UCP225PS28

AC/DC Open Frame Power Supply (PSU), ITE & Medical, 1 Output, 225W @ 10CFM, 150 W

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Manufacturer: XP POWER
Product type: AC / DC Open Frame Power Supplies
Product Range: UCP
No. of Outputs: 1 Output
Output Power Max: 150W
Input Voltage VAC: 85V AC to 264V AC
Input Voltage AC Max: 264V
Input Voltage AC Min: 85V
Power Supply Approvals: ITE & Medical
Power Supply Output Type: Adjustable, Fixed
Output Current - Output 1: 5.36A
Output Voltage - Output 1: 28VDC
Power Rating (Forced Cooling): 225W @ 10CFM
Power Rating (Convection Cooling): 150W

Delivery and price
Units per pack	10
Price	94.83 €
Current stock	10+
Lead time	30 days

Datasheet

## UCP225 Series 

## 225W **CONVECTION COOLED** 

## AC-DC POWER SUPPLIES 

The UCP225 series is designed to minimize the no load power consumption and maximize efficiency to facilitate equipment design to meet the latest environmental legislation. Approved for medical and ITE applications, this range of single output AC/DC power supplies are packaged in an ultra-low profile 1.18” height with a foot print of just 3.12” by 5.0”. The UCP225 provides up to 225W force-cooled or 150W convection-cooled leading to very high power densities of 12.2W/in3 or 8.1W/in3 respectively. A 12V, 500mA fan supply is included in the design which can also be delivered with an optional 5V/2A standby output. The power supply contains two fuses and low leakage currents as required by medical applications and is safety approved to operate in a 70°C ambient. The low profile and safety approvals covering ITE and medical standards along with conducted emissions to EN55011/32 level B allow the versatile UCP225 series to be used in a vast range of applications. 

## **Applications** 

## **Features** 

- Low 1.18” Profile U Channel Construction 

- -40°C to +70°C Operation 

- 3.12” by 5.0” Footprint 

- 150W Convection/225W Forced Cooled Ratings 

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Healthcare Home  Industrial<br>Healthcare Electronics<br>@)<br>Instrumentation Security Technology<br>**----- End of picture text -----**<br>


- Optional 5V Standby and Remote On/Off 

- 12V Fan Output 

- Medical and ITE Approvals 

- High Efficiency, up to 95% 

## **Dimensions** 

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UCP225:<br>5.00 x 3.12 x 1.18” (127.0 x 79.2 x 29 .2 m m)<br>**----- End of picture text -----**<br>


- Less than 0.5W No Load Input Power 

## **Models & Ratings** 

|**Models & Ratings**|**Models & Ratings**|**Models & Ratings**|**Models & Ratings**|**Models & Ratings**|**Models & Ratings**|**Models & Ratings**|**Models & Ratings**|
|---|---|---|---|---|---|---|---|
|Model Number(3,4,5,6)<br>UCP225PS12|Output Voltage<br>12V|Output Current<br>Convection-cooled<br>Forced-cooled(1)<br>12.50A<br>18.75A||Optional Standby Output<br>Fan Output<br>Convection-cooled<br>Forced-cooled(1)<br>5V/1.0A<br>5V/2.0A<br>12V/0.5A||Fan Output(7,8)<br>12V/0.5A|Efficiency<br>92%|
|UCP225PS15|15V|10.00A|15.00A|5V/1.0A<br>5V/2.0A|5V/2.0A<br>12V/0.5A|12V/0.5A|92%|
|UCP225PS18|18V|8.33A|12.50A|5V/1.0A<br>5V/2.0A|5V/2.0A<br>12V/0.5A|12V/0.5A|92%|
|UCP225PS24|24V|6.25A|9.38A|5V/1.0A<br>5V/2.0A|5V/2.0A<br>12V/0.5A|12V/0.5A|92%|
|UCP225PS28|28V|5.36A|8.04A|5V/1.0A<br>5V/2.0A|5V/2.0A<br>12V/0.5A|12V/0.5A|92%|
|UCP225PS36|36V|4.16A|6.25A|5V/1.0A<br>5V/2.0A|5V/2.0A<br>12V/0.5A|12V/0.5A|92%|
|UCP225PS48|48V|3.10A|4.69A|5V/1.0A<br>5V/2.0A|5V/2.0A<br>12V/0.5A|12V/0.5A|92%|



