Power Supplies


A simplified consideration of the electrical design of power supplies allows to consider them as a device with an input side and an output side. The input side and the output side are electrically isolated against each other.


Power supplies are categorized in various ways:

  • Functional: Regulated, Unregulated, Adjustable and Isolated power supplies.
  • Packaging: Bench, Open frame, Rack mount, Integral, External power supplies
  • Power Conversion Method: Linear and Switching types.

There are two types of power supplies available, AC and DC power supply. Based on the electrical device’s electric specifications it may use AC power or DC power.

DC Types

  • AC-DC Power Supply
  • Switch-Mode Power Supply
  • Linear Regulator

AC Type

  • Single Phase
  • Three Phase

Programmable Power Supplies

Uninterruptible Power Supply (UPS)


Switch Mode Power Supplies (SMPS) became particularly accepted in the field of industrial applications. Their ability to accept almost any input voltage, their high efficiency and their compact design make these power supplies a first class choice for the engineering of new or the extension of existing installations.


The safety of persons and installation equipment is a major aspect even for power supplies. The requirements to be fulfilled in order to guarantee this safety are specified by standardized regulations:

  • Safety: Electrical isolation, Insulation, Grounding etc
  • Approvals and Marks: UL, CE etc
  • Standards: IEC/EN, CENELEC etc

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  Manufacturer Part No Newark Part No. Manufacturer / Description
Availability Price for:
Price
Quantity
DSP60-24
DSP60-24 - AC/DC DIN Rail Power Supply (PSU), 1 Output, 60 W, 24 VDC, 2.5 A

39M5721

AC/DC DIN Rail Power Supply (PSU), 1 Output, 60 W, 24 VDC, 2.5 A

TDK-LAMBDA

AC-DC CONVERTER, DIN RAIL, 1 O/P, 60W, 2.5A, 24V; Power Supply Approvals:ITE; No. of Outputs:1 Output; Output Power Max:60W; Output Voltage - Output 1:24VDC; Output Current - Output 1:2.5A; Output Voltage - Output 2:-; Height:91mm RoHS Compliant: Yes

848 in stock

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848 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

  • 147 more will be available on 23/11/20
  • More stock available week commencing 15/03/21

    Restricted Item
    LS10024
    LS10024 - AC/DC Enclosed Power Supply (PSU), 1 Outputs, 100 W, 24 V, 4.5 A

    08N2989

    AC/DC Enclosed Power Supply (PSU), 1 Outputs, 100 W, 24 V, 4.5 A

    TDK-LAMBDA

    AC-DC CONVERTER, ENCLOSED, 1 O/P, 100W, 4.5A, 24V; Power Supply Approvals:ITE; No. of Outputs:1Outputs; Output Power Max:100W; Output Voltage - Output 1:24V; Output Current - Output 1:4.5A; Output Voltage - Output 2:-; Height:38.1mm RoHS Compliant: Yes

    Available for back order

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  • 500 more will be available on 21/10/20
  • More stock available week commencing 19/04/21 Contact me when back in stock

    Restricted Item
    LS25-12
    LS25-12 - AC/DC Enclosed Power Supply (PSU), 1 Outputs, 25 W, 12 V, 2.1 A

    10R7004

    AC/DC Enclosed Power Supply (PSU), 1 Outputs, 25 W, 12 V, 2.1 A

    TDK-LAMBDA

    AC-DC CONVERTER, ENCLOSED, 1 O/P, 25W, 2.1A, 12V; Power Supply Approvals:ITE; No. of Outputs:1Outputs; Output Power Max:25W; Output Voltage - Output 1:12V; Output Current - Output 1:2.1A; Output Voltage - Output 2:-; Height:27.94mm RoHS Compliant: Yes

    681 in stock

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    681 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

  • 1,000 more will be available on 21/10/20
  • More stock available week commencing 08/02/21

    Restricted Item
    28-19381
    28-19381 - AC/DC Power Supply, ITE, 1 Output, 36 W, 12 VDC, 3 A

    25AC5053

    AC/DC Power Supply, ITE, 1 Output, 36 W, 12 VDC, 3 A

    PRO ELEC

    12VDC 3A Regulated AC Power Adapter; Power Supply Approvals:ITE; No. of Outputs:1 Output; Output Power Max:36W; Output Voltage - Output 1:12VDC; Output Current - Output 1:3A; Output Voltage - Output 2:-; Output Current - Output 2:- RoHS Compliant: Yes

