FEATURES
WRA_S - 1WR2 & WRB_S-1WR2 Series
1W,WIDE INPUT, ISOLATED & REGULATED
DUAL/SINGLE OUTPUT DC-DC CONVERTER
● Miniature SIP Package
● 2:1 wide input voltage range
● Temperature range: -40°C ~ +85°C
● 1.5KVDC isolation
● Short Circuit Protection(automatic recovery)
● Remote On/Off
APPLICATION
The WRA_S-1WR2
& WRB_S-1WR2 Series are specially
designed for applications where a wide range input voltage
power supplies are isolated from the input power supply in a
distributed power supply system on a circuit board. For these
DC-DC converters, you can reduce the failure points of design,
and save the manpower, material and time cost in developing
micro power supply, and also ensure better quality, stability,
safety protection, and reliability for the end products.
These products apply to where:
1) Input voltage range ≤2:1;
2) Input and output isolation ≤1.5KVDC;
3) Regulated and low ripple noise is required.
Such as: industrial control, tele-communications etc.
Patent Protected RoHS
PART NUMBER SYSTEM
WRB2405S-1WR2
Rated power
Package
Output voltage
Input voltage
Product series
SELECTION GUIDE
Input Voltage(VDC)
Output Current (mA) Input Current (mA)(Typ.)
Reflected
Ripple
Current
Efficiency
(%, Typ.)
@Max.
Load
Max.
Output
Voltage
(VDC)
@Max.
@No
Load
Capacitive
Model
Nominal
①
②
Load (µF)
Max.
Min.
Max.
(Range)
Load
274
263
267
278
263
267
107
103
104
112
108
106
104
104
52
(mA, Typ.)
WRA0505S-1WR2
WRA0512S-1WR2
WRA0515S-1WR2
WRB0505S-1WR2
WRB0512S-1WR2
WRB0515S-1WR2
WRA1205S-1WR2
WRA1212S-1WR2
WRA1215S-1WR2
WRB1203S-1WR2
WRB1205S-1WR2
WRB1209S-1WR2
WRB1212S-1WR2
WRB1215S-1WR2
WRA2405S-1WR2
WRA2412S-1WR2
WRA2415S-1WR2
WRB2403S-1WR2
WRB2405S-1WR2
WRB2412S-1WR2
WRB2415S-1WR2
WRB2424S-1WR2
WRA4805S-1WR2
WRA4812S-1WR2
WRA4815S-1WR2
WRB4803S-1WR2
WRB4805S-1WR2
±5
±12
±15
5
±100
±42
±33
200
83
±5
±2
±2
10
4
1000
470
73
76
75
72
76
75
78
81
80
75
77
79
80
80
80
80
80
75
77
81
79
77
76
80
80
75
76
330
5
11
25
30
(4.5-9)
2200
1000
680
12
15
67
3
±5
±100
±42
±33
303
200
111
83
±5
±2
±2
15
10
6
1000
470
±12
±15
3.3
5
330
2700
2200
1800
1000
680
12
20
12
40
(9-18)
9
12
4
15
67
3
±5
±100
±42
±33
303
200
83
±5
±2
±2
15
10
4
1000
470
±12
±15
3.3
5
52
52
330
56
2700
2200
1000
680
24
40
6
55
(18-36)
54
12
51
15
67
3
53
24
42
2
54
470
±5
±100
±42
±33
303
200
±5
±2
±2
15
10
27
1000
470
±12
±15
3.3
5
26
48
(36-75)
26
330
80
4
70
28
2700
2200
27
The copyright and authority for the interpretation of the products are reserved by MORNSUN
WRA_S-1WR2 & WRB_S-1WR2
2013.07.25-A/3
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