Notes: 

1. Requires 10CFM or optional top fan cover, -TF 

2. Minimum average efficiencies measured at 25%, 50%, 75% & 100% of 225 W load and 230 VAC input 

3. Add suffix -T for input and output screw terminals e.g. UCP225PS24-T 

   5. Add suffix -C for vented cover version e.g. UCP225PS24-C 

   6. Add suffix -A for optional 5V, 2A standby and remote on/off e.g. UCP225PS24-A 

   7. Typical voltage, actual regulated voltage will be in range of 10.5V to 11.1V 

   8. Regulation of the fan output requires a minimum load of 10W on the main output. 

4. Add suffix -TF for fan cover version e.g. UCP225PS24-TF 

AC-DC POWER SUPPLIES 

## UCP225 Series 

## **Summary** 

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Characteristic Minimum Typical Maximum Units Notes & Conditions<br>**----- End of picture text -----**<br>


|Characteristc|Minimum|Typical|Maximum|Units|Notes & Conditons|
|---|---|---|---|---|---|
|Input Voltage Range|85|115/230|264|VAC|Derate from 100% at 90VAC to 90% at 85VAC|
|No Load Input Power|||0.5|W||
|Effciency||94||%|Model dependent|
|Operating Temperature|-40||+70|°C|-40°C for 150 W load, -25°C for 225W load, see derating curve|
|EMC|EN55011/32 Level B Conducted & Level A Radiated, EN61000-3-2, EN61000-3-3|||||
|Safety Approvals|IEC62368-1, IEC60601-1, UL62368-1, EN60601-1|||||



## **Input** 

|Characteristc|Minimum|Typical|Maximum|Units|Notes & Conditons|
|---|---|---|---|---|---|
|Input Voltage - Operating|85|115/230|264|VAC|Derate output from 100% at 90VAC to 90% at 85VAC|
|Input Frequency|47|50/60|63|Hz||
|Power Factor||>0.9|||230VAC, 100% load. EN61000-3-2 class A, class C >145W|
|Input Current - Full Load||2.2/1.1||A|115/230VAC|
|Inrush Current||120||A|230VAC, cold start 25°C|
|Earth Leakage Current||80/140|230|μA||
|No Load Input Power|||0.5|W|When main input is inhibited|
|Input Protection|F3.15 A/250 V Internal fuse ftted in line and neutral|||||



## **Output - Main Output** 

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Characteristic Minimum Typical Maximum Units Notes & Conditions<br>**----- End of picture text -----**<br>


|Characteristc|Minimum|Typical|Maximum|Units|Notes & Conditons|
|---|---|---|---|---|---|
|Output Voltage - V1|12||48|VDC|See Models & Ratings table|
|Initial Set Accuracy|||±1|%|50% load, 115/230VAC|
|Minimum Load|0|||A|No minimum load required|
|Start Up Delay|||2|s|115/230VAC, full load|
|Hold Up Time|10|20/13||ms|Minimum at full load, 115VAC. Typical at 150W/225W|
|Drift|||±0.02|%|After 20 min warm up|
|Line Regulation|||±0.5|%|90-264VAC|
|Load Regulation|||±0.5|%|0-100% load|
|Transient Response|||4|%|Recovery within 1% in less than 500μs for a 50-75% and 75-50%<br>load step|
|Over/Undershoot||5|9|%|Full load|
|Ripple & Noise|||1|% pk-pk|20MHz bandwidth and 10μF electrolytic capacitator in parallel with<br>0.1μF ceramic capacitator|
|Overvoltage Protection|110||140|%|Vnom, recycle input to reset|
|Overload Protection|110||175|% I nom||
|Short Circuit Protection|||||Trip & restart|
|Temperature Coeffcient|||0.02|%/°C||
|Overtemperature Protection|||||Measured internally, auto resetting|