    946 in stock

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    More stock available week commencing 25/01/21

    Restricted Item
    LS25-5
    LS25-5 - AC/DC Enclosed Power Supply (PSU), 1 Outputs, 25 W, 5 V, 5 A

    06R2927

    AC/DC Enclosed Power Supply (PSU), 1 Outputs, 25 W, 5 V, 5 A

    TDK-LAMBDA

    AC-DC CONVERTER, ENCLOSED, 1 O/P, 25W, 5A, 5V; Power Supply Approvals:ITE; No. of Outputs:1Outputs; Output Power Max:25W; Output Voltage - Output 1:5V; Output Current - Output 1:5A; Output Voltage - Output 2:-; Height:27.94mm RoHS Compliant: Yes

    825 in stock

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    More stock available week commencing 01/02/21

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    AFM45US12
    AFM45US12 - AC/DC Power Supply, ITE & Medical, 1 Output, 48 W, 12 V, 4 A

    24T5117

    AC/DC Power Supply, ITE & Medical, 1 Output, 48 W, 12 V, 4 A

    XP POWER

    ADAPTOR, AC-DC, MEDICAL, 12V, 4A; Power Supply Approvals:ITE & Medical; No. of Outputs:1 Output; Output Power Max:48W; Output Voltage - Output 1:12V; Output Current - Output 1:4A; Output Voltage - Output 2:-; Product Range:AFM SeriesRoHS Compliant: Yes

    180 in stock

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    More stock available week commencing 12/04/21

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    ECL15US12-S
    ECL15US12-S - AC/DC Enclosed Power Supply (PSU), 1 Outputs, 15 W, 12 V, 1.25 A

    52R2694

    AC/DC Enclosed Power Supply (PSU), 1 Outputs, 15 W, 12 V, 1.25 A

    XP POWER

    AC-DC CONVERTER, ENCLOSED, 1 O/P, 15W, 1.25A, 12V, SCREW TERMINAL; Power Supply Approvals:ITE; No. of Outputs:1Outputs; Output Power Max:15W; Output Voltage - Output 1:12V; Output Current - Output 1:1.25A; Output Voltage - Output 2:-RoHS Compliant: Yes

    136 in stock

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    More stock available week commencing 08/03/21

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    LS15024
    LS15024 - AC/DC Enclosed Power Supply (PSU), 1 Outputs, 150 W, 24 V, 6.5 A

    08N2996

    AC/DC Enclosed Power Supply (PSU), 1 Outputs, 150 W, 24 V, 6.5 A

    TDK-LAMBDA

    AC-DC CONVERTER, ENCLOSED, 1 O/P, 150W, 6.5A, 24V; Power Supply Approvals:ITE; No. of Outputs:1Outputs; Output Power Max:150W; Output Voltage - Output 1:24V; Output Current - Output 1:6.5A; Output Voltage - Output 2:-; Height:38.1mm RoHS Compliant: Yes

    688 in stock

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    688 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

    More stock available week commencing 19/04/21

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    DSP30-24
    DSP30-24 - AC/DC DIN Rail Power Supply (PSU), 1 Output, 31.2 W, 24 VDC, 1.3 A

    39M5717

    AC/DC DIN Rail Power Supply (PSU), 1 Output, 31.2 W, 24 VDC, 1.3 A

    TDK-LAMBDA

    AC-DC CONVERTER, DIN RAIL, 1 O/P, 31.2W, 1.3A, 24V; Power Supply Approvals:ITE; No. of Outputs:1 Output; Output Power Max:31.2W; Output Voltage - Output 1:24VDC; Output Current - Output 1:1.3A; Output Voltage - Output 2:-; Width:53mmRoHS Compliant: Yes

    329 in stock

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    329 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

  • 46 more will be available on 13/01/21
  • 168 more will be available on 02/02/21
  • More stock available week commencing 15/03/21

    Restricted Item
    LS25-24
    LS25-24 - AC/DC Enclosed Power Supply (PSU), 1 Outputs, 25 W, 24 V, 1.1 A

