WRA-ZHD-3W&WRB-ZHD-3W
3W, WIDE INPUT, ISOLATED & REGULATED DUAL/SINGLE OUTPUT DC-DC CONVERTER
SELECTION GUIDE
Model
Input
Voltage (V)
9-36
9-36
9-36
9-36
9-36
9-36
9-36
9-36
18-72
18-72
18-72
18-72
18-72
18-72
18-72
18-72
9-36
9-36
9-36
9-36
9-36
9-36
9-36
9-36
18-72
18-72
18-72
18-72
18-72
18-72
18-72
18-72
Output
Voltage
(V)
3.3
5
7.2
9
12
15
18
24
3.3
5
7.2
9
12
15
18
24
±3.3
±5
±7.2
±9
±12
±15
±18
±24
±3.3
±5
±7.2
±9
±12
±15
±18
±24
Output
Current
max (mA)
700
600
415
330
250
200
165
125
700
600
415
330
250
200
165
125
±350
±300
±205
±165
±125
±100
±80
±62
±350
±300
±205
±165
±125
±100
±80
±62
Isolation
(VDC)
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
Max
Capacitive
Load(uF)
500
340
340
165
50
50
50
34
500
340
340
165
50
50
50
34
±235
±165
±165
±50
±34
±34
±34
±11
±235
±165
±165
±50
±34
±34
±34
±11
Efficiency
(%)
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
WRB2403ZHD-3W
FEATURES
◆
◆
◆
◆
◆
◆
◆
◆
◆
◆
WRB2405ZHD-3W
WRB2407ZHD-3W
WRB2409ZHD-3W
WRB2412ZHD-3W
RoHS compliant
24 Pin DIP Package
Wide 4:1 input range
High efficiency up to 85%
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
Operating temperature -40℃ to + 85℃
Input/output isolation 1500VDC
Pin compatible with multiple manufacturers
Continuous short circuit protection
No heat sink required
Industry standard pinout
MTBF<1,000,000 hours
◆
MODEL SELECTION
WRA 24 15 Z HD -3W(100)
①
②
③
④
⑤
⑥
WRA2415ZHD-3W
WRA2418ZHD-3W
WRA2424ZHD-3W
①Product
Series
②Input
Voltage
③Output
Voltage
④4:1Wide
Input Volage Range
⑤Symmetric
pin layout DIP24 Package Style
⑥Rated
Power(Output current)
WRA4803ZHD-3W
WRA4805ZHD-3W
WRA4807ZHD-3W
WRA4809ZHD-3W
WRA4812ZHD-3W
WRA4815ZHD-3W
WRA4818ZHD-3W
WRA4824ZHD-3W
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
MICRODC R ESERVES THE COPYRIGHT
CE
EN55022 Class A, EN55024
IEC61000-4-2, Perf. Criteria B
IEC61000-4-3, Perf. Criteria A
Standards
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
IEC61000-4-8, Perf. Criteria A
NOTE: Also designed to meet IEC60950-1:2001
Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
Page 1 of 3