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RAC02-05SE/277
AC/DC PCB Mount Power Supply (PSU), ITE, 1 Output, 2 W, 5 VDC, 400 mA
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: RECOM POWER
- Product type: AC / DC PCB Mount Power Supplies
- SVHC: No SVHC (04-Feb-2026)
- Depth: 33.7mm
- Width: 22.2mm
- Height: 17.75mm
- Product Range: RAC02-E/277 Series
- No. of Outputs: 1 Output
- Output Power Max: 2W
- Input Voltage VAC: 85V AC to 305V AC
- Power Supply Output Type: Fixed
- Output Current - Output 1: 400mA
- Output Current - Output 2: -
- Output Current - Output 3: -
- Output Voltage - Output 1: 5VDC
- Output Voltage - Output 2: -
- Output Voltage - Output 3: -
- Power Supply Applications: ITE
| Delivery and price | |
|---|---|
| Units per pack | 250 |
| Price | 13.08 € |
| Current stock | 10+ |
| Lead time | 30 days |
Datasheet
**==> picture [525 x 451] intentionally omitted <==** **----- Start of picture text -----**<br> ! [NOT RECOMMENDED FOR NEW DESIGNS] !<br> (LAST TIME BUY: 31 [ST] MAR 2026)<br>Features • 35mW max. no load power consumption<br>• Efficiency up to 76%<br>AC/DC Converter<br>• Isolated output 3kVAC / 1 min<br>Regulated • SCP, OVP protection<br>• Wide operating temperature range: -40°C to +85°C<br>Converter<br>• Universal input 85-305VAC RAC02-SE/277<br>ee—<br>Description 2 Watt<br>The ultra-compact RAC02-SE/277 modules are available with output voltages of 3.3, 5, 12 and 3<br>24V, and the input-to-output isolation is 3kVAC/1min. With a standby consumption of 35mW Single Carrasty<br>maximum, the mini power supplies are particularly suitable for energy-saving sleep mode and standby applications. Because of its compact design (height <18mm), it is a versatile solution for home Output<br>automation and other similar applications. Complete with an integrated input filter, the series has<br>enhanced EMI performance and complies with EN55032, class B. The mini power supplies are<br>also protected against short circuit with fully automatic restart after the error has been solved. The<br>converters are EN/UL60950-1 certified and come complete with a 3 year warranty.<br>Selection Guide<br>Part nom. Input Output Output Efficiency Max. Capacitive<br>Number Voltage Range Voltage Current typ [(1)] Load [(2)]<br>[VAC] [VDC] [mA] [%] [µF]<br>RAC02-3.3SE/277 100-277 3.3 600 67 12000<br>RAC02-05SE/277 100-277 5 400 70 5500<br>RAC02-12SE/277 100-277 12 167 73 500<br>RAC02-24SE/277 100-277 24 83 76 160<br>OO RoHScompliant10 from 102+ REACHcompliant ERPcompliant<br>Notes:<br>Note1: Efficiency is tested at nominal input and full load at +25°C ambient<br>Note2: Max Cap Load is tested by minimum input and constant resistor load<br>CERTIFIED<br>EN-60335-1<br>@ E (EN: E224736 ®<br>T T<br>O O<br>i<br>N N<br>a<br>N P N P<br>C C<br>S<br>l<br>V<br>R<br>V<br>R<br>H<br>A A<br>n<br>E<br>O<br>E<br>I O I<br>M M<br>p<br>L L<br>U<br>R R<br>D D<br>O<br>P P<br>c<br>O T O T<br>U U<br>p<br>O<br>C C<br>M M<br>E E<br>C C<br>L<br>e<br>E R E R<br>O T O T<br>a<br>R R<br>H<br>s<br>S<br>S<br>S<br>C S C<br>D<br>**----- End of picture text -----**<br> ## Model Numbering ## RAC02-__ SE/277 nom. Output Power **S** ingle Output Voltage **PREFERRED ALTERNATIVES** Please consider these alternatives: **RAC02E-K/277 Series** Ordering Examples: RAC02-05SE/277 2 Watt 5Vout Single Output RAC02-12SE/277 2 Watt 12Vout Single Output IEC/EN60950-1 certified CAN/CSA-22.2 No. 60950 certified UL60950-1 certified EN60335-1 certified EN55032 certified EN55024 certified EN55014 certified REV.: 12/2026 PA-1 **www.recom-power.com** **! NOT RECOMMENDED FOR NEW DESIGNS !** **(LAST TIME BUY: 31[ST] MAR 2026** ## **RAC02-SE/277** ## **AC/DC Converter** ## **Series** Specifications (measured @ Ta= 25°C, nom. Vin (115/230VAC), full load and after warm-up unless otherwise stated) |BASIC CHARACTERISTICS|BASIC CHARACTERISTICS|BASIC CHARACTERISTICS|BASIC CHARACTERISTICS|BASIC CHARACTERISTICS|BASIC CHARACTERISTICS|BASIC CHARACTERISTICS| |---|---|---|---|---|---|---| |Parameter||Condition||Min.