TECHNICAL DATASHEET
MDS Medical AC-DC Open Frame
18Volt, 40Watt / MDS-040APS18 B
040APS18 B
Highlights & Features
Safety Approvals to IEC 60601-1 3.1rd ed. & IEC 60950-1
Compliant with IEC 60601-1-2 4th Ed. Requirements
Low touch current (<0.1mA Normal & ,0.3mA single fault)
Over-Voltage/Load/Temperature & Short Circuit protections
3 Million Hours MTBF
2 x MOPP (means of patient protection)
3 years warranty
Safety Standards
CB Certified for worldwide use
Model Number:
MDS-040APS18 B
Unit Weight:
80grams
(2.88
ounces)
Dimensions (W x L x H):
50.8
x 76.2 x 23 mm
(2 x 3 x 0.91 inch)
General Description
The MDS series of embedded power supply come with universal AC input at 90Vac to 264Vac. Other features include low touch
current, risk management report available and the electric shock protection comply with 2 x MOPP. The MDS series is certified for
EMC standards according to EN 55011 for industrial, scientific and medical (ISM) radio-frequency equipment and EN 55022 for
Industrial Technology Equipment (ITE) radio-frequency equipment. In addition, only recognized Japanese capacitors are used.
The MDS series of embedded power supply come with both medical and ITE safety approvals including UL/cUL/CQC/CE and CB
certification and are fully compliant with RoHS Directive 2011/65/EU for environmental protection.
Model Information
Medical AC-DC Open Frame
Model Number
MDS-040APS18 B
Input Voltage Range
90-264Vac
Output Voltage
18Vdc
Output Current
2.22A
Model Numbering
MDS
Delta Medical
power Supply
-
040 → 40W
040
Max wattage in the product series.
Maybe lower at some voltage.
APS
Family Code
18
Output Voltage
Single Output:
18 for 18V
B
1
All parameters are specified at 25°C ambient unless otherwise noted.
www.DeltaPSU.com (October 2017, Rev. 03)
TECHNICAL DATASHEET
MDS Medical AC-DC Open Frame
18Volt, 40Watt / MDS-040APS18 B
Specifications
Input Ratings / Characteristics
Nominal Input Voltage
Input Voltage Range
Nominal Input Frequency
Input Frequency Range
Input Current (max.)
Efficiency (typ.)
Standby Power (max.)
Inrush Current (typ.)
Touch Current (max.)
1) NC: normal condition
2) SFC: single fault condition
100-240Vac
90-264Vac
50-60Hz
47-63Hz
0.85A @ 115Vac,0.45A@230Vac
86.9%, Reference Fig.1
0.3W
30A @ 115Vac, 60A @ 230Vac
0.1mA @ 264Vac NC , 0.3mA @ 264Vac SFC
1)
2)
Fig.1 Efficiency versus output load
Output Ratings / Characteristics
Nominal Output Voltage
Total regulation
Output Current
Output Power
Line Regulation (max)
Load Regulation (max)
Ripple & Noise (typ.)
Start-up Time (max)
Hold-up Time (min)
Dynamic Response (Overshoot & Undershoot O/P Voltage)
18Vdc
± 1.5%
2.22A
40W
±0.5%
±1%
14.8mV pk-pk @ Full load, Reference Fig. 2,
3000ms @ 115Vac
15ms @ 115Vac
± 3% @ 50-100% load
2
All parameters are specified at 25°C ambient unless otherwise noted.
www.DeltaPSU.com (October 2017, Rev. 03)
TECHNICAL DATASHEET
MDS Medical AC-DC Open Frame
18Volt, 40Watt / MDS-040APS18 B
(a) 115V
Fig. 2 Ripple & Noise example, 20MHz BW
(b) 230V
PSU
Load
5cm
0.47uF Ceramic
10uF Electrolytic
Test Fixture
Scope
Fig. 3 Ripple & Noise measurement circuit
Mechanical
Dimensions(W x L x H)
Weight (typ.)
