SMP350PS28
AC/DC Enclosed Power Supply (PSU), ITE & Medical, 1 Outputs, 350 W, 28 VDC, 12.5 A
- Manufacturer: XP POWER
- Product type: AC / DC Enclosed Power Supplies
- No. of Outputs:1Outputs; Output Power Max:350W; Output Voltage - Output 1:28V; Output Current - Output 1:12.5A; Output Voltage - Output 2:-; Output Current - Output 2:-; Output Voltage -
- SVHC: No SVHC (15-Jan-2018)
- Product Range: SMP350 Series
- No. of Outputs: 1Outputs
- Output Power Max: 350W
- Input Voltage VAC: 85V AC to 264V AC
- Input Voltage AC Max: 264V
- Input Voltage AC Min: 85V
- Power Supply Output Type: Adjustable, Fixed
- Output Current - Output 1: 12.5A
- Output Current - Output 2: -
- Output Current - Output 3: -
- Output Current - Output 4: -
- Output Voltage - Output 1: 28VDC
- Output Voltage - Output 2: -
- Output Voltage - Output 3: -
- Output Voltage - Output 4: -
- Power Supply Applications: ITE & Medical
| Delivery and price | |
|---|---|
| Units per pack | 10 |
| Price | 94.76 € |
| Current stock | 100+ |
| Lead time | 30 days |
## SMP350 Series ## 350W **FAN COOLED** ## AC-DC POWER SUPPLIES The SMP350 series provides a range of rugged, enclosed, 300–350W supplies with integral fan, screw terminal connections and a wide operating temperature range of -40°C to +70°C ideally suited to a wide range of industrial applications. The SMP350 series features high efficiency and class B EMI emissions for ease of integration into the end application and offers remote On/Off to simplify system control. Packaged in a 3.6” x 7” x 1.7” enclosure the series offers power densities up to 13W/in[3] providing a compact, high efficiency, low noise power solution. ## **Features** - Rugged industrial construction - -40ºC to +70°C operation - Screw terminals **==> picture [150 x 75] intentionally omitted <==** **----- Start of picture text -----**<br> Applications<br>+)<br>Healthcare Industrial Instrumentation Technology<br>Electronics<br>**----- End of picture text -----**<br> - High efficiency - Remote On/Off **==> picture [53 x 8] intentionally omitted <==** **----- Start of picture text -----**<br> Dimensions<br>**----- End of picture text -----**<br> - ITE/industrial electronics & medical approvals - Low leakage current option **==> picture [125 x 20] intentionally omitted <==** **----- Start of picture text -----**<br> SMP350:<br>3.6 x 7.0 x 1.7” (91.4 x 177.8 x 43.1 mm)<br>**----- End of picture text -----**<br> - Class B emissions - 3 year warranty ## **Models & Ratings** |Model Number(1)<br>SMP350PS12|Output Voltage<br>12.0VDC|90-180VAC<br>Output Current<br>Output Power<br>25.00A<br>300W|90-180VAC<br>Output Current<br>Output Power<br>25.00A<br>300W|180-264VAC<br>Output Current<br>Output Power<br>25.00A<br>300W|180-264VAC<br>Output Current<br>Output Power<br>25.00A<br>300W| |---|---|---|---|---|---| |SMP350PS15|15.0VDC|20.70A|310W|22.00A|330W| |SMP350PS18|18.0VDC|17.80A|320W|19.40A|350W| |SMP350PS24|24.0VDC|13.75A|330W|14.60A|350W| |SMP350PS28|28.0VDC|11.80A|330W|12.50A|350W| |SMP350PS36|36.0VDC|9.20A|330W|9.70A|350W| |SMP350PS48|48.0VDC|7.30A|350W|7.30A|350W| Notes: 1. For reduced leakage current versions (<300μA) contact sales. AC-DC POWER SUPPLIES ## SMP350 Series ## **Summary** **==> picture [540 x 20] intentionally omitted <==** **----- Start of picture text -----**<br> Characteristic Minimum Typical Maximum Units Notes & Conditions<br>**----- End of picture text -----**<br> |Characteristc|Minimum|Typical|Maximum|Units|Notes & Conditons| |---|---|---|---|---|---| |Input Voltage Range|85||264|VAC|Derate from 100% at 90VAC to 90% at 85VAC| |No Load Input Power||1.25/2.6||W|115/230VAC when inhibited| |Effciency|87|90|93|%|See fg. 2-4| |Operating Temperature|-40||+70|°C|Derate linearly above +50°C to 50% at +70°C, see fg. 5.