DC/DC Converter
URB1D_LD-20WR3 Series
2018.10.11-A/3 Page 3 of 9
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Mechanical Specifications
Horizontal package/A2S chassis mounting/A4S Din-rail
mounting
Horizontal package/A2S chassis mounting/A4S Din-rail
mounting
Electromagnetic compatibility (EMC) (EN60950)
CLASS A (without external components)/CLASS B (see Fig. 4-②for recommended circuit)
CLASS A (without external components)/CLASS B (see Fig. 4-②for recommended circuit)
±4KV (see Fig.3 or Fig.4-①for recommended circuit)
line to line ±2KV (2Ω0.5uF see Fig.3 for recommended circuit)
line to ground ±4KV (12Ω0.5uF see Fig.3 for recommended circuit)
line to line ±1KV (42Ω0.5uF see Fig.4-①for recommended circuit)
line to ground ±2KV (42Ω0.5uF see Fig.4-①for recommended circuit)
IEC/EN61000-4-6 10 Vr.m.s
Electromagnetic Compatibility (EMC) (EN50155)
EN50121-3-2 150kHz-500kHz 99dBuV
EN55016-2-1 500kHz-30MHz 93dBuV
EN50121-3-2 30MHz-230MHz 40dBuV/m at 10m
EN55016-2-1 230MHz-1GHz 47dBuV/m at 10m
EN50121-3-2 Contact ±6KV/Air ±8KV
EN50121-3-2 ±2kV 5/50ns 5kHz
EN50121-3-2 line to line ±1KV (42Ω, 0.5μF)
line to ground ±2KV (42Ω, 0.5μF)
EN50121-3-2 0.15MHz-80MHz 10V r.m.s
Note: All the tests are measured under the conditions of inputs capacitor 100uF/200V or FC-CX1D.
Typical Characteristic Curves
Without heatsink
With heatsi nk
Operating Te mperature( )
℃
Temperature Derating Curve
Output Powe r Perc entage(%)
-40 0 40 85 120
80
60
100
120
40
20
065 71
Safe O perating A rea
Operating Temperature, Except URB1D03/05LD-20W(H)R3(A2S/A4S)
Temperature De rating Curve
Sa fe Op erat ing A rea
-40 0 40 71 85
0
20
40
60
80
100
120
Operating Te mpe ratu re ( )
℃
Output Po we r Pe rce ntage(%)
65
With heatsink
40V Vi n 120V W it hou t heatsin k
≤ ≤
120V Vin 160 VWith ou t heat sin k
< ≤
URB1D03LD-20W(H)R3(A2S/A4S) Operating Temperature