|Typ.|Max.| |Input Voltage Range(3,4)||nom. Vin = 230VAC||85VAC<br>120VDC|277VAC|305VAC<br>430VDC| |Input Current||115VAC<br>230VAC|||47mA<br>30mA|| |Inrush Current||cold start at +25°C|115VAC<br>230VAC|||15A<br>30A| |No load Power Consumption||85-305VAC, 47-63Hz||||35mW| |Input Frequency Range||AC Input||47Hz||440Hz| |Minimum Load(5)|||||2%|| |Hold-up Time||115VAC||18ms||| |Internal OperatingFrequency||100% load at nominal Vin|||55kHz|| |Output|Ripple and Noise(6)|20MHz BW|3.3V<br>all others|||300mVp-p<br>250mVp-p| |Notes:<br>Note3: The products were submitted for safety fles at AC-Input operation<br>Note4:<br>No line derating required<br>Note5:<br>Operation below 2% load will not harm the converter, but specifcations may not be met<br>Note6:<br>Ripple and Noise is the maximum peak-to-peak voltage value measured at the output with a 20MHz bandwidth, at rated line voltage<br>at full load. And with a 47µF low-ESR electrolytic capacitor in parallel with a 0.1µF ceramic capacitor across output<br>Effciency vs. Load<br>RAC02-05SE/277<br>RAC02-12SE/277<br>0<br>10<br>20<br>30<br>40<br>50<br>60<br>70<br>80<br>90<br>100<br>100<br>80<br>60<br>40<br>90<br>70<br>50<br>30<br>20<br>10<br>0<br>Efficiency [%]<br>Output Load [%]<br>115VAC<br>~~230VAC~~<br>277VAC<br>0<br>10<br>20<br>30<br>40<br>50<br>60<br>70<br>80<br>90<br>100<br>100<br>80<br>60<br>40<br>90<br>70<br>50<br>30<br>20<br>10<br>0<br>Efficiency [%]<br>Output Load [%]<br>115VAC<br>~~230VAC~~<br>277VAC||||||| ## REGULATIONS |REGULATIONS|REGULATIONS|REGULATIONS|REGULATIONS| |---|---|---|---| |Parameter||Condition|Value| |Output Accuracy(7)|||±6.0% max.| |Line Regulation||low line to high line, full load|±1.5% max.| |Load Regulation||2% to 100% load|6.0% typ.| ||continued on nextpage<br>Notes:<br>Note7: Includes initial voltage accuracy, thermal drift, line regulation and load regulation at rated input voltage and load conditions||| REV.: 12/2026 PA-2 **www.recom-power.com** **(LAST TIME BUY: 31[ST] MAR 2026** ## **! NOT RECOMMENDED FOR NEW DESIGNS !** ## **RAC02-SE/277** ## **AC/DC Converter** ## **Series** Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) **==> picture [525 x 208] intentionally omitted <==** **----- Start of picture text -----**<br> Deviation vs. Load<br>(at 115VAC, 230VAC, 277VAC)<br>RAC02-05SE/277 RAC02-12SE/277<br>3 3<br>2.5 2.5<br>2 2<br>1.5 1.5<br>1 1<br>0.5 0.5<br>0 0<br>0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100<br>Output Load [%] Output Load [%]<br>Deviation [%] Deviation [%]<br>**----- End of picture text -----**<br> ## PROTECTIONS |PROTECTIONS||||| |---|---|---|---|---| |Parameter|Type|||Value| |Short Circuit Protection(SCP)|below 100mΩ|||continuous, automatic recovery| |Over Voltage Protection(OVP)|zener diode clamp|||110% - 140%| |Over Voltage Category||||OVCII| |Over Current Limit||||110% - 190%| |Isolation Voltage|tested for 1 minute||I/P to O/P|3kVAC| |Isolation Resistance||||1GΩ min.| |Leakage Current|85-305VAC, 47-63Hz|||10µA max.| Notes: Note8: Refer to local wiring regulations if input over-current protection is also required. Recommended fuse: T1A slow blow type Note9: An external MOV is recommended. The Varistor should comply with IEC-61051-2. e.g. EPCOS S 14 Series ## Protection Circuit **==> picture [211 x 87] intentionally omitted <==** **----- Start of picture text -----**<br> L N<br>F VACin (L) +Vout +Vout<br> Var<br>VACin(N) -Vout -Vout<br>U<br>**----- End of picture text -----**<br> |ENVIRONMENTAL|ENVIRONMENTAL|ENVIRONMENTAL|||| |---|---|---|---|---|---| |Parameter|Condition||||Value| |Operating Temperature Range|@ natural convection 0.1m/s, 140-305VAC||full load||-40°C to +75°C| ||||refer to derating graph||-40°C to +85°C| |Maximum Case Temperature|||||+105°C| |Thermal Impedance|||||8.5°C/W typ.| |OperatingHumidity|non-condensing||||5% - 95% RH max.