2 

AC-DC POWER SUPPLIES 

## UCP225 Series 

## **Output - Optional 5 V Standby Output** 

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Characteristic Minimum Typical Maximum Units Notes & Conditions<br>**----- End of picture text -----**<br>


|Characteristc|Minimum|Typical|Maximum|Units|Notes & Conditons|
|---|---|---|---|---|---|
|Output Voltage||5.0||VDC||
|Initial Set Accuracy|||±1|%|50% load, 115/230VAC|
|Minimum Load|0|||A|No minimum load required|
|Start Up Delay|||0.5|s|115/230VAC, full load|
|Hold Up Time|300|||ms|Minimum at full load, 115VAC. Typical at 150W/225W|
|Drift|||±0.02|%|After 20 min warm up|
|Line Regulation|||±0.5|%|90-264VAC|
|Load Regulation|||±0.5|%|0-100% load|
|Transient Response|||4|%|Recovery within 1% in less than 500μs for a 50-75% and 75-50%<br>load step|
|Over/Undershoot|||5|%|Full load|
|Ripple & Noise|||1.2|% pk-pk|20MHz bandwidth and 10μF electrolytic capacitator in parallel with<br>0.1μF ceramic capacitator|
|Overload Protection||2.4|4.0|A||
|Short Circuit Protection|||||Trip & restart|
|Temperature Coeffcient|||0.02|%/°C||
|Remote On/Off|Connect pin 3 of CN2 to pin 1 to turn main output off. Connect to pin 2 or leave open to turn main output on|||||



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General<br>Characteristic Minimum Typical Maximum Units Notes & Conditions<br>**----- End of picture text -----**<br>


|Characteristc<br>|Minimum|Typical|Maximum|Units|Notes & Conditons|
|---|---|---|---|---|---|
|Effciency||94||%|Model dependent|
|Isolation:  Input to Output<br>Input to Ground<br>Output to Ground|4000|||VAC|2 x MOPP|
||1500|||VAC|1 x MOPP|
||1500|||VAC|1 x MOPP|
|Switching Frequency|40||130|kHz|PFC|
||50||80|kHz|Main converter|
|||65||kHz|For optional standby output|
|Power Density|||12.2/8.1|W/in3|Forced/convection-cooled|
|Mean Time Between Failure||300||khrs|MIL-HDBK-217F, Notice 2 +25°C GB|
|Weight||0.71 (320)||lb (g)|For U channel version|



Specifications subject to change without notice. 

3 

AC-DC POWER SUPPLIES 

## UCP225 Series 

## **Efficiency Graphs** 

Efficiency vs Load 

## Figure 1 UCP225PS12 

Figure 2 UCP225PS12-A 

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**----- Start of picture text -----**<br>
100%  100%<br>95%  95%<br>90%  . 90%<br>85%  Forced-cooled 115VAC input  85%  Forced-cooled 115VAC input<br>230VAC input  230VAC input<br>80%  80%<br>75%  75%<br>70%  70%<br>10  20  30  40  50  60  70  80  90  100  10  20  30  40  50  60  70  80  90  100<br>Load (%)  Load (%)<br>Figure 4<br>UCP225PS24 UCP225PS24-A<br>100%  100%<br>95%  95%<br>90%  90%<br>Forced-cooled : 115VAC input  Forced-cooled 115VAC input<br>85%  85%<br>230VAC input  230VAC input<br>80%  80%<br>75%  75%<br>70%  70%<br>10  20  30  40  50  60  70  80  90  100  10  20  30  40  50  60  70  80  90  100<br>Load (%)  Load (%)<br>Efficiency  Efficiency<br>Efficiency<br>**----- End of picture text -----**<br>