    06R2924

    AC/DC Enclosed Power Supply (PSU), 1 Outputs, 25 W, 24 V, 1.1 A

    TDK-LAMBDA

    AC-DC CONVERTER, ENCLOSED, 1 O/P, 25W, 1.1A, 24V; Power Supply Approvals:ITE; No. of Outputs:1Outputs; Output Power Max:25W; Output Voltage - Output 1:24V; Output Current - Output 1:1.1A; Output Voltage - Output 2:-; Height:27.94mm RoHS Compliant: Yes

    456 in stock

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    456 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

    More stock available week commencing 08/02/21

    Restricted Item
    28-19376
    28-19376 - AC/DC Power Supply, ITE, 1 Output, 24 W, 12 VDC, 2 A

    25AC5052

    AC/DC Power Supply, ITE, 1 Output, 24 W, 12 VDC, 2 A

    PRO ELEC

    12VDC 2A Regulated AC Power Adapter; Power Supply Approvals:ITE; No. of Outputs:1 Output; Output Power Max:24W; Output Voltage - Output 1:12VDC; Output Current - Output 1:2A; Output Voltage - Output 2:-; Output Current - Output 2:- RoHS Compliant: Yes

    1,157 in stock

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    1,157 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

    More stock available week commencing 25/01/21

    Restricted Item
    VCT60US12
    VCT60US12 - AC/DC Open Frame Power Supply (PSU), 1 Output, 60 W, 85V AC to 264V AC, Fixed, 12 V

    04R9678

    AC/DC Open Frame Power Supply (PSU), 1 Output, 60 W, 85V AC to 264V AC, Fixed, 12 V

    XP POWER

    AC-DC CONVERTER, OPEN FRAME, 1 O/P, 60W, 6.3A, 12V; Power Supply Approvals:ITE; No. of Outputs:1 Output; Power Rating (Convection Cooling):60W; Power Rating (Forced Cooling):-; Input Voltage VAC:85V AC to 264V AC; Depth:101.6mm RoHS Compliant: Yes

    214 in stock

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    214 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

    More stock available week commencing 08/02/21

    Restricted Item
    MC141025
    MC141025 - AC/DC Power Supply, 1 Output, 17.7 W, 5.9 V, 3 A

    02AC7203

    AC/DC Power Supply, 1 Output, 17.7 W, 5.9 V, 3 A

    MULTICOMP

    ADAPTOR, AC-DC, 6V, 3A; Power Supply Approvals:ITE; No. of Outputs:1 Output; Output Power Max:17.7W; Output Voltage - Output 1:5.9V; Output Current - Output 1:3A; Output Voltage - Output 2:-; Output Current - Output 2:-; Plug Type:USRoHS Compliant: Yes

    189 in stock

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    189 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

    More stock available week commencing 25/01/21

    Restricted Item
    VLA106-15242
    VLA106-15242 - Isolated Board Mount DC/DC Converter, ITE, 1 Output, 2.4 W, 24 V, 100 mA

    20K4388

    Isolated Board Mount DC/DC Converter, ITE, 1 Output, 2.4 W, 24 V, 100 mA

    POWEREX

    DC-DC CONVERTER, ISO POL, 1 O/P, 2.4W, 100mA, 24V; Power Supply Approvals:ITE; No. of Outputs:1 Output; Output Power Max:2.4W; Output Voltage - Output 1:24V; Output Current - Output 1:100mA; Output Voltage - Output 2:-; Width:18mm RoHS Compliant: Yes

    554 in stock

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    554 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

    More stock available week commencing 05/04/21

    Restricted Item
    501
    501 - AC/DC Power Supply, ITE, 1 Output, 5.25 W, 5.25 V, 1 A

    44W4932

    AC/DC Power Supply, ITE, 1 Output, 5.25 W, 5.25 V, 1 A

    ADAFRUIT

    USB PORT POWER SUPPLY (AC ADAPTER), 5V, 1A (1000mA); Power Supply Approvals:ITE; No. of Outputs:1 Output; Output Power Max:5.25W; Output Voltage - Output 1:5.25V; Output Current - Output 1:1A; Output Voltage - Output 2:- RoHS Compliant: Yes

    651 in stock

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    651 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

    More stock available week commencing 19/10/20

    Restricted Item
    MC141023
    MC141023 - AC/DC Power Supply, 1 Output, 18 W, 9 V, 2 A