| |Vibration|||||accordingto MIL-STD-202G standard| |MTBF|according to MIL-HDBK-217F, G.B.|+25°C||115VAC<br>230VAC|2238 x 103hours<br>1670 x 103hours| |continued on next page|||||| REV.: 12/2026 PA-3 **www.recom-power.com** **! NOT RECOMMENDED FOR NEW DESIGNS !** **(LAST TIME BUY: 31[ST] MAR 2026** ## **RAC02-SE/277** ## **AC/DC Converter** ## **Series** Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) **==> picture [527 x 686] intentionally omitted <==** **----- Start of picture text -----**<br> Derating Graph<br>(@ Chamber and natural convection 0.1m/s)<br>@ 85-140VAC @ 140-305VAC<br>100 100<br>90 90<br>80 80<br>70 70<br>60 60<br>50 50<br>40 40<br>30 30<br>3.3V and 5V all models<br>20 all other models 20<br>10 10<br>0 0<br>-40 -20 0 20 40 60 80 100 120 -40 -20 0 20 40 60 80 100 120<br>-25 75 85 75 85<br>Ambient Temperature [°C] Ambient Temperature [°C]<br>SAFETY AND CERTIFICATIONS<br>Certificate Type (Safety) Report / File Number Standard<br>IEC60950-1:2005, 2nd Edition + A2:2013<br>Information Technology Equipment - General Requirments for Safety (CB Scheme) L0339L26-CB-1-B4<br>EN60950-1:2006 + A2:2013<br>UL60950-1, 2nd Edition, 2014<br>Information Technology Equipment, General Requirements for Safety E224736-A24-UL<br>CAN/CSA-C22.2 60950-1, 2nd Edition, 2014<br>Household and similar electrical appliances - Safety - Part 1: General requirements L0339L26-B2-L EN60335-1:2012 + A11:2014<br>EAC Safety of Low Voltage Equipment RU-AT.49.09571 TP TC 004/2011<br>RoHS2+ RoHS-2011/65/EU + AM-2015/863<br>EMC Compliance (Industrial) Condition Standard / Criterion<br>Electromagnetic compatibility of multimedia equipment – Emission Requirements EN55032:2015, Class B<br>Information technology equipment - Immunity characteristics - Limits and methods<br>EN55024:2010<br>of measurement<br>ESD Electrostatic discharge immunity test ±8kV air, ±4kV contact EN61000-4-2:2009, Criteria B<br>Radiated, radio-frequency, electromagnetic field immunity test 3V/m EN61000-4-3:2006 + A2:2010, Criteria A<br>Fast Transient and Burst Immunity AC Power Port: ±1.0kV EN61000-4-4:2012, Criteria A<br>Power Magnetic Field Immunity 50Hz, 1A/m EN61000-4-8:2010, Criteria A<br>Voltage Dips and Interruptions Voltage Dips >95% EN61000-4-11:2004, Criteria A<br>Voltage Dips 30% EN61000-4-11:2004, Criteria A<br>Voltage Interruptions >95% EN61000-4-11:2004, Criteria B<br>Limits of Voltage Fluctuations & Flicker EN61000-3-3:2013<br>EMC Compliance (Household) Condition Standard / Criterion<br>Electromagnetic compatibility - Requirements for household appliances, electric<br>EN55014-1:2006+A2:2011<br>tools and similar apparatus - Part 1: Emission<br>Information technology equipment - Immunity characteristics - Limits and methods<br>EN55014-2:2015<br>of measurement<br>ESD Electrostatic discharge immunity test ±8kV air, ±4kV contact IEC61000-4-2:2008, Criteria A<br>Radiated, radio-frequency, electromagnetic field immunity test 3V/m IEC61000-4-3:2006 + A2:2010, Criteria A<br>AC Power Port: ±1kV<br>Fast Transient and Burst Immunity IEC61000-4-4:2012, Criteria A<br>DC Output: ±0.5kV<br>continued on next page<br>Output Load [%] Output Load [%]<br>**----- End of picture text -----**<br> REV.: 12/2026 PA-4 **www.recom-power.com** **(LAST TIME BUY: 31[ST] MAR 2026** ## **! NOT RECOMMENDED FOR NEW DESIGNS !** ## **RAC02-SE/277** ## **AC/DC Converter** ## **Series** Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) ## SAFETY AND CERTIFICATIONS |**AC/DC Converter**<br>Specifcations(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)<br>**Series**|**AC/DC Converter**<br>Specifcations(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)<br>**Series**|**AC/DC Converter**<br>Specifcations(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)<br>**Series**| |---|---|---| |SAFETY AND CERTIFICATIONS||| |EMC Compliance(Household)|Condition|Standard / Criterion| |Surge Immunity|AC Power Port:L to N ±2kV<br>DC Output: L to N ±1kV|IEC61000-4-5:2014, Criteria B| |Immunity to conducted disturbances, induced by radio-frequency felds|3 Vr.m.s.