WRA-ZT-1W5&WRB-ZT-1W5 Series
1.5W,WIDE INPUT ISOLATED®ULATED SINGLE/DUAL OUTPUT DC/DC CONVERTER MINIATURE SMD PACKAGE
SELECTION GUIDE
Input
Voltage(VDC)
Range
Output
Current(mA)
Efficiency
(%,Typ)
Order code
Voltage
(VDC)
Nominal
24
Max.*
40
Max.
Min.
WRA2405ZT-1W5
WRA2412ZT-1W5
WRA2415ZT-1W5
WRB2403ZT-1W5
WRB2405ZT-1W5
WRB2409ZT-1W5
WRB2412ZT-1W5
WRB2415ZT-1W5
WRA4805ZT-1W5
WRA4812ZT-1W5
WRA4815ZT-1W5
WRB4803ZT-1W5
WRB4805ZT-1W5
WRB4809ZT-1W5
WRB4812ZT-1W5
WRB4815ZT-1W5
9-36
9-36
±5
±12
±15
3.3
5
±150
±15
74
77
75
71
76
76
79
80
74
76
76
72
75
78
77
77
24
24
24
24
24
24
24
48
48
48
48
48
48
48
48
40
40
40
40
40
40
40
80
80
80
80
80
80
80
80
±63
±50
500
±6
±5
50
FEATURES
◆SMD package
9-36
9-36
9-36
300
30
◆4:1 wide input voltage range
◆Short circuit protection(automatic recovery)
◆1500VDC isolation
9-36
9
167
17
9-36
12
125
12
9-36
15
100
10
◆Operating temperature: -40℃ ~ +85℃
◆No heatsink required
18-72
18-72
18-72
18-72
18-72
18-72
18-72
18-72
±5
±12
±15
3.3
5
±150
±63
±50
500
±15
±6
±5
50
◆No external component required
◆MTBF>1,000,000 hours
300
30
9
167
17
◆RoHS Compliance
12
125
12
15
100
10
*Input voltage can't exceed this value, or will cause the permanent damage.
MODEL SELECTION
⑥
①
②
③
④
⑤
WRA 24 05 Z T -1W5
①Product Series
③Output Voltage
⑤SMD Package
②Input Voltage
④Wide (4:1) Input Range
⑥Rated Power
APPLICATIONS
The WRA_ZT-1W5&WRB_ZT-1W5 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.
COMMON SPECIFICATIONS
Parameter
Test conditions
Min.
Typ.
Max.
Units
Storage humidity
Operating temperature
Storage Temp. range
Temp. rise at full load
Lead temperature
Short circuit protection
Cooling
95
85
%
℃
℃
℃
℃
These products apply to:
-40
-55
1) Where the voltage of the input power supply is wide
range(voltage range ≤4:1);
125
15
2) Where isolation is necessary between input and
output (isolation voltage ≤1500VDC);
1.5mm from case for 10 seconds
300
Continuous, automatics recovery
Free air convection
3
here the regulation of the output voltage and the
output ripple noise are demanded.
Case Material
Epoxy Resin (UL94-V0)
MTBF
1000
K hours
g
Weight
5.2
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