Communications Products
NKA 161205 – 12V / 0.5A SMPS Adapter
Ultra-Compact 12V Adapter for Low-Power Applications
The NKA 161205 is a single-output 12V / 0.5A switching mode power supply designed to operate reliably across an extended 90–300 V AC input range. Ideal for low-power electronic devices and small telecom equipment, it offers natural convection cooling, robust built-in protections, and a wall-mountable design—making it both efficient and easy to install.
Key Specifications
Nominal Voltage: 230 Vac
Voltage Range: 90–300 Vac
Max Input Current: 0.6 A
Frequency: 50 Hz (48–52 Hz)
Inrush Current: ~12 A (cold start)
Voltage: 12 V ±5% (Range: 11.4–12.6 V)
Current: 0.5 A
Ripple & Noise: Max 75 mV / Max 2 mV
Output Power: ~6 W
Rise Time: ~8 ms, Hold-Up Time: ~30 ms
Overload: Up to 1.0 A (fold-back recovery)
Short Circuit: Hiccup mode with auto-recovery
Over Temperature: Shuts down until safe to resume
Over Voltage: 13.8 V DC (latch type)
Efficiency: ~80% at full load
Isolation: 1.5 kVac (line & neutral to earth), 3 mA leakage current
Operating Temp: 0–50 °C
Storage Temp: 0–70 °C
Humidity: 5–95% RH (non-condensing)
Form Factor: 2/3 Pin Wall Mountable, optional DC cable
Dimensions: Varies (approx. 75 × 52 × 34 mm)
DC Jack: 2.1/5.5 barrel or Micro USB (optional)
Product Highlights & Benefits
Compact & Reliable:Small footprint with stable 12V output and thorough protections.
Wide Input Range: Consistent performance from 90–300 V AC, suitable for diverse regions.
Energy-Efficient SMPS: High-frequency switching ensures minimized heat and reduced losses.
User-Friendly Installation: Wall-mount design and optional DC cable for flexible deployment.
Detailed Features / Technical Details
High-frequency switching reduces size and improves power density.
Steady 12V output for low-power devices, from LED indicators to small IoT modules.
Fold-Back Overload: Maintains safety when current draw exceeds 0.5A + overhead.
Short Circuit: Automatically recovers after fault removal.
Thermal Shutdown: Prevents damage in high-temperature conditions.
Operating Temp of 0–50 °C, ensuring stable function in typical indoor settings.
Non-condensing humidity tolerance (5–95% RH).
Complies with EMI/EMC standards (CISPR22 / IEC61000)
NSafety: Designed to meet IEC 60950 or similar
Low-power telecom or networking modules at 12V
Miniature LED signage, small controllers, or meter reading devices
Basic motorized or sensor-based solutions under 0.5A load