|IEC61000-4-6:2013, Criteria A| |Voltage Dips and Interruptions|Voltage Dips >95%<br>Voltage Dips 30%<br>Voltage Interruptions >95%|IEC61000-4-11:2004, Criteria B<br>IEC61000-4-11:2004, Criteria C<br>IEC61000-4-11:2004,Criteria C| |Limits of Harmonic Current Emissions||EN61000-3-2:2014| |Limits of Voltage Fluctuations & Flicker||EN61000-3-3:2013| ## DIMENSION AND PHYSICAL CHARACTERISTICS |DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS| |---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| |Parameter||||||Type||||||||||||||Value||| |Material||||||case<br>potting||||||||||||||black plastic, (UL94V-0)<br>silicone,(UL94V-0)||| |Dimension(LxWxH)||||||||||||||||||||33.70 x 22.20 x 17.75mm||| |Weight||||||||||||||||||||||24.5gtyp.| |Dimension Drawing (mm)|||||15.24<br>7.62<br>6.1<br>2.54<br>2.54|||22.2<br>Ø 0.8±0.1<br>Recommended Footprint|||22.2||||||0.75 ±0.25<br>17.75 ±0.25<br>~~3~~<br>~~4~~<br>Details|||||| |||embossed logo||||||||||||||||||||| |||||||||||||||||||||||| |||33.7||||||||||||||||||||| |||||||||||||||||||||||| ||||||||||||||||||0.75 ±0.25<br>17.75 ±0.25|||||| |||||||||||||||||||||||| |||||||||||||||||||||||| ||2|||||||||||||||||||||| |||Bottom View<br>3<br>4<br>7.0<br>tc<br>18.0|||15.24<br>7.62||||~~1~~||||||||~~3~~|||||| |||||||||||||||||||||||| ||||||||||||~~T~~|~~op~~|~~Vi~~|~~e~~|||~~4~~|||||| |||||||||||||||||||||||| |||||||||||||||||||||||| ||1|70||||||||||||||||||||| |||||||||||||||||||||||| |||||||||||||||||||||||| ## PACKAGING INFORMATION |PACKAGING INFORMATION|PACKAGING INFORMATION|PACKAGING INFORMATION| |---|---|---| |Parameter|Type|Value| |PackagingDimension(LxWxH)|tube|520.0 x 37.0 x 28.0mm| |Packaging Quantity||22pcs| |Storage Temperature Range||-40°C to +85°C| The product information and specifications may be subject to changes even without prior written notice.The product has been designed for various applications; its suitability lies in the responsibility of each customer. The products are not authorized for use in safety-critical applications without RECOM’s explicit written consent. A safety-critical application is an application where a failure may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The applicant shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized use of RECOM products in such safety-critical applications. REV.: 12/2026 PA-5 **www.recom-power.com**
Updated at June 3, 2026
RECOM Power is a globally recognized manufacturer specializing in standard and customized power conversion solutions. Headquartered in Austria with state-of-the-art research and development facilities, the company has built a strong reputation for innovation and reliability. Operating from ISO 9001 and IATF 16949 certified manufacturing sites, RECOM delivers premium power supplies engineered for demanding applications across IoT, Industry 4.0, medical technology, and transportation. The core of our RECOM Power portfolio is dedicated to advanced power and line protection, featuring an extensive selection of high-performance AC/DC converters. These modules are designed to provide efficient, stable power distribution for a wide array of industrial and commercial electronics. In addition to general-purpose power supplies, we offer a robust range of AC/DC LED power supplies specifically optimized to meet the stringent efficiency and lifespan requirements of modern lighting systems. To support comprehensive power architecture design, our selection also includes highly efficient DC/DC converters ideal for precise voltage regulation in complex circuits. Furthermore, we provide specialized passive components such as RECOM power inductors, ensuring engineers have access to the critical, high-quality components required to develop resilient and optimized power delivery systems.
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