## Figure 3 UCP225PS24 

## **Environmental** 

|Characteristic<br>Operating Temperature|Minimum<br>-40|Typical|Maximum<br>+70|Units<br>°C|Notes & Conditions<br>-40°C for 150W load, -25°C for 225W load. See derating curves,<br>figures 5 and 6|
|---|---|---|---|---|---|
|Storage Temperature|-40||+85|°C||
|Cooling|10|||CFM|Forced-cooled >150W|
|Humidity|5||95|%RH|Non-condensing|
|Operating Altitude|||5000/4000|m<br>ITE/Medical|ITE/Medical|
|Shock|3 x 30g shocks in each plane, total 18 shocks. 30g = 11ms (+/- 0.5msecs), half sine. Conforms to EN60068-2-27|||||
|Vibration|Single axis 10-500 Hz at 2g sweep and endurance at resonance in all 3 planes. Conforms to EN60068-2-6|||||



4 

AC-DC POWER SUPPLIES 

## UCP225 Series 

## **Applications Notes** 

Temperature Derating Curves 

## Figure 5 150W Convection Cooled 

Figure 6 225W Forced Cooled 

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150 225<br>75 112<br>8 i) € !t 1 8v '1<br>0 0<br>-40 -20 0 +50 +70 -25 -20 0 +50 +70<br>Ambient Temperature (ºC) Ambient Temperature (ºC)<br>met met<br>Output Load (W) Output Load (W)<br>para para<br>**----- End of picture text -----**<br>


## **EMC: Emissions** 

|Phenomenon<br>Conducted|Standard<br>EN55011/32|Test Level<br>Class B|Notes & Conditions|
|---|---|---|---|
|Radiated|EN55011/32|Class A|Class B with King Core ferrites: Output cable: KCF-130-B,<br>Input cable for 150W load: K5B RC 14x28.5x7-M for all models with<br>additional KCF-130-B on 48V version. Input cable for 225W load: K5B<br>RC 14x28.5x7-M plus KCF-130-B.|
|Harmonic Current|EN61000-3-2|Class A|Meets Class C for loads above 145W|
|Voltage Functions|EN61000-3-3|||



Specifications subject to change without notice. 

5 

AC-DC POWER SUPPLIES 

## UCP225 Series 

## **EMC: Immunity** 

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**----- Start of picture text -----**<br>
Phenomenon Standard Test Level Criteria Notes & Conditions<br>**----- End of picture text -----**<br>


|Phenomenon|Standard|Test Level|Criteria|Notes & Conditons|
|---|---|---|---|---|
|Medical Device EMC|IEC60601-1-2|Ed.4.0|as below||
|Low Voltage PSU EMC|EN61204-3|High severity level|as below||
|ESD|EN61000-4-2|4|A|±8kV contact, ±15kV air|
|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||
|Magnetic Fields|EN61000-4-8|4|A||
|Dips and Interruptions|EN55035<br>(100VAC)|Dip >95% (0VAC), 8.3ms|A||
|||Dip 30% (70VAC), 416ms|A||
|||Dip >95% (0VAC), 4160ms|B||
||EN55035<br>(240VAC)|Dip >95% (0VAC), 10.0ms|A||
|||Dip 30% (168VAC), 500ms|A||
|||Dip >95% (0VAC), 5000ms|B||
||EN60601-1-2<br>(100VAC)|Dip 100% (0VAC), 10.0ms|A||
|||Dip 100% (0VAC), 20ms|B|Performance criteria A <60W for 15V & 18V versions, <100W for<br>others|
|||Dip 60% (40VAC), 100ms|A|Derate Output Power to 40W|
|||Dip 30% (70VAC), 500ms|A||
|||Dip 100% (0VAC), 5000ms|B||
||EN60601-1-2<br>(240VAC)|Dip 100% (0VAC), 10.0ms|A||
|||Dip 100% (0VAC), 20ms|B|Performance criteria A <60W for 15V & 18V versions, <100W for<br>others|
|||Dip 60% (96VAC), 100ms|A||
|||Dip 30% (168VAC), 500ms|A||
|||Dip 100% (0VAC), 5000ms|B||



