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Mean Well RSD-30L-3.3 DC-DC Converter - 19.8W - 18~72V in 3.3V out
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Description
Description
Features
| Compliance with BS EN/EN50155 and BS EN/EN45545-2 railway standard |
| Ultra compact and 1U low profile(25mm |
| 4:1 wide input range |
| No minimum load required |
| Protections: Short circuit / Overload / Over voltage / Input reverse polarity / Over temp. |
| 4000VDC I / O isolation |
| Half encapsulated, cooling by free air convection |
| -40~+70℃ wide working temperature |
| The built-in constant current limiting circuit |
| LED indicator for power on |
| 100% full load burn-in test |
| 3 years warranty |
General Specification
| Line regulation (max.) | ± 0.5% |
| Load regulation (max.) | ± 0.5% |
| Overload protection Range | 105% ~ 135% |
| Overload protection Type | Constant current limiting recovers automatically after the fault condition is removed |
| Over-voltage protection | 115% to 135% Shutdown O / P voltage, re-power on to recover |
| Withstand voltage | I / PO / P: 4kVDC, I / P-FG: 2.5kVDC, O / P-FG: 2.5kVDC, 1 minute |
| Isolation resistance | I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH |
| Working temperature | -40 ~ + 85°C (refer to output derating curve) |
| Safety standards | IEC 62368-1, UL 62368-1, AS/NZS 62368-1, EAC TP TC 004 approved, Design refer to BS EN/EN62368-1 |
| EMC standards | EN55022 class B, EN50121-3-2, EN61000-4-2,3,4,5,6,8 |
| Railway standard | EN50155 / IEC60571 |
| Dimension (LxWxH) (mm) | 113 x 60 x 25mm |
| Packing | 0.25Kg; 56pcs/15Kg/0.81CUFT |
Specifications
Specifications
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BrandMean Well
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SeriesRSD Series
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Power Rating19.8 Watt
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Output Voltage3.3 Volt
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Rated Current6 Ampere
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Input Voltage18V~72V
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No of Output1
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Dimming ControlNone
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Standards MetCB,CE,EAC,EMC,RCM
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Operation ModeConstant Voltage
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Operating Temperature-40°C~70°C
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Warranty3 Year
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Length4.45 in
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Width2.36 in
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Height0.98 in
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Weight0.55 lb
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Frequently Asked Questions
Can I use the RSD-30L-3.3 for 3.3V embedded controllers, logic boards, or industrial communication electronics?
This converter is intended for constant-voltage 3.3V loads and can supply up to 6A, with a total power rating of 19.8W. That makes it suitable for 3.3V embedded electronics that need higher current at low voltage. Its 18-72V input range also suits systems fed from a wide DC source.
Is this a fit for powering 3.3V processors or FPGA-based control boards from a higher-voltage DC source?
It can be used where the equipment needs a fixed 3.3V output and stays within 6A and 19.8W. The constant-voltage output is aligned with boards that expect a regulated 3.3V rail. It is not a higher-power option, so the load has to stay within the published 19.8W limit.
Can the RSD-30L-3.3 be used in compact industrial or transportation electronics with vibration?
The converter is described as miniature in size at 113.0 x 60.0 x 25.0 mm and 0.25 kg, which helps in compact equipment. Its features also specify 5G vibration resistance, which supports use in moving or vibration-prone systems. The electrical fit still depends on needing 3.3V at up to 6A.
Will this converter handle cold or hot control cabinet conditions?
The operating temperature range is -40C to +70C, so it is specified for both low-temperature and elevated-temperature environments. No IP rating is listed in the provided specs, so the data does not confirm outdoor exposure or direct moisture resistance. It is best matched to protected installations where the temperature range is the main concern.
What are the differences between the RSD-30L-3.3 and the other RSD-30L output versions?
The RSD-30L-3.3 is rated at 19.8W with 3.3V output at 6A. The other listed RSD-30L versions are RSD-30L-5 at 30W, 5V, 6A, RSD-30L-12 at 30W, 12V, 2.5A, and RSD-30L-24 at 30W, 24V, 1.25A. In the provided data, they share the same 113.0 x 60.0 x 25.0 mm dimensions and 0.25 kg weight.
Other RSD-30L Models
3 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well RSD-30L-24 DC-DC Converter - 30W - 18~72V in 24V out | 30W | 24V | 1.25A | Indoor | $31.61 | View |
| Mean Well RSD-30L-5 DC-DC Converter - 30W - 18~72V in 5V out | 30W | 5V | 6A | Indoor | $31.61 | View |
| Mean Well RSD-30L-12 DC-DC Converter - 30W - 18~72V in 12V out | 30W | 12V | 2.5A | Indoor | $31.61 | View |





