Datasheet

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KM Series
Features
 Small size and lightweight
 PC Board Mountable
 Wide Range Input
 Medical Safety Certifi cations (4kVAC Input - Output)
 Class II (No ground needed)
 High effi ciency
15-40W Medical AC-DC PCB-Mount Power Supplies
Model KMS15 KMD15 KMT15 KMS40 KMD40 KMT40
Input Voltage Range - 90-264VAC 47-440Hz or 100-375VDC*
Inrush Current Limiting A 10 / 20A, cold start, 25°C ambient (115 / 230VAC)
Input Current (115 / 230VAC) mA 292 / 188mA 860 / 460mA
Recommended External Fuse - 2A slow blow type 3.15A slow blow type
Temperature Coeffi cient - ±0.01%/°C
Ripple and Noise (pk-pk) mV 50mV or 1%, whichever is greater
Overcurrent Protection - > 105%, hiccup mode, automatic recovery
Overvoltage Protection % Yes, Zener diode clamp
Hold-up Time (typical) ms 20ms 18ms
Enclosure Leakage (240VAC 63Hz) mA 0.055 max 0.08 max
(264VAC 63Hz) 0.06 max 0.085 max
Operating Temperature °C -25°C to 70°C, derate linearly to 50%(1) load from 50°C to 70°C. Max case temperature 95°C
Storage Temperature °C -40°C to 100°C
Humidity %RH 20% to 95% RH (non-condensing)
Cooling - Convection, over temperature protected ~100°C case temperature
Withstand Voltage VAC Input to output: 4kVAC (Reinforced) (2 x MOPPS 3rd Edition)
Immunity - EN60601-1-2
Safety Agency Certifi cation - UL/CSA/IEC/EN 60601-1, ANSI/AAMI ES60601-1, IEC/EN60950-1, CE Mark
Conducted EMI - EN55011, EN55022 Class B EN55011, EN55022 Class A
Switching Frequency kHz 132kHz
Weight g 120 280
Size (LxWxH) in 2.52 x 1.79 x 0.92” 3.5 x 2.5 x 1.06”
Mounting & Case - PC board mountable. Plastic resin fi berglass case (UL 94V-0)
MTBF hrs 200,000 to 400,000 hours, model dependent
Warranty yrs 2 years
Specifi cations
(1) KM15 derates linearly to 40% load
Key Market Segments & Applications
*Safety certifi ed for AC input only