|**Safety Approvals**|||
|---|---|---|
|Certfcaton|Standard|Notes & Conditons|
|CB|IEC62368-1|Information Technology|
||IEC60601-1 Ed 3.1 Including Risk Management|Medical|
|UL|CSA 22.2 No.62368-1-11, UL62368-1|Information Technology|
||ES60601-1|Medical|
|TUV|EN62368-1|Information Technology|
||EN60601-1|Medical|
|CE|Meets all applicable directives||
|UKCA|Meets all applicable legislation||
|Isolaton|Level|Notes & Conditons|
|Primary to Secondary|2 x MOPP (Means of Patient Protection)|IEC60601-1|
|Primary to Earth|1 x MOPP (Means of Patient Protection)|IEC60601-1|
|Secondary to Earth|1 x MOPP (Means of Patient Protection) @ 48VDC|IEC60601-1|



6 

AC-DC POWER SUPPLIES 

## UCP225 Series 

## **Mechanical Details** 

Standard U-Channel Version 

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**----- Start of picture text -----**<br>
0.55 3.90 (99.0) 0.55<br>(14.0) (14.0)<br>1.18<br>(29.9)<br>0.70<br>(17.8)<br>M3 x 0.5 moun�ng holes (in 2 posi�ons) Optonal Standby Output & onal Standby Output &<br>0.27 5.00 (127.0) Remote On/Of f  Version, -A<br>(7.0)<br>3.90 (99.0)<br>Q1<br>1<br>2.57 L4 1<br>(65.3) 3.12 CN2 CN2<br>(79.3)<br>CN1 31 C2 8 11<br>TR1 C51 21 CN3 21 CN3<br>M3 x 0.5 moun�ng holes (in 4 posi�ons)<br>0.27<br>3.90 (99.0)<br>(7.0)<br>M3 x 0.5 moun�ng holes (in 2 posi�ons)<br>**----- End of picture text -----**<br>


**Optonal Standby Output & onal Standby Output & Remote On/Of** f **Version, -A** 

|CN1 - Input Connector|CN3 - Fan Connector|
|---|---|
|Pin<br>Single|Pin<br>Single|
|1<br>Neutral|1<br>Fan -|
|2<br>No Fitted|2<br>Fan +|
|3<br>Line|Mates with Molex housing|
|Mates with JST housing|22-01-1022 and 2759|
|VHR-3N and JST Series|crimp terminals|
|SVH-21T-P1.1 crimp||
|terminals||



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CN2 - Output Connector  CN2 - Output Connector<br>for standard models optional -A version<br>Pin Single Pin Single<br>**----- End of picture text -----**<br>


||Pin|Single||Pin|Single|
|---|---|---|---|---|---|
||1|+Vout||1|+5V standby|
||2|+Vout||2|RTN|
||3|+Vout||3|Remote On/Off|
||4|+Vout||4|+Vout|
||5|-Vout||5|+Vout|
||6|-Vout||6|+Vout|
||7|-Vout||7|+Vout|
||8|-Vout||8|-Vout|
|Mates with JST housing||||9|-Vout|
|VHR-8N and JST Series||||10|-Vout|
|SVH-21T-P1.1 crimp||||11|-Vout|
|terminals||||||
||||Mates with JST housing|||
||||VHR-11N and JST Series|||
||||SVH-21T-P1.1 crimp|||
||||terminals|||



## **Notes:** 

1. All dimensions shown in inches (mm). Tolerance: ±0.02 (0.5) 

2. Weight: 0.71lbs (320g) approx. 

3. A kit is available containing the housings and crimps for CN1, CN2 and CN3 for the -A version with optional standby, order part ECP_UCP-A CON KIT 

Specifications subject to change without notice26 Jan 2022 . 

