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FWB 100 Series

The FWB 100 series is an external switch mode power supply that offers leading edge converter efficiencies averaging 87.9% at 230VAC and a power density of 4.2W/in³. This high efficiency device has a compact size, lower internal power dissipation, and enhanced reliability. The FWB 100 offers full rated continuous and peak power available at all output voltages and over the entire input voltage and frequency range. Designing in a FWB 100 ensures a highly efficient, highly reliable power solution that reduces operating cost and ensures silent, maintenance free operation.
RoHS Complaint
ICCNexergy FWB 100 Series

  • High Efficiency
  • High Power Density 4.2W/in³
  • Lifetime Expectation > 5 years
  • Hold-up Time > 48ms at full load
  • Energy Star Level V
  • EISA Compliant
  • CEC Compliant

Input Voltage 85 - 264VAC
100 - 240VAC Nominal
Input Frequency 47 - 63Hz
Input Current <1.5A rms
Inrush Current <37A at 230VAC cold start
Power Factor >0.97
Zero Load
Power Consumption
Touch Current/
Leakage Current
<150µA @ 132VAC @ 60Hz
<250µA @ 264VAC @ 60Hz
Output Voltage See table
Total Regulation +/-5%
Minimum Load No minimum load required
Start-Up Delay <1s
Hold-Up Time >48ms at any input voltage
Ripple & Noise <1% pk-pk**
Over Voltage Protection 110-135%
Over Temperature Protection Active - Recoverable; plus
Passive - Non Recoverable
Over Current Protection 120 - 180%
Short Circuit Protection Shutdown, auto-start
(hiccup mode)
**Ripple and noise measured with 20MHz bandwidth; 10µF tantalum capacitor in parallel with a 0.1µF ceramic capacitor.
Digi-Key Part Number Manufacturer P/N Output Voltage Output Current Peak Current² Total Regulation³
EPS384-ND FWB100012A-12B 12.0V 8.3A 10.0A ±5%
EPS435-ND FWB100018A-11B 18.0V 5.5A 6.7A ±5%
1) All models ship standard with US version input cable.
2) Maximum peak load (120W) lasting 500ms with a maximum 10% duty cycle.
3) Includes initial setting, line regulation, load regulation, and thermal drift.