| |EMC|EN55011/32 Level B Conducted & Level A Radiated, EN61000-3-3||||| |Safety Approvals|IEC62368-1, IEC60601-1, IEC60950-1, EN62368-1, EN60601-1, UL62368-1, CSA C22.2 No. 62368-1, ANSI/AAMI ES60601-1:2005<br>& CSA C22.2, No.60601-1:08||||| ## **Input** |Characteristc|Minimum|Typical|Maximum|Units|Notes & Conditons| |---|---|---|---|---|---| |Input Voltage Range|85||264|VAC|Derate from 100% at 90VAC to 90% at 85VAC| |Input Frequency|47||63|Hz|| |Power Factor||0.9|||EN6100-3-2 for class A, Class C >125W| |Input Current|||4.7|A|90VAC, 100% load| |No Load Input Power||1.25/2.6||W|115 VAC/230VAC when inhibited| |Inrush Current||130||A|230VAC, cold start 25°C| |Earth Leakage Current|||500|μA|264VAC/60Hz. For reduced leakage current medical<br>versions (<300 μA) contact sales.| |Fuse Protection|F5.0A/250V ftted in both line and neutral||||| ## **Output** **==> picture [540 x 20] intentionally omitted <==** **----- Start of picture text -----**<br> Characteristic Minimum Typical Maximum Units Notes & Conditions<br>**----- End of picture text -----**<br> |Characteristc|Minimum|Typical|Maximum|Units|Notes & Conditons| |---|---|---|---|---|---| |Output Voltage|12||48|VDC|| |Initial Set Accuracy|||±1|%|Of nominal at 50% load| |Output Voltage Adjustment - V1|±2|||%|| |Load Regulation|||1|%|| |Line Regulation|||±0.5|%|Of nominal, for input voltage range of 90-264VAC| |Ripple and Noise|||1|%|Pk-pk with 20MHz bandwidth, 1.5%, 12V models| |Hold Up Time|10|||ms|| |Minimum Load|0|||A|No minimum load required| |Transient Response|||4|%|Deviation with a 50%-75%-50% load change. Output returns to<br>within 1% in less than 500μs| |Overvoltage Protection - V1|115||140|% Vnom|Cycle AC to reset| |Overload Protection - V1|110||150|%|Trip and restart| |Overtemperature Protection|||||Thermal protection ftted| |Remote On/Off|<0.4V to switch off, open cct or >4V to switch on||||| |Temperature Coeffcient|||0.02|%/°C|After 20 minute warm up| |Start Up Time|||1|s|115/230VAC, full load| |Overshoot|||5|%|| 2 AC-DC POWER SUPPLIES ## SMP350 Series ## **General** |Characteristic<br>Efficiency|Characteristic<br>Efficiency|Minimum<br>87|Typical<br>90|Maximum<br>93|Units<br>%|Notes & Conditions<br>See fig. 2-4 below| |---|---|---|---|---|---|---| |Isolation|Input to Output|4000|||VAC|2 x MOPP| ||Input to Ground|1500||||1 x MOPP| ||Output to Ground|1500||||1 x MOPP| |Switching Frequency||60||200|kHz|PFC| |||90||150||Main converter| |Power Density||||13|W/in3|| |Mean Time Between Failure|||570||khrs|MIL-HDBK-217F, notice 2, +25°C GB| |Weight|||1.5 (0.68)||lb (kg)|| ## **Efficiency Graphs** Efficiency vs Load ## Figure 2 SMP350PS12 Figure 3 SMP350PS24 **==> picture [528 x 89] intentionally omitted <==** **----- Start of picture text -----**<br> 100 100<br>95 95<br>90 90<br>85 115VAC 85 115VAC<br>230VAC 230VAC<br>80 80<br>75 75<br>70 70<br>25 50 75 100 25 50 75 100<br>Load (%) Load (%)<br>Efficiency (%)<br>**----- End of picture text -----**<br> ## Figure 4 SMP350PS48 **==> picture [250 x 90] intentionally omitted <==** **----- Start of picture text -----**<br> 100<br>95<br>90<br>85 115VAC<br>230VAC<br>80<br>75<br>70<br>25 