7 

AC-DC POWER SUPPLIES 

## UCP225 Series 

## **Mechanical Details** 

Covered Version (-C suffix) 

|||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|1.<br>(2|18<br>9.9)||3.90 (99.0)<br>M3 x 0.5 moun�ng holes (in 2 posi�ons)<br>M3 x 0.5 moun�ng holes (in 4 posi�ons)<br>0.55<br>(14.0)<br>1.41<br>(35.9)<br>0.55<br>(14.0)<br>5.00 (127.0)<br>3.90 (99.0)<br>3.90 (99.0)<br>3.12<br>(79.3)<br>CN1|||||||||||||||||
|||||||||||||||||||||
||||||||||1.41<br>(35.9)|||||||||||
||0.70<br>(17.8)|||||||||||||||||||
|||||||||||||||||||||
||0.27<br>(7.0)<br>0.27<br>(7.0)<br>2.57<br>(65.3)|||||||||||||||||||
|||||3.90 (99.0)||||||||||||||||
|||||||||||||||||||||
||||||||||3.12<br>(79.3)|||||||||||
|||||||||||||||||||||
|||||||||||||||||||||
|||||||||||||||||||||
|||||||||||||||||||||
|||||M3 x 0.5 moun�ng h<br>3.90 (99.0)||oles (in 4 posi�ons)||||||||||||||
|||||||||||||||||||||
|||||||||||||||||||||
|||||||||||||||||||||
|||||||les (in 2 posi�ons)<br>CN3 - Fan Connector<br>Pin<br>Single<br>1<br>Fan -<br>2<br>Fan +<br>Mates with Molex housing<br>22-01-1022 and 2759<br>crimp terminals||||||||CN<br>f<br>Pi<br>1<br>2<br>3<br>4<br>5<br>6<br>7<br>8<br>Mat<br>VHR<br>SVH<br>term||||||
||CN1||- Input Connector||||CN3 - Fan Connector||||||||2 - Output Connector<br>or standard models|||CN2 - Output Connector<br>optonal -A version||
||Pin||Single||||Pin|Single||||||||||||
||||||||||||||||n<br>Single|||Pin|Single|
||1||Neutral||||1|Fan -||||||||||||
||2||No Fitted||||2|Fan +|||||||+Vout|||1|+5V standby|
||3||Line||||Mates with Molex housing<br>22-01-1022 and 2759<br>crimp terminals||||||||+Vout|||2|RTN|
||||||||||||||||+Vout|||3|Remote On/Off|
||||||||||||||||+Vout|||4|+Vout|
||||||||||||||||-Vout|||5|+Vout|
||||||||||||||||-Vout|||6|+Vout|
||||||||||||||||-Vout|||7|+Vout|
||||||||||||||||-Vout|||8|-Vout|
|||||||||||||||||||9|-Vout|
|||||||||||||||||||10|-Vout|
|||||||||||||||||||11|-Vout|



Optional Standby Output & Remote On/Off Version, -A 

## **Notes:** 

1. All dimensions shown in inches (mm). Tolerance: ±0.02 (0.5) 

2. Weight: 0.78lbs (355g) approx. 

3. A kit is available containing the housings and crimps for CN1, CN2 and CN3 for the -A version with optional standby, order part ECP225_UCP225-A CON KIT. 

