Mean Well
Mean Well - 20W Single Output DC - DC Converter - 5VDC
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High-Efficiency 20W DC-DC Power Module
Engineered for performance and reliability, the Mean Well SKA20A-05 is a professional-grade 20W single-output DC-DC converter designed to deliver a stable 5V DC output from a wide 9-18V DC input range. Housed in a compact, six-sided shielded metal case measuring just 2" x 1", this converter is an ideal solution for space-constrained applications in telecommunications, industrial control, and distributed power architectures. Its high efficiency of up to 88% ensures minimal power loss and reduced heat generation, allowing for reliable operation in a wide range of temperatures from -40°C to +85°C without forced air cooling.
Robust Protection and Advanced Features
The SKA20A-05 is equipped with a comprehensive set of protections, including short circuit, overload, and over-voltage, ensuring the safety and longevity of both the converter and the connected load. The hiccup mode for short circuits and auto-recovery for overload conditions provide resilient, dependable performance with minimal intervention. Advanced features such as 1500VDC I/O isolation, a built-in EMI filter, and remote ON/OFF control offer enhanced safety and system integration flexibility. Every unit undergoes a 100% full load burn-in test, guaranteeing the high reliability that Mean Well is known for.
Official Specifications Table (Model: SKA20A-05)
| Feature | Specification |
| Output | |
| DC Voltage | 5V |
| Rated Current | 4A |
| Rated Power | 20W |
| Ripple & Noise (max.) | 50mVp-p |
| Voltage Accuracy | ±2.0% |
| Line Regulation | ±0.2% |
| Load Regulation | ±0.5% |
| Input | |
| Voltage Range | 9 ~ 18VDC |
| Efficiency (Typ.) | 88% |
| Protection | |
| Overload | 110% ~ 250% rated output power; Recovers automatically after fault condition is removed |
| Short Circuit | Hiccup mode, recovers automatically after fault condition is removed |
| Environment | |
| Working Temperature | -40 ~ +85°C (Refer to output derating curve) |
| Storage Temperature | -55 ~ +125°C |
| Safety & EMC | |
| I/O Isolation | 1500VDC |
| Isolation Resistance | I/P-O/P: 100M Ohms / 500VDC / 25°C / 70% RH |
| EMC Compliance | EN55022 class B, FCC part15 class B |
| Others | |
| Manufacturer Part Number | SKA20A-05 |
| Dimensions (L x W x H) | 50.8 x 25.4 x 11.2 mm (2" x 1" x 0.44") |
| Case Material | Six-sided shield metal case |
| Warranty | 2 Years |
Manufacturer Technical Data
| Product Spec Sheet |
 Download |
|---|
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