UE04W2-SPA is a switch power adapter from UEI Company. It has an output voltage of 6.5V, 12V, or 18V and an output current of 0.05A. The rated power is 3.9W. This product meets the Energy Star V5 standard and has high reliability and low power consumption.
This document provides the technical data for the E04W2-SPA switch power supply adapter, including electrical characteristics, environmental limits, safety standards, and mechanical dimensions. It is intended for designers and engineers who need detailed performance information.
Key sections cover input voltage range, output voltage options, efficiency, no‑load power consumption, operating temperature limits, and physical size. Reliability data such as MTBF is also listed. This manual is written in Chinese.
| Input voltage | 100‑240 V AC |
|---|---|
| Maximum input current | 0.15 A |
| Operating temperature range (load) | -20 °C to 60 °C |
| Storage temperature range | 0 °C to 40 °C |
| Dimensions (L×W×H) | 37.5 mm × 23.0 mm × 9.1 mm |
| MTBF (Mean Time Between Failures) | 50 000 hours |
The adapter accepts an input voltage of 100 V to 240 V AC.
It can operate under load from –20 °C up to 60 °C.
The adapter measures 37.5 mm × 23.0 mm × 9.1 mm.