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H0503SY-1WR2
● High efficiency, with low output ripple and noise.
● Low no-load power consumption and low quiescent current
- Product Description
- Parameter Introduction
- Precautions
-
● Small size, high power density● High efficiency with low output ripple and noise.● Low no-load power consumption and low quiescent current.● Long-duration short-circuit protection with auto-recovery● Good thermal stability and excellent temperature characteristics.● Operating temperature range: -40°C to +85°C● Isolation voltage: 4200 VAC or 6000 VDC● High reliability (MTTF ≥ 3.5 million hours)● International-standard SIP package, saving PCB mounting space.● Environmentally friendly design, compliant with the RoHS Directive.● 100 % Full-load aging
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Model number
Rated Input Voltage (V)
Rated output
Typical Efficiency (%)
Maximum capacitive load
(uF)
Nominal
Scope
Voltage (V)
Current (mA)
H0503SY-1WR2
5
4.5~5.5
3.3
303
82
2200
H0505SY-1WR2
5
200
82
2200
H0509SY-1WR2
9
111
87
2200
H0512SY-1WR2
12
83
85
1000
H0515SY-1WR2
15
67
85
1000
H0524SY-1WR2
24
42
83
820
H1203SY-1WR2
12
10.8~13.2
3.3
303
80
2200
H1205SY-1WR2
5
200
83
2200
H1212SY-1WR2
12
83
85
1000
H1215SY-1WR2
15
67
84
1000
H1224SY-1WR2
24
42
84
820
H1505SY-1WR2
15
13. 5~16. 5
5
200
83
2200
H1512SY-1WR2
12
83
85
1000
H1515SY-1WR2
15
67
88
820
H1524SY-1WR2
24
42
86
820
H2405SY-1WR2
24
21. 6–26. 4
5
200
83
2200
H2412SY-1WR2
12
83
85
1000
H2415SY-1WR2
15
67
85
820
H2424SY-1WR2
24
42
85
820
Output characteristics
Project
Conditions
Minimum
Typical
Maximum
Unit
Output power
0.1
1
W
Line regulation of voltage
Under rated load, the input voltage varies by ±1%.
±1.2
±1.5
%
Load Regulation Rate
Under nominal input conditions, the load varies from 10% to 100%.
10
15
Quiescent current
Under the rated input, with the output load at 0 Ω.
≤8
mA
Temperature drift coefficient
Under rated load
±0.03
%/°C
Ripple & Noise
Bandwidth: 20 MHz, using the parallel‑line method.
50
150
mVp-p
Switching frequency
Rated input voltage
70
KHz
Output short-circuit protection
Long-duration short-circuit protection
Input filter
Capacitor filtering
Hot-swappable
Not supported
Output voltage accuracy
See the error envelope plot.
Insulation properties
Project
Test conditions
Minimum
Typical
Maximum
Unit
Insulation resistance
500VDC
1000
MΩ
Insulation voltage
Test time between input and output: 1 minute; leakage current less than 1 mA.6000
VDC
General Characteristics
Project
Conditions
Minimum
Typical
Maximum
Unit
Storage humidity
5
95
%
Operating temperature
-40
85
°C
Storage temperature
-55
125
Case temperature rise during operation
15
25
Pin soldering temperature resistance
Solder joint is 1.5 mm from the housing; apply for 10 seconds.
300
MTTF
MIL-HDBK-217F@25℃
350
Ten thousand hours
Weight
3.8
Kerl
Cooling method
Natural air cooling
Housing material
Flame-retardant, heat-resistant plastic (UL94-V0)
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Avoid operating under no-load conditions whenever possible: When the load power consumption is less than 10% of the module’s rated output power. % It is recommended to connect a dummy load at the output or to select modules with a lower rated power; the dummy load (resistor) can be set to 10% of the module’s rated power. % Calculate the resistance value R = U 2 /(10 % ×1W);Avoid excessively large output bypass capacitors: The external capacitor C2 at the output should not have an excessively large capacitance; otherwise, it may cause overcurrent during module startup or result in poor start-up performance. The specific value should be selected based on the capacitor’s datasheet.This product series does not support hot-swapping on the input side or parallel operation on the output side.In applications with stringent ripple‑noise requirements, an external LC filter should be used. The resonant frequency of the LC filter must be significantly lower than the switching frequency of the DC/DC converter to prevent mutual interference that could increase output ripple or damage the module, as shown in the figure.
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