selectable DC outputs from +3.3 V to +48 V with high efficiency (typical 70%). The device meets Class B emissions and includes over‑voltage and over‑current protection.
Mechanical dimensions are compact (108 mm × 32 mm × 63.5 mm) and the unit weighs only 200 g. It features Molex AC and DC mating connectors and complies with ISO 9001, IEC 61000‑4‑5, FCC Class B, and EN 55022B standards.
| Input Voltage | 90‑264 VAC |
|---|---|
| Input Frequency | 47‑63 Hz |
| Input Current (115 VAC) | 0.7 A rms |
| Efficiency | 70 % typical |
| Dimensions (L × H × W) | 108 mm × 32 mm × 63.5 mm |
| Weight | 200 g |
| Switching Frequency | 55 kHz (typical) |
| MTBF (full load, 25 °C) | 68 000 hrs |
The PSS-40 accepts an AC input voltage from 90 VAC to 264 VAC.
The typical efficiency is about 70 %.
The unit measures 108 mm in length, 32 mm in height, and 63.5 mm in width.
The AC mating connector is Molex 09‑50‑3031 and the DC mating connector is Molex 09‑50‑3061.