CPFE1000FI-28/C

POWER SUPPLY, AC-DC, 28V, 36A

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: TDK-LAMBDA
Product type: AC / DC Enclosed Power Supplies
Power Supply Applications:ITE; No. of Outputs:1Outputs; Output Power Max:1.008kW; Output Voltage - Output 1:28V; Output Current - Output 1:36A; Output Voltage - Output 2 78X4860

Delivery and price
Units per pack	1
Price	987.45 €
Current stock	10+
Lead time	30 days

Datasheet

CPFE1000Fi Series 

720-1000W Conduction Cooled Power Supplies 

https://product.tdk.com/en/power/cpfe https://www.emea.lambda.tdk.com/uk/products/cpfe1000f 

The CPFE1000FI series industrial AC-DC power supplies offer output power up to 1008W in a conduction cooled low profile package.  Features include voltage and current programming, remote on/off, remote sense, a standby supply, i[2] C communication, and wide operating temperature range of -40°C to +70°C. The CPFE1000FI is designed to meet MIL-STD-810F vibration and shock. 

|**Features**|**Benefits**|
|---|---|
|• Smaller Size Than CPFE1000F|• Easier Integration For Industrial Systems|
|• Base Plate Cooled, No Fan Required|• Quiet Operation, Long Field Life|
|• Protective Coating Option|• Enables Use In Harsh Environments|
|• I2C Interface|• Allows Remote Monitoring|



## **Model Selector** 

|**Model Selector**|||||
|---|---|---|---|---|
||Nominal Output|Adjustment|Maximum|Max|
|Model|Voltage|Range|Current|Power|
||(V)|(V)|(A)|(W) @ 45°C|
|CPFE1000FI-12|12|9.6 - 14.4|60|720|
|CPFE1000FI-28|28|22.4 - 33.6|36|1008|
|CPFE1000FI-48|48|38.4 - 57.6|21|1008|



## **Part Numbering Scheme** 

|**CPFE1000FI**|**-**|**28**|**-**|
|---|---|---|---|
|Example: CPFE1000FI-28/CH<br>12, 28, 48V<br>Series Name<br>blank U channel, no cover or coating<br>/C<br>U channel and cover, no coating<br>/P<br>Pcb only, no U channel or cover<br>/H<br>Pcb coating||||



Example: CPFE1000FI-28/CH 

|**Output Power vs. Ambient Temperature**|**Output Power vs. Ambient Temperature(1)**|||||||
|---|---|---|---|---|---|---|---|
||Input|||Output Power (W)||||
|Model|Voltage|30°C|40°C|45°C|50°C|60°C|70°C|
|CPFE1000FI-12/H, /P, /PH, /C, /CH|CPFE1000FI-12/H, /P, /PH, /C, /CH<br>90V - 135Vac<br>170V - 265Vac|720<br>720|720<br>720|720<br>720|720<br>720|720<br>720|720<br>720|
|CPFE1000FI-28/H, /P, /PH|90V - 135Vac<br>170V - 265Vac|1008<br>1008|1008<br>1008|1008<br>1008|1008<br>1008|952<br>1008|896<br>1008|
|CPFE1000FI-28/C, /CH|90V - 135Vac<br>170V - 265Vac|1008<br>1008|952<br>1008|952<br>1008|896<br>1008|840<br>1008|784<br>1008|
|CPFE1000FI-48/H, /P, /PH|90V - 135Vac<br>70V - 265Vac|1008<br>1008|1008<br>1008|1008<br>1008|1008<br>1008|960<br>1008|864<br>1008|
|CPFE1000FI-48/C, /CH|90V - 135Vac<br>170V - 265Vac|1008<br>1008|960<br>1008|960<br>1008|912<br>1008|864<br>1008|816<br>1008|



CPFE1000Fi Series 

1 

**==> picture [517 x 34] intentionally omitted <==**

|**Specifcation**|**Specifcation**|**Specifcation**|**Specifcation**|**Specifcation**|
|---|---|---|---|---|
|Model<br>CPFE1000FI-12<br>CPFE1000FI-28<br>CPFE1000FI-48|||||
|**Input**|||||
|Input Voltage Range (Operating)|Vac|90 - 265<br>|||
|Nominal Input Voltage Range|Vac|100 - 240 (Note: Safety certifed for 90-264Vac only)|||
|Input Frequency|Hz|47 - 63|||
|Input Current  (110 / 220Vac)|A|13.6 / 6.6 (Model dependent)|||
|Inrush Current (110 / 220Vac)|A|23 / 46 peak|||
|Leakage Current (at 230Vac, 50Hz)|mA|<1.5|||
|Power Factor|-|0.95 typical (meets EN61000-3-2)|||
|Hold Up Time (typ) at 230Vac Input<br>|ms|20 @ 25°C and warmer|||
|Effciency (Typical, 100% load, 110 / 220Vac)|%|83 / 86|85 / 88|86 / 89|
|Conducted & Radiated EMI|-|Conducted: EN55032/EN55011 Class B, Radiated: Class A|||
|Immunity|-|See Immunity table|||
|Line Dip<br>|-|Complies with SEMI F47 (200Vac line only)|||
|Safety Certifcations and Markings|-|IEC/UL/CSA/EN62368-1, 60950-1, CE Mark and UKCA Mark|||