8 

**AC-DC POWER SUPPLIES** 

## UCP225 Series 

## **Mechanical DetailsGeneral** 

Top Fan Version (-TF suffix) 

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**----- Start of picture text -----**<br>
0.55 3.90 0.55<br>1.18 (14.0) (99.0) (14.0)<br>(29.9)<br>2.01<br>1.41 (51.0)<br>0.70 (35.9)<br>(17.8)<br>M3 x 0.5 moun�ng holes (in 2 posi�ons)<br>5.00 (127.0)<br>0.27<br>(7.0) 3.90 (99.0)<br>2.57 3.12<br>(65.3) (79.3)<br>CN1<br>0.27 M3 x 0.5 moun�ng holes (in 4 posi�ons)<br>(7.0)<br>3.90 (99.0)<br>M3 x 0.5 moun�ng holes (in 2 posi�ons)<br>**----- End of picture text -----**<br>


Optional Standby Output & Remote On/Off Version, -A 

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**----- Start of picture text -----**<br>
CN2 CN2<br>CN3 CN3<br>**----- End of picture text -----**<br>


|CN1 - Input Connector<br>Pin<br>Single|CN3 - Fan Connector<br>Pin<br>Single|
|---|---|
|1<br>Neutral|1<br>Fan -|
|2<br>No Fitted|2<br>Fan +|
|3<br>Line|Mates with Molex housing|
|Mates with JST housing|22-01-1022 and 2759|
|VHR-3N and JST Series|crimp terminals|
|SVH-21T-P1.1 crimp||
|terminals||



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**----- Start of picture text -----**<br>
CN2 - Output Connector  CN2 - Output Connector<br>for standard models optional -A version<br>Pin Single Pin Single<br>**----- End of picture text -----**<br>


||Pin|Single||Pin|Single|
|---|---|---|---|---|---|
||1|+Vout||1|+5V standby|
||2|+Vout||2|RTN|
||3|+Vout||3|Remote On/Off|
||4|+Vout||4|+Vout|
||5|-Vout||5|+Vout|
||6|-Vout||6|+Vout|
||7|-Vout||7|+Vout|
||8|-Vout||8|-Vout|
|Mates with JST housing||||9|-Vout|
|VHR-8N and JST Series||||10|-Vout|
|SVH-21T-P1.1 crimp||||11|-Vout|
|terminals||||||
||||Mates with JST housing|||
||||VHR-11N and JST Series|||
||||SVH-21T-P1.1 crimp|||
||||terminals|||



## **Notes:** 

1. All dimensions shown in inches (mm). Tolerance: ±0.02 (0.5) 

2. Weight: 0.86lbs (390g) approx. 

3. A kit is available containing the housings and crimps for CN1, CN2 and CN3 for the -A version with optional standby, order part ECP225_UCP225-A CON KIT. 

Specifications subject to change without notice26 Jan 2022 . 

9 

AC-DC POWER SUPPLIES 

## UCP225 Series 

## **Thermal Considerations** 

In order to ensure safe operation of the PSU in the end-use equipment, the temperature of the components listed in the table below must not be exceeded. Temperature should be monitored using K type thermocouples placed on the hottest part of the component (out of direct air flow). See Mechanical Details for component locations. 

||Temperature Measurements (at Maximum Ambient)|Temperature Measurements (at Maximum Ambient)|
|---|---|---|
|Component|Max. Temperature °C||
|TR1 Coil||110°C|
|L4 Coil||120°C|
|Q1 Body||120°C|
|C2||105°C|
|C51||105°C|



## **Service Life** 

The estimated service life of the UCP225 is determined by the cooling arrangements and load conditions experienced in the end application. Due to the uncertain nature of the end application this estimated service life is based on the actual measured temperature of a key capacitor with in the product when installed by the end application. 

The graph below expresses the estimated lifetime of a given component temperature and assumes continuous operation at this temperature. 

## Estimated Service Life vs Component Temperature 

**==> picture [320 x 182] intentionally omitted <==**

**----- Start of picture text -----**<br>
80000<br>70000<br>60000<br>50000<br>C51 C2<br>40000<br>30000<br>20000<br>10000<br>0<br>105 95 85 75 65 55 45<br>C2 + C52 Temperature (ºC)<br>Lifetime (Hrs)<br>**----- End of picture text -----**<br>


10 

20 July 2022

Updated at February 9, 2023

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