50 75 100<br>Load (%)<br>**----- End of picture text -----**<br> 3 AC-DC POWER SUPPLIES ## SMP350 Series ## **Environmental** Co |Characteristic<br>Operating Temperature|Minimum<br>-40|Typical|Maximum<br>+70|Units<br>°C|Notes & Conditions<br>Derate linearly above 50°C to 50% of rated power at 70°C, see fig 5| |---|---|---|---|---|---| |Storage Temperature|-40||+85|°C|| |Operating Humidity|5||95|%RH|Non-condensing| |Storage Humidity|5||95|%RH|Non-condensing| |Shock|±3 x 30g shocks in each plane, total 18 shocks. 30g = 11 ms (±0.5ms), half sine. Conforms to EN60068-2-27 & EN60068-2-47||||| |Vibration|Single axis 10-500 Hz at 2g sweep and endurance at resonance in all 3 planes. Conforms to EN60068-2-6||||| **==> picture [341 x 173] intentionally omitted <==** **----- Start of picture text -----**<br> Temperature Derating Curve<br>Figure 5<br>100<br>50<br>0<br>-40 -20 0 50 70<br>Ambient Temperature (ºC)<br>Output Load (% ) Some specification<br>parameters may not be met<br>**----- End of picture text -----**<br> ## **Signals & Controls** CoD |Characteristic<br>Remote Sense|Characteristic<br>Remote Sense|Notes & Conditions<br>Compensates for 0.5V total voltage drop| |---|---|---| |Remote On/Off|Inhibit|The inhibit lo (pin 4), should be pulled below 0.4V to switch V1 & Vfan off. Open circuit or >4V to<br>switch on (see fig. 6)| ||Enable|With the inhibit lo (pin 4) pulled low as detailed above, connecting inhibit hi (pin 5) to inhibit lo (pin 4)<br>will enable V1 & V fan output. (see fig. 7)| **==> picture [457 x 161] intentionally omitted <==** **----- Start of picture text -----**<br> Remote On/Off (Inhibit)<br>Remote On/Off (Enable)<br>Figure 6<br>Figure 7<br>POWER SUPPLY POWER SUPPLY<br>Inhibit Hi<br>Pin 5<br>Inhibit Lo Inhibit Lo<br>Pin 4 Pin 4<br>0 V 0 V<br>L [<br>Signals Connector Signals Connector<br>**----- End of picture text -----**<br> 4 AC-DC POWER SUPPLIES ## SMP350 Series ## **EMC: Emissions** |Phenomenon|Standard|Test Level|Notes & Conditons| |---|---|---|---| |Conducted|EN55011/32|Class B|| |Radiated|EN55011/32|Class A|| |Harmonic Fluctuations|EN61000-3-3||| ## **EMC: Immunity** **==> picture [541 x 21] intentionally omitted <==** **----- Start of picture text -----**<br> Phenomenon Standard Test Level Criteria Notes & Conditions<br>**----- End of picture text -----**<br> |Phenomenon<br>|Standard<br>|Test Level<br>|Criteria<br>|Notes & Conditons| |---|---|---|---|---| |Low Voltage PSU EMC|EN61204-3|High severity level|as below|| |Harmonic Current|EN61000-3-2|Class A|A|All models| |||Class C||>125W| |Radiated|EN61000-4-3|3|A|| |EFT|EN61000-4-4|3|A|| |Surges|EN61000-4-5|Installation class 3|A|| |Conducted|EN61000-4-6|3|A|| |Dips and Interruptions|EN61000-4-11<br>(100VAC)|Dip 100% (0VAC), 8.4ms|A|| |||Dip 100% (0VAC), 16.7ms|B|| |||Dip 60% (40VAC), 200ms|B|| |||Dip 30% (70VAC), 500ms|B|| |||Dip 20% (80VAC), 5000ms|B|| |||Int 100% (0VAC), 5000ms|B|| ||EN61000-4-11<br>(240VAC)|Dip 100% (0VAC), 10ms|A|| |||Dip 100% (0VAC), 20ms|B|| |||Dip 60% (96VAC), 200ms|B|| |||Dip 30% (168VAC), 500ms|B|| |||Dip 20% (192VAC), 5000ms|B|| |||Int 100% (0VAC), 5000ms|B|| ||EN60601-1-2<br>(100VAC)|Dip 100% (0VAC), 10ms|A|| |||Dip 60% (40VAC), 100ms|A|Derate output power to 150W| |||Dip 30% (70VAC), 500ms|A|| |||Int 100% (0VAC), 5000ms|B|| ||EN60601-1-2<br>(240VAC)|Dip 100% (0VAC), 10.0ms|A|| |||Dip 60% (96VAC), 100ms|A|| |||Dip 30% (168VAC), 500ms|A|| |||Int 100% (0VAC), 5000ms|B|| ||SEMI