over-voltage, over-current, short circuit protection
Meet CISPR22/EN55022 CLASS A
International standard pin-out
A2S (wring mounting) and A4S (35mm rail
mounting)
products
featuring
anti-reverse
connection for input
Patent Protection
RoHS
URA_YMD-6WR3 & URB_YMD-6WR3 series products are of 6W output power, extremely wide range of voltage input of 9-36VDC, 18-75VDC,
isolation voltage of 1500VDC, output over-voltage protection and output short circuit protection with the bare component in compliance
with CISPR22/EN55022 CLASS A; these products are widely used in fields such as Medical care, industrial control, electric power, instruments
and communication.
Selection Guide
Part No.
①
Input Voltage (VDC)
Nominal
(Range)
Max.
②
Output
Output Voltage
(VDC)
±5
±12
±15
±24
3.3
5
9
12
15
24
±5
±12
±15
±24
Output Current (mA)
(Max./Min.)
±600/±30
±250/±12
±200/±10
±125/±6
1500/75
1200/60
667/33
500/25
400/20
250/13
±600/±30
±250/±12
±200/±10
±125/±6
1500/75
1200/60
500/25
400/20
250/13
Efficiency
③
(%,Min./Typ.)
@ Full Load
81/83
85/87
86/88
86/88
77/79
81/83
83/85
85/87
86/88
86/88
81/83
85/87
86/88
86/88
77/79
81/83
85/87
86/88
86/88
Max. Capacitive
④
Load (μF)
470
100
100
100
1800
1000
680
470
220
100
470
100
100
100
1800
1000
470
220
100
URA2405YMD-6WR3
URA2412YMD-6WR3
URA2415YMD-6WR3
URA2424YMD-6WR3
URB2403YMD-6WR3
URB2405YMD-6WR3
URB2409YMD-6WR3
URB2412YMD-6WR3
URB2415YMD-6WR3
URB2424YMD-6WR3
URA4805YMD-6WR3
URA4812YMD-6WR3
URA4815YMD-6WR3
URA4824YMD-6WR3
URB4803YMD-6WR3
URB4805YMD-6WR3
URB4812YMD-6WR3
URB4815YMD-6WR3
URB4824YMD-6WR3
48
(18-75)
80
24
(9-36)
40
3.3
5
12
15
24
Notes：
1
Part No. with suffix of “A2S” means chassis mounting and suffix of “A4S” means DIN-Rail mounting (e.g. URB2405YMD-6WR3A2S means chassis mounting;
URB2405YMD-6WR3A4S means DIN-Rail mounting);
2
Absolute maximum rating without damage on the converter, but it isn't recommended;
3
Efficiency is measured In nominal input voltage and rated output load;A2S (wiring) and A4S (rail) Model due to input reverse polarity protection, minimum
efficiency greater than Min.-2 is qualified.
4
The capacitive loads of positive and negative outputs are identical.
Input Specifications
Item
Operating Conditions
Min.
Typ.
Max.
Unit
2014.07.17-A/0
Page 1 of 6
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
DC/DC Power Supply Module
URA_YMD-6WR3 & URB_YMD-6WR3 Series
Input Current (full load / no-load)
Reflected Ripple Current
Input impulse Voltage (1sec. max.)
Starting Voltage
under-voltage turn-off
Input Filter
24VDC input
48VDC input
24VDC input
48VDC input
24VDC input
48VDC input
24VDC input
48VDC input
24VDC input
48VDC input
--
--
--
--
-0.7
-0.7
--
--
5.5
14.0
316/5
160/4
20
20
--
--
--
--
6.5
15.5
Pi filter
--
--
--
--
50
100
9
18
--
--
VDC
mA
Output Specifications
Item
Output Voltage Accuracy
Balance of Output Voltage
Line Voltage Regulation
Load Regulation
Cross Regulation
Transient Recovery Time
Transient Response Deviation
Temperature Drift Coefficient
Ripple & Noise*
Output Over-voltage Protection
Output Over-current Protection
Output Short circuit Protection
Input voltage range
25% load step change
Full load
20MHz bandwidth
3.3V, 5V, ±5V output
Others
Dual output, balanced load
Full load, the input voltage is from low voltage to
high voltage
5%-100% load
Dual output, main circuit with 50% load,
auxiliary circuit with 10%-100% load
Operating Conditions
Min.
--
--
--
--
--
--
--
--
--
--
110
110
Typ.
±1
±0.5
±0.2
±0.5
--
300
±5
±3
--
60
--
140
Max.
±3
±1.5
±0.5
±1
±5
500
±8
±5
±0.03
85
160
190
Unit
%
μs
%
%/
℃
mV p-p
%Vo
%Io
Continuous, self-recovery
Note:*Parallel line test method is adopted to test ripple and noise, please see
DC-DC Converter Application Notes
for specific operation methods.
General Specifications
Item
Insulation Voltage
Insulation Resistance
Isolation Capacitance
Operating Temperature
Storage Humidity
Storage Temperature
Max. Operating Temperature
for Casing
Lead Temperature
Vibration
Switching Frequency *
MTBF
PWM mode
MIL-HDBK-217F@25℃
--
1000
Within the operating temperature curve
Welding spot is 1.5mm away from the casing, 10
seconds
Operating Conditions
Input-output, with the test time of 1 minute and the
leak current lower than 1mA
Input-output, insulation voltage 500VDC
Input-output, 100KHz/0.1V
Derating if the temperature is
≥71
℃
(see Fig. 1)
Without condensation
Min.
1500
1000
--
-40
5
-55
--
--
Typ.
--
--
1000
--
--
--
--
--
Max.
--
--
--
85
95
125
105
300
℃
Unit
VDC
MΩ
pF
℃
%
10-55Hz, 10G, 30 Min. along X, Y and Z
300
--
--
--
KHz
K hours
Note:* This series of products using reduced frequency technology, the switching frequency is test value of full load,When the load is reduced to below 50%, the
switching frequency decreases with decreasing load.
Physical Specifications
Casing Material
Aluminum alloy
2014.07.17-A/0
Page 2 of 6
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
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