## **Immunity** 

|**Immunity**|**Immunity**|**Immunity**|**Immunity**|**Immunity**|
|---|---|---|---|---|
|Test|Standard|Test Level|Criteria|Notes|
|ESD|IEC 61000-4-2|±8 kV air discharge,<br>±4 kV contact discharge|B|See test report|
|Radiated Susceptibility|IEC 61000-4-3|10 V/m from 80-1000 MHz<br>(80% AM at 1kHz)|A||
|Electrical Fast Transient Burst|IEC 61000-4-4|Power line pulses of ± 2kV;<br>I/O line pulses of ± 1kV|B||
|Surge|IEC 61000-4-5|±2kV common mode,<br>±1kV differential mode|B||
|Conducted Susceptibility|IEC 61000-4-6|10 Vrms, 150 kHz - 80 MHz<br>1 kHz 80% AM|B||
|Magnetic felds|IEC 61000-4-8|Inductive loop at 50 Hz,<br>to 1.0 amps (rms) per meter|A||
|Voltage Dips and Input Interruptions|IEC 61000-4-11|Voltage Dips of 30% and >95%; Interruptions of >95%.|B / C||
|Ring Wave|IEC 61000-4-12|±1kV, ±2kV common mode surges.<br>±0.5kV, ±1kV differential mode surges.|B||
|Voltage Fluctuation|EN 61000-4-14|Level 3 ΔU=12% Un|A||



## **Specification** 

|**Specifcation**|**Specifcation**|**Specifcation**|**Specifcation**|**Specifcation**|
|---|---|---|---|---|
|Model<br>CPFE1000FI-12<br>CPFE1000FI-28<br>CPFE1000FI-48|||||
|**Output**|||||
|Line Regulation|mV|48|56|96|
|Load Regulation<br>|mV|48|56|96|
|Temperature Coeffcient|ppm/°C|200|||
|Ripple & Noise (20MHz BW) (2)|%|1 (2 below 0°C)|||
|Minimum Load|A|None|||
|Overcurrent Protection|%|105 - 140 (Automatic Recovery)|||
|Overvoltage Protection|%|125 - 145 (Automatic Recovery)|||
|Overtemperature Protection|°C|Shuts down between 90 - 115 (Auto Recovery)|||
|Remote Sense|-|Yes, compensates up to 500mV cable drop|||
|Remote On/Off (Opto Isolated)|-|High = ON|||
|Power On Signal (ENA)|-|Open Collector (10mA sink current). Low (on) when output is present|||
|Auxiliary Supply|-|10 - 14V, 20mA|||
|Parallel Operation|-|Yes, single wire|||
|Series Operation|-|Possible, see installation manual|||



CPFE1000Fi Series 

2 

## **Specification** 

|Model||CPFE1000FI-12|CPFE1000FI-28|CPFE1000FI-48|
|---|---|---|---|---|
|**Environmental**|||||
|Operating Temperature|°C|-40 to +70  ambient, (85 baseplate maximum) (see installation manual for derating)|||
|Storage Temperature|°C||-40 to +100||
|Humidity (non condensing)|%RH|Operating: 20 - 90, Non operating: 10 - 95 (PCB assembly protective coated)|||
|Cooling|-||Conduction cooled||
|Altitude|m||3000||
|Withstand Voltage|Vdc|Input to Ground 2121, Input to Output 4242, Output to Ground 500|Input to Ground 2121, Input to Output 4242, Output to Ground 500||
|Isolation Resistance|MΩ||>100 at 25°C, 70%RH & 500Vdc||
|Vibration (Non operating)|-|MIL-STD-810F, Method 514.5, Proc I, Category 4, 10|||
|Shock|-||MIL-STD-810F, Method 516.5, Procedure I, IV & VI||
|**Other**|||||
|Weight (Typ)|g||1240 (without cover)||
|Size (WxHxD)|mm||112 x 43 x 254 (262mm including AC connector)||
|Size (WxHxD)|Inches||4.4 x 1.69 x 9.9||
|MTBF - Telcordia|Hours|98,173 hours Method 1, Ground Benign, 25C, 100Vac input, 85C baseplate|||
|Warranty|Years||2||
||||||
|**I2C Interface**|||||
|Output Voltage Monitoring|||||
|Output Current Monitoring|||||
|Base Plate Temperature Monitoring|||||
|Remote On/Off Programming|||||
|IOG, DC Good, over temperature warning|||||
|Reading Manufacturing Related Data|||||



(1) Models mounted in the horizontal orientation. See instruction manual for alternative mounting positions and the corresponding derating guidelines. 