F47<br>(100VAC)|Dip 33% (70VAC), 500ms|A|| 5 AC-DC POWER SUPPLIES ## SMP350 Series ## **Safety Approvals** |Certfcaton|Standard|Notes & Conditons| |---|---|---| |CB|IEC60950-1:2005 Ed 2 / IEC62368-1 Ed 2|Information Technology| ||IEC60601-1 Ed 3.1 Including Risk Management|Medical| |UL|UL62368-1 & CSA C22.2 No. 62368-1|Information Technology| ||ANSI/AAMI ES60601-1:2005 & CSA C22.2, No.60601-1:08|Medical| |TUV|EN62368-1|Information Technology| ||EN60601-1/2006|Medical| |Equipment Protection Class|Class I|See safety agency conditions of acceptability for details| |CE|Meets all applicable directives|| |UKCA|Meets all applicable legislation|| |Isolaton|Means of Protecton|Category| |Primary to Secondary|2 x MOPP (Means of Patient Protection)|IEC60601-1 Ed 3| |Primary to Earth|1 x MOPP (Means of Patient Protection)|IEC60601-1 Ed 3| |Secondary to Earth|1 x MOPP (Means of Patient Protection)|IEC60601-1 Ed 3| ## **Mechanical Details** **==> picture [539 x 303] intentionally omitted <==** **----- Start of picture text -----**<br> 0.12 (3.0) 7.0 (177.8) 0.28 (7.1) 7 x M3 ScrewTerminal Block TB1 (14.7)0.58 (30.5)1.20 5.35 (135.9) 2 x M3 x 0.5 THD<br>0.16 (4.0) max<br>screw penetra�on<br>0.33<br>(8.4)<br>(91.4)3.6 AIR FLOW Voltage (62.0)2.44<br>Adjust<br>0.59 (15.0)<br>0.32 (8.1)<br>2 x M3 x 0.5 THD<br>0.16 (4.0) max Signal Connector J4<br>screw penetra�on<br>1.70 JST PN B10B-PHDSS<br>(43.2)<br>1.09 (27.6) Pin Function<br>1 +Sense<br>1.20 (30.5) 5.35 (135.9) Terminal Block TB1<br>2 -Sense<br>Pin Function 3 XP Internal Use<br>1 Line 4 Inhibit LO<br>2 Neutral 5 Inhibit HI<br>3 Ground 6 N/C<br>4 +V1 7 N/C<br>5 +V1 8 N/C<br>6 -V 9 N/C<br>7 -V 10 N/C<br>**----- End of picture text -----**<br> ## **Notes:** 1. All dimensions in inches (mm). 2. Tolerance .xx = 0.02 (0.50); .xxx = 0.01 (0.25) 4. J4 mates with JST Housing Pn. PHDR-10VS and with JST SPHD-001T-P0.5 crimp terminals. 3. Weight: 1.5lbs (0.68 kg) **==> picture [148 x 49] intentionally omitted <==** 6 22 Mar 2023
Updated at June 10, 2026
XP Power is a globally recognized leader in the design and manufacture of critical power solutions for the electronics industry. With a steadfast commitment to total quality and in-house engineering expertise, the company delivers highly reliable components that support complex applications across the industrial, healthcare, and technology sectors. Their extensive manufacturing capabilities provide engineers with a broad and dependable source for innovative power products. Our extensive portfolio of XP Power components is heavily focused on robust power and line protection. The core of this offering features a vast selection of high-performance AC/DC converters, designed to meet the rigorous efficiency and footprint demands of modern electronic systems. Complementing these are numerous reliable DC/DC converters, providing versatile options for precise voltage regulation and seamless system integration. Beyond their primary power conversion ranges, XP Power manufactures specialized components to address specific design challenges. Our selection includes essential passive components, such as power line filters for effective EMC and RFI suppression, ensuring signal integrity and strict regulatory compliance. Additionally, we provide dedicated AC/DC LED power supplies tailored for reliable, long-lasting performance in advanced commercial and industrial lighting applications.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →