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H HiTRON
UNIVERSAL INPUT AC-DC MEDICAL APPLICATION
INTERNAL OPEN FRAME SWITCHING POWER SUPPLIES
40-42 WATTS SINGLE OUTPUT HMI43 SERIES
FEATURES:
 ACCOMMODATE UNIVERSAL AC INPUT
 COMPACT 4”x2”x1” PCB FORMAT
 MEET MEDICAL STANDARD IEC60601-1
 EMI MEET EN 55011 / FCC CLASS B
 CE MARKING COMPLIANCE
SPECIFICATION
INPUT SPECIFICATION
OUTPUT SPECIFICATION
Input Voltage: Range typical 90-264Vac.
Output Voltage: See Ratings Chart.
Output Current: See Ratings Chart.
Output Connector: Molex connector or equivalent
Output Wattage: Typical 40-42 Watts.
Line Regulation: Typical 0.2%.
Load Regulation: Typical ±2-3%.
Noise & Ripple: Typical 1.0% peak to peak.
OVP: Built-in at main output (Latch).
Adjustability: Factory set.
Overload Protection (OLP):
Fully protected against outputs overload and short circuit.
Typical OLP set at 105-120% of rating output power.
Consult the factory for OLP setting.
Rating 100 to 240Vac.
Input Connector: Molex connector or equivalent.
Input Frequency: 47-63Hz.
Inrush Current: ≤12A rms cold start at 230Vac.
Input Current: Typical 0.7A at 115Vac, 0.35A at 230Vac.
Dielectric Withstand: Meet IEC 60601-1.
EMI: Meet EN55011 / FCC Class B.
Hold-up Time: Typical 20mS at 115Vac,
Typical 100mS at 230Vac.
Leakage Current: Less than 0.1mA at 230Vac.
GENERAL SPECIFICATION
Efficiency: Typical 85-90% (various with output voltage).
Switching Frequency: 85 KHz.
Circuit Topology: Fixed frequency flyback circuit.
Transient Response: Output voltage returns in less than
0.5mS following a 50% load change.
Safety Standard: Meet Medical standards UL 60601-1/
EN 60601-1 Class I.
Power Density: 5-5.25Watts / Cubic Inch.
Operating Temperature: 0 to +50 °C under forced air flow
for full load. Derate by 1.3W/ °C
from 40°C to 50 °C.
Storage Temperature: -20 to +85°C.
Cooling: At least 5 CFM(100LFM) direct forward air flow is
required to achieve full rating power.
Construction: 4 x2 x1 inch PCB format.
NOTE: (1) All measurements are at nominal input, full load, and +25°C unless otherwise specified.
(2) Due to requests in market and advances in technology, specifications subject to change without notification.
In application.
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OUTPUT VOLTAGE / CURRENT RATINGS CHART
SINGLE OUTPUT
MODEL NO.
MAIN OUTPUT
Typ.
Volt.
HMI43-S120350
3.50A
12.0V
HMI43-S150270
2.70A
15.0V
HMI43-S240170
1.70A
24.0V
HMI43-S480085
0.85A
48.0V
Symbol: “★” OVP built-in.
MECHANICAL DIMENSIONS: MM [INCHES]
INPUT & OUTPUT CONNECTORS PIN ASSIGNMENT
AC INPUT
ASSIGNMENT
AC-L
AC-N
AC-G
P1-L
P1-N
G
CNTR/PIN#
Mating connector: P1,2 Molex # 5195 or 5239 series.
SINGLE OUTPUT
VO1
DC COM
P2-1,2
P2-3,4
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WEIGHT: 145g (5.12 Oz.)