WRA-ZHD-3W&WRB-ZHD-3W
3W, WIDE INPUT, ISOLATED & REGULATED DUAL/SINGLE OUTPUT DC-DC CONVERTER
SELECTION GUIDE
Output
Voltage
(V)
Output
Current
Max
Input
Isolation
(VDC)
Efficiency
(%)
Model
Capacitive
Load(uF)
Voltage (V)
max (mA)
WRB2403ZHD-3W
WRB2405ZHD-3W
WRB2407ZHD-3W
WRB2409ZHD-3W
WRB2412ZHD-3W
WRB2415ZHD-3W
WRB2418ZHD-3W
WRB2424ZHD-3W
WRB4803ZHD-3W
WRB4805ZHD-3W
WRB4807ZHD-3W
WRB4809ZHD-3W
WRB4812ZHD-3W
WRB4815ZHD-3W
WRB4818ZHD-3W
WRB4824ZHD-3W
WRA2403ZHD-3W
WRA2405ZHD-3W
WRA2407ZHD-3W
WRA2409ZHD-3W
WRA2412ZHD-3W
WRA2415ZHD-3W
WRA2418ZHD-3W
WRA2424ZHD-3W
WRA4803ZHD-3W
WRA4805ZHD-3W
WRA4807ZHD-3W
WRA4809ZHD-3W
WRA4812ZHD-3W
WRA4815ZHD-3W
WRA4818ZHD-3W
WRA4824ZHD-3W
9-36
9-36
3.3
5
700
600
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
500
340
75
81
78
82
83
83
83
82
75
81
81
82
82
85
83
83
80
82
80
82
84
80
80
81
79
82
81
81
83
81
81
81
9-36
7.2
415
340
FEATURES
◆RoHS compliant
9-36
9
330
165
9-36
12
250
50
◆24 Pin DIP Package
9-36
15
200
50
9-36
18
165
50
◆Wide 4:1 input range
9-36
24
125
34
◆High efficiency up to 85%
◆Operating temperature -40℃to + 85℃
◆Input/output isolation 1500VDC
◆Pin compatible with multiple manufacturers
◆Continuous short circuit protection
◆No heat sink required
18-72
18-72
18-72
18-72
18-72
18-72
18-72
18-72
9-36
3.3
700
500
5
600
340
7.2
415
340
9
330
165
12
250
50
15
200
50
18
165
50
24
125
34
±3.3
±5
±7.2
±9
±12
±15
±18
±24
±3.3
±5
±7.2
±9
±12
±15
±18
±24
±350
±300
±205
±165
±125
±100
±80
±62
±350
±300
±205
±165
±125
±100
±80
±62
±235
±165
±165
±50
±34
±34
±34
±11
±235
±165
±165
±50
±34
±34
±34
±11
◆Industry standard pinout
◆MTBF<1,000,000 hours
9-36
9-36
9-36
9-36
9-36
MODEL SELECTION
①
②
③
④
⑤
⑥
9-36
WRA 24 15 Z HD -3W(100)
9-36
①Product Series ②Input Voltage
18-72
18-72
18-72
18-72
18-72
18-72
18-72
18-72
③Output Voltage ④4:1Wide Input Volage Range
⑤Symmetric pin layout DIP24 Package Style
⑥Rated Power(Output current)
APPLICATIONS
The WRA-ZHD-3W&WRB-ZHD-3W series
offer 6 watts of output power from a package in
an IC compatible 24 pin DIP configuration
without derating to 71ºC ambient temperature.
WRA-ZHD-3W&WRB-ZHD-3W series have 4:1
wide input voltage of 9-36 and 18-72VDC.
Parameters
Model
CE
MICRODC RESERVES THE COPYRIGHT
EN55022 Class A, EN55024
IEC61000-4-2, Perf. Criteria B
IEC61000-4-3, Perf. Criteria A
IEC61000-4-4, Perf. Criteria B (external 220uF/100V cap required)
IEC61000-4-5, Perf. Criteria B (external 220uF/100V cap required)
IEC61000-4-6, Perf. Criteria A
Standards
IEC61000-4-8, Perf. Criteria A
NOTE: Also designed to meet IEC60950-1:2001
http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
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