RECOM Power RAC20E-K/277 20W Single Output AC/DC Converters

RECOM Power RAC20E-K/277 20W Single Output AC/DC Converters are designed to meet general-purpose requirements for a wide variety of equipment for the IoT, ITE, and industrial markets. These encapsulated power supplies feature 4kV_AC isolation and over voltage category OVCIII and 100V_AC to 277V_AC nominal input voltages. At OVCII usage, the operating altitude is rated up to 5000m. For EMC compatibility in floating output configurations, EN55032 class “B” limits are met without any external components. The outputs are protected against overcurrent and short circuits, while the internal fuse provides input protection.

Features

Wide 85V_AC to 305V_AC input range
5000m operating altitude
OVCIII up to 2000m altitude
4kVAC isolation rated for 60s
EMC compliant without external components
No-load power consumption of <200mW

CM choke internal input filter
Slow blow internal input use
Short-circuit, overvoltage, and overload protection
Pollution degree 2
3-year warranty
RoHS, REACH, and ERP compliant

Applications

Internet of Things (IoT)
ITE
Industrial

Specifications

Input voltages
- 100V_AC to 277V_AC nominal at 50/60Hz
- 85V_AC to 305V_AC operating from 47Hz to 63Hz, 277V_AC typical
- 120V_DC to 430V_DC operating
Input currents
- 400mA at 115V_AC
- 300mA at 230V_AC
- 250mA at 277V_AC
Inrush currents
- 20A at 115V_AC, cold start
- 40A from 230V_AC to 277V_AC at +25°C
200mW no-load power consumption
47Hz to 63Hz input frequency range (AC input)
0% minimum load
Power factors
- 0.6 at 115V_AC
- 0.5 at 230V_AC
- 0.45 at 277V_AC
Time
- 150ms maximum start-up
- 25ms maximum rise
- 25ms minimum hold-up
  - 10ms typical at 115V_AC
  - 40ms typical at 230V_AC
  - 60ms typical at 277V_AC

120kHz typical internal operating frequency
150mVp-p output ripple and noise
5V_DC, 12V_DC, and 24V_DC nominal output voltages
833mA to 4000mA output current range
80% to 84% efficiency
±2.0% typical output accuracy
±0.5% typical line regulation
1.0% typical load regulation
3.0% or 500µs maximum transient response
4kV_AC isolation voltage
1GΩ minimum isolation resistance
100pF maximum isolation capacitance
0.25mA maximum leakage current
-40°C to +90°C operating temperature range
+95°C maximum case temperature
±0.02%/K temperature coefficient
20% to 90% maximum operating relative humidity, non-condensing
UL 94V-0 materials
- Black plastic case/baseplate
- Silicone potting
- FR4 PCB
52.7mm x 27.6mm x 23.0mm in dimension (LxWxH)

RECOM Power RAC20E-K/277 20W Single Output AC/DC Converters

Features

Applications

Specifications

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