DC/DC Converter
WRA_P- 3WR2 & WRB_P- 3WR2 Series
3W,wide input isolated & regulated single/dual output
DC-DC converter
FEATURES
Wide input voltage range (2:1)
High efficiency up to 86%
Isolation voltage 1.5KVDC
Output short circuit protection (self-recovery)
Operating temperature range:-40℃ ~ +85℃
Meet CISPR22/EN55022 CLASS A
EN60950 approval
Patent Protection RoHS
The WRA_P-3WR2 & WRB_P-3WR2 series are isolated 3W DC-DC products with 2:1 input voltage and conventional voltage output. The
product has a relatively compact DIP package, and features high efficiency, operating temperature of -40℃~+85 ℃, remote control, and
continuous short-circuit protection. The smaller size and fine cost design make the converter an ideal solution in communication,
instruments, and industrial electronics applications.
Selection Guide
Input Voltage (VDC)
Output
Efficiency (%,
Min./Typ.)
@ Full Load
74/76
Max. Capacitive
Certification
Part No.
Nominal
(Range)
Output Voltage Output Current (mA)
①
Max.
②
Load (µF)
(Max./Min.)
±300/±15
±125/±6
±100/±5
600/30
(VDC)
±5
±12
±15
5
WRA0505P-3WR2
WRA0512P-3WR2
WRA0515P-3WR2
WRB0505P-3WR2
WRB0512P-3WR2
WRB0515P-3WR2
WRA1205P-3WR2
WRA1209P-3WR2
WRA1212P-3WR2
WRA1215P-3WR2
WRB1203P-3WR2
WRB1205P-3WR2
WRB1212P-3WR2
WRB1215P-3WR2
WRB1224P-3WR2
WRA2405P-3WR2
WRA2412P-3WR2
WRA2415P-3WR2
WRB2403P-3WR2
WRB2405P-3WR2
WRB2409P-3WR2
WRB2412P-3WR2
WRB2415P-3WR2
WRB2424P-3WR2
WRA4805P-3WR2
WRA4812P-3WR2
WRA4815P-3WR2
WRB4803P-3WR2
WRB4805P-3WR2
WRB4812P-3WR2
WRB4815P-3WR2
2200
1800
1000
4700
2700
2200
2200
2000
1800
1000
4700
4700
2700
2200
1800
2200
1800
1000
4700
4700
2700
2700
2200
1800
2200
1800
1000
4700
4700
2700
2200
76/78
76/78
72/74
75/77
75/77
79/81
82/84
82/84
83/85
72/74
79/81
81/83
80/82
81/83
80/82
82/84
82/84
76/78
79/81
79/81
84/86
84/86
83/85
80/82
82/84
83/85
74/76
80/82
84/86
84/86
5
11
(4.5-9)
12
250/12
15
200/10
±5
±9
±12
±15
3.3
5
±300/±15
±166/±8
±125/±6
±100/±5
909/46
12
(9-18)
20
600/30
12
250/12
15
200/10
24
125/6
CE
±5
±12
±15
3.3
5
±300/±15
±125/±6
±100/±5
909/46
24
(18-36)
40
600/30
9
333/16
12
250/12
15
200/10
24
125/6
±5
±12
±15
3.3
5
±300/±15
±125/±6
±100/±5
909/46
48
(36-75)
80
600/30
12
250/12
15
200/10
Notes:
①Exceeding the maximum input voltage may cause permanent damage;
②For the dual output modules, the capacitive loads of positive and negative outputs are the same.
2016.01.18-B/2
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