WRA-ZD-3W&WRB-ZD-3W Series
3W, WIDE INPUT, ISOLATED & REGULATED DUAL/SINGLE OUTPUT DC-DC CONVERTER
SELECTION GUIDE
Input
Output
Current(mA)
Efficiency
(%.Typ.)
Voltage
(VDC)
Order code
Voltage(VDC)
No-load
FEATURES
(mA)(typ)
Nominal
24
Range
9-36
Max*
40
Max.
Min.
◆Wide (4:1) Input Range
±300
WRA2405ZD-3W
16
±5
±30
76
◆Short Circuit Protection(automatic recovery)
◆1500VDC Isolation
WRA2412ZD-3W
WRA2415ZD-3W
WRB2403ZD-900
WRB2403ZD-3W
WRB2405ZD-3W
WRB2412ZD-3W
WRB2415ZD-3W
WRA4805ZD-3W
WRA4812ZD-3W
WRA4815ZD-3W
WRB4803ZD-3W
WRB4805ZD-3W
WRB4812ZD-3W
WRB4815ZD-3W
24
24
24
24
24
24
24
48
48
48
48
48
48
48
9-36
9-36
40
40
40
40
40
40
40
80
80
80
80
80
80
80
16
16
16
16
16
16
16
8
±12
±15
3.3
3.3
5
±125
±100
900
±12
±10
90
81
83
76
74
76
81
81
85
83
85
74
78
80
80
◆Operating Temperature: -40℃~﹢85℃
◆Five sided metal shielding
◆No external component required
◆Internal SMD construction
◆RoHS Compliance
9-36
9-36
909
91
9-36
600
60
9-36
12
250
25
9-36
15
200
20
18-72
18-72
18-72
18-72
18-72
18-72
18-72
±5
±12
±15
3.3
5
±300
±125
±100
909
±30
±12
±10
91
◆MTBF>1000Khours
8
MODEL SELECTION
8
①
②
③
④
⑤
⑥
WRB 24 12 Z D -3W(250)
8
①Product Series ②Input Voltage
③Output Voltage ④Wide (4:1) Input Range
⑤DIP Package Style
8
600
60
8
12
250
25
⑥Rated Power(Output current)
8
15
200
20
*Input voltage can’t exceed this value,or will cause the permanent damage.
APPLICATIONS
The WRA_ZD-3W&WRB_ZD-3W 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.These products apply to:
COMMON SPECIFICATIONS
1)Where the voltage of the input power
supply is wide range(Voltage range≤4:1);
2)Where isolation is necessary between
input and output(Isolation voltage≤1500VDC);
3)Where the regulation of the Output voltage
and the output ripple noise are demanded.
Parameter
Conditions
Min. Typ. Max. Units
Storage humidity
Operating temperature
Storage temperature
Temp. rise at full load
Lead temperature
Cooling
95
85
%
℃
℃
℃
℃
-40
-55
125
15
1.5mm from case for 10 seconds
300
Free Air Convection
Continuous,automatic recovery
Steel,nickel plated, plastic
Short circuit protection
Case material
MICRODC RESERVES THE COPYRIGHT
Tested for1 minute and 1mA max
Test at 500VDC
Isolation voltage
Isolation resistance
Isolation Capacitance
MTBF
1500
1000
VDC
MΩ
1000
15
pF
1000
K hours
g
Weight
http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
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