(2) Warm up period of 30 minutes below -30°C for ripple. Jeita RC-9131C Method, see instruction manual for test methods. 

## **Outline Drawing U Channel** 

CPFE1000Fi Series 

3 

## **Outline Drawing with Cover (/C)** 

**==> picture [292 x 293] intentionally omitted <==**

**----- Start of picture text -----**<br>
MOUNTING HOLES<br>M3 CLEARANCE<br> 32   175  [ 4 PLACES ]<br> 10.5  a| CyCBSSSPOOOSSSVSSOSSSSSSSeoeoesoCOOSArrrtr—————AUEENSUOSOOSSOSOOLAs ‘ L SIGNAL CONNECTORS<br>COSSSSOHOCGSHIIENSSSSSOSOOOGOOO<br>OVSSSSIOUSSSOOSODOSSSSSSVSOSOSO<br>OSSSSOHOSSCOSHOSSSeeeseNoGese<br>112   91  ~| SSOSSSOSVeNSsceeNesseeeeCCsseeSENTSSSSSOSSSOCDSSCSOSOOCOSESSOSUUISSSSOOOSIOSVSOOOOOOSSSOS @ [ac[12|fP>=4  -Vout<br>SSOLCIB IPOS DIO CSSCOOCSOOCOG) (©) OUTPUT BUS BARSM6x20mm STUD<br>BIICPIPOVSESUSSSVOSOSSSOSSOSSSSSCNOCCIOSPCCCCCCSS OO SOSOS p=BS<br>STema (©)  +Vout<br>-—Q OISOSOPDSOSOSOODOSOOSOOOOS © -_<br> 8   254<br> 43  — ——<br>CONDUCTION COOLED POWER SUPPLY:<br>720W TO 1000W<br>(SHOWN WITH OPTIONAL COVER)<br>12V (9.6V-14.4V)     @ 60A MAX.<br>28V (22.4V - 33.6V) @ 36A MAX.<br>48V (38.4V - 57.6V) @ 21A MAX.<br>**----- End of picture text -----**<br>


## **Outline Drawing Open Frame (/P)** 

**==> picture [278 x 280] intentionally omitted <==**

**----- Start of picture text -----**<br>
MOUNTING HOLES<br>M3 CLEARANCE<br> 32   175  [ 4 PLACES ]<br> 8<br>SIGNAL CONNECTORS<br>107   91<br>J ‘li | mata 42 ©  -Vout<br>OUTPUT BUS BARS<br>M6x20mm STUD<br> +Vout<br> 254<br>i<br> 40<br>CONDUCTION COOLED POWER SUPPLY:<br>720W TO 1000W<br>(/P OPTION SHOWN)<br>12V (9.6V-14.4V)     @ 60A MAX.<br>28V (22.4V - 33.6V) @ 36A MAX.<br>48V (38.4V - 57.6V) @ 21A MAX.<br>**----- End of picture text -----**<br>


CPFE1000Fi Series 

4 

## **TDK-Lambda France SAS** 

Tel: +33 1 60 12 71 65 tlf.fr-powersolutions@tdk.com www.emea.lambda.tdk.com/fr 

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Tel: +65 6251 7211 tls.marketing@tdk.com www.sg.lambda.tdk.com 

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Tel:   +91 80 4039-0660 mathew.philip@tdk.com www.sg.lambda.tdk.com 

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Tel: +44 (0) 12 71 85 66 66 tlu.powersolutions@tdk.com www.emea.lambda.tdk.com/uk 

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Tel: +9 723 902 4333 tli.powersolutions@tdk.com www.emea.lambda.tdk.com/il-en 

For Additional Information, please visit https://product.tdk.com/en/power/ 

CPFE1000Fi_260841_March 12th, 2024 V3 

CPFE1000Fi Series 

5

Updated at June 4, 2026

TDK-Lambda is globally recognized as a premier manufacturer of highly reliable power supply solutions and power management equipment. With a strong engineering heritage, the company is a trusted partner for mission-critical applications across the industrial, medical, telecommunications, and test and measurement sectors, delivering components that meet stringent international performance and safety standards. Our extensive portfolio of TDK-Lambda products is heavily focused on comprehensive power and line protection, highlighted by a vast selection of industry-leading AC/DC converters. Engineered to deliver exceptional efficiency and stable performance in demanding environments, these power supplies form the backbone of our offering and are built to support the rigorous power demands of modern electronic infrastructure. To complement these primary power solutions, we also offer a targeted range of high-performance DC/DC converters designed for precise, board-level voltage regulation. Furthermore, to ensure the optimal performance and longevity of these power systems, our catalog includes specialized cooling and thermal management components, such as natural convection heat sinks, providing complete thermal stability for your most critical designs.

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