Input
Terminal
Output
50.8
x 76.2 x 23
mm (2
x 3 x 0.91
inch)
80grams (2.88ounces)
JST 2P Connector: B2P3-VH(LF)(SN)
JST 4P Connector: B4P-VH(LF)(SN)
Environment
Operating
Surrounding Air Temperature
Power De-rating
Operating Humidity
Operating Altitude
Shock Test (Non-Operating)
Vibration (Operating)
Storage
-10°C to +70°C
-40°C to +85°C
-10°C to +50°C 100% load
50°C to 70°C de-rate power by 2.5% / °C, See Fig. 3
10-95% RH (Non-Condensing)
3,000 meters (9842.52 feet)
50G, 11ms, 3 shocks for each direction
5-500Hz, 2.09Grms, 20 minute for each three axis
3
All parameters are specified at 25°C ambient unless otherwise noted.
www.DeltaPSU.com (October 2017, Rev. 03)
TECHNICAL DATASHEET
MDS Medical AC-DC Open Frame
18Volt, 40Watt / MDS-040APS18 B
Protections
Overvoltage (max)
Over load / Over current (max)
Over Temperature
Short Circuit
Protection Against Shock
*PE: Protective Earth
150%, Latch Mode
150%~210% of rated load current, Hiccup Mode,
(Non-Latching, Auto-Recovery)
Hiccup Mode,
(Non-Latching, Auto-Recovery)
Hiccup Mode,
(Non-Latching, Auto-Recovery)
Class I with PE* connection
Reliability Data
MTBF (typ.)
3 Million Hours
based on Telecordia SR-332
Safety Standards / Directives
Medical Safety
IEC60601-1 3 and 3.1 edition CB report
IEC60601-1 edition 3.1rd (2012), EN60601-1 (2006) +
A11 + A1 + A12, CAN/CSA-C22.2 NO. 60601-1:14,
ANSI/AAMI ES60601-1:2005/(R)2012
IEC60950-1 (Ed.2,2005), GB4943.1-2011, GB9254-
2008, GB17625.1-2003
MDD Directive 93/42/EEC
RoHS Directive 2011/65/EU Compliant
Input to Output
Input to Ground
Output to Ground
4000 Vac
1500 Vac
500 Vac
rd
rd
ITE Safety
CE
Material and Parts
Galvanic Isolation
4
All parameters are specified at 25°C ambient unless otherwise noted.
www.DeltaPSU.com (October 2017, Rev. 03)
TECHNICAL DATASHEET
MDS Medical AC-DC Open Frame
18Volt, 40Watt / MDS-040APS18 B
EMC (Compliant with IEC 60601-1-2 4th Ed. Requirements)
EMC / Emissions
Harmonic Current Emissions
Voltage Flicker
Immunity to
Electrostatic Discharge
IEC61000-4-2
Level 4 Criteria A
Air Discharge: 15kV
Contact Discharge: 8kV
Criteria A
80MHz-2700MHz, 10V/m AM modulation
385MHz-5785MHz, 28V/m Pulse mode and other
modulation
1)
Level 3 Criteria A :2kV
Level 3 Criteria A
3)
Common Mode : 2kV
4)
Differential Mode : 1kV
Level 2 Criteria A
150kHz-80MHz, 3Vrms,
6Vrms at ISM bands and
Amateur radio bands
1)
1)
1)
1)
EN55011/EN55022,FCC Title 47:Class B
IEC61000-3-2
IEC61000-3-3
Radiated Field
IEC61000-4-3
Electrical Fast Transient / Burst
Surge
IEC61000-4-4
IEC61000-4-5
Conducted
IEC61000-4-6
Power Frequency Magnetic Fields
Voltage Dips
IEC61000-4-8
IEC61000-4-11
Criteria A
Magnetic field strength 30A/m
Criteria A
0% U
T
, 0.5 cycle (10ms)
o
o
o
o
o
o
o
o
o
, 0 /45 /90 /135 /180 /225 /270 /315 /360
Criteria B
o
0% U
T
, 1 cycle (20ms), 0
Criteria A
o
70% U
T
, 25 cycle (500ms), 0
Criteria B
o
0% U
T
, 250 cycle (5000ms), 0
2)
1)
2)
1)
1)
1) Criteria A: Normal performance within the specification limits
2) Criteria B: Output out of regulation, or shuts down during test. Automatically restore to normal operation after test.
3) Asymmetrical: Common mode (Line to earth)
4) Symmetrical: Differential mode (Line to line)
5
All parameters are specified at 25°C ambient unless otherwise noted.
www.DeltaPSU.com (October 2017, Rev. 03)
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