Datasheet
KWS-A Series
2
Specications
Specications
Model KWS5A KWS10A KWS15A KWS25A
Input
AC Input Voltage Range Vac 85 - 265. Derate to 80% load from 100 to 85 input (KWS5A 90% load from 90 to 85)
Input Frequency Hz 47 - 440
(1)
DC Input Voltage Range Vdc 120 - 370
(1)
Input Current (115/230Vac) A 0.13 / 0.07 0.25 / 0.13 0.33 / 0.24 0.56 / 0.34
Inrush Current at 200Vac (typ) (Cold Start) A 30
Leakage Current (264Vac) uA <250
Harmonic Compliance - Designed to meet IEC61000-3-2
No Load Power Consumption W <0.5. See evaluation data on website for measured results
Hold Up Time (typ) at 115 / 230Vac Input
(2)
ms 15 / 45 10 / 30
Efciency - See model selector table
Conducted & Radiated EMI - EN55011/EN55032-A, FCC-A, VCCI-A. (External components are required for B, consult Evaluation Data)
Immunity - IEC61000-4-2, -3, -4, -5, -6, -8, -11; IEC61000-6-2 (See immunity table below and immunity reports on website)
Insulation Class - Class II
Safety Certications and Markings - IEC/UL/CSA/EN62368-1, 60950-1, CE Mark and UKCA Mark
Model KWS5A KWS10A KWS15A KWS25A
Output
Output Voltage Tolerance % ±5
Output Voltage Adjustment - None
Switching Frequency (Fixed) kHz 130
Line Regulation - See model selector table
Load Regulation - See model selector table
External Load Capacitance uF 5V: 2000, 12/15: 820, 24V: 330 5V: 2000, 12/15: 1000, 24V: 390 5V: 2000, 12/15: 1000, 24V: 560 5V: 4700, 12/15: 2200, 24V: 1500
Ripple & Noise - See model selector table
Temperature Coefcient %/°C 0.02
Minimum Load - No minimum load required
Overcurrent Protection % >105. Hiccup with auto recovery
Overvoltage Protection V 5V: 5.75 - 7, 12V: 13.8 - 18.3, 15V: 17.25 - 22.4, 24V: 27.6 - 34.0
Parallel Operation - Not possible
Test Standard Test Level Criteria Notes
ESD EN61000-4-2 Air ±8kV and contact ±4kV B
80M -1GHz: 10V/m
Radiated Susceptibility EN61000-4-3 1.4 - 2.0GHz: 3V/m A
2.0 - 2.7GHz: 1V/m
Electrical Fast Transient Burst EN61000-4-4 ± 2kV B
Surge EN61000-4-5 Normal Mode ± 1kV B See immunity reports on website for more details
Conducted Susceptibility EN61000-4-6 10Vrms A
Magnetic elds EN61000-4-8 30A/m A
30% 500ms
Voltage Dips
EN61000-4-11
60% 10ms
B
and Input Interruptions 100% 20ms
100% 5000ms
Immunity