    02AC7201

    AC/DC Power Supply, 1 Output, 18 W, 9 V, 2 A

    MULTICOMP

    ADAPTOR, AC-DC, 9V, 2A; Power Supply Approvals:ITE; No. of Outputs:1 Output; Output Power Max:18W; Output Voltage - Output 1:9V; Output Current - Output 1:2A; Output Voltage - Output 2:-; Output Current - Output 2:-; Product Range:- RoHS Compliant: Yes

    353 in stock

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    353 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

    More stock available week commencing 25/01/21

    Restricted Item
    LS5012
    LS5012 - AC/DC Enclosed Power Supply (PSU), 1 Outputs, 50 W, 12 V, 4.2 A

    08N3001

    AC/DC Enclosed Power Supply (PSU), 1 Outputs, 50 W, 12 V, 4.2 A

    TDK-LAMBDA

    AC-DC CONVERTER, ENCLOSED, 1 O/P, 50W, 4.2A, 12V; Power Supply Approvals:ITE; No. of Outputs:1Outputs; Output Power Max:50W; Output Voltage - Output 1:12V; Output Current - Output 1:4.2A; Output Voltage - Output 2:-; Height:35.56mm RoHS Compliant: Yes

    284 in stock

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    284 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

    More stock available week commencing 19/04/21

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    LS-DIN1
    LS-DIN1 - Power Supply Accessory, Mounting Plate, LS25, LS35, LS50 Series

    41R6818

    Power Supply Accessory, Mounting Plate, LS25, LS35, LS50 Series

    TDK-LAMBDA

    MOUNTING PLATE; For Use With:LS25, LS35, LS50 Series; Accessory Type:Mounting Plate; Product Range:LS Series RoHS Compliant: Yes

    233 in stock

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    233 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

    More stock available week commencing 15/03/21

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    MC141027
    MC141027 - AC/DC Power Supply, 1 Output, 48 W, 18 V, 2.67 A

    02AC7205

    AC/DC Power Supply, 1 Output, 48 W, 18 V, 2.67 A

    MULTICOMP

    ADAPTOR, AC-DC, 18V, 2.67A; Power Supply Approvals:ITE; No. of Outputs:1 Output; Output Power Max:48W; Output Voltage - Output 1:18V; Output Current - Output 1:2.67A; Output Voltage - Output 2:-; Output Current - Output 2:- RoHS Compliant: Yes

    119 in stock

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    More stock available week commencing 25/01/21

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    CC32405SFE
    CC32405SFE - Isolated Board Mount DC/DC Converter, 1 Output, 3 W, 5 V, 600 mA

    05M6998

    Isolated Board Mount DC/DC Converter, 1 Output, 3 W, 5 V, 600 mA

    TDK-LAMBDA

    DC-DC CONVERTER, ISO POL, 1 O/P, 3W, 600mA, 5V; Power Supply Approvals:ITE; No. of Outputs:1 Output; Output Power Max:3W; Output Voltage - Output 1:5V; Output Current - Output 1:600mA; Output Voltage - Output 2:-; Width:22.86mm RoHS Compliant: Yes

    3,188 in stock

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    3,188 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

    More stock available week commencing 05/04/21

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    TEN 5-2411
    TEN 5-2411 - Isolated Board Mount DC/DC Converter, 1 Output, 6 W, 5 V, 1 A

    51R4963

    Isolated Board Mount DC/DC Converter, 1 Output, 6 W, 5 V, 1 A

    TRACO POWER

    DC-DC CONVERTER, ISO POL, 1 O/P, 6W, 1A, 5V; Power Supply Approvals:ITE; No. of Outputs:1 Output; Output Power Max:6W; Output Voltage - Output 1:5V; Output Current - Output 1:1A; Output Voltage - Output 2:-; Input Voltage DC Min:18V RoHS Compliant: Yes

    706 in stock

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    706 in stock for same day shipping: Order before 5:45 pm EST (Mon – Fri. Excluding National Holidays)

  • 150 more will be available on 15/11/20
  • More stock available week commencing 28/12/20

    Restricted Item
    OKL-T/3-W12P-C
    OKL-T/3-W12P-C - Non Isolated POL DC/DC Converter, 15 W, 591 mV, 5.5 V, 3 A, Adjustable

    10R4023

    Non Isolated POL DC/DC Converter, 15 W, 591 mV, 5.5 V, 3 A, Adjustable

    MURATA POWER SOLUTIONS

    DC-DC CONVERTER, NON ISO POL, 1 O/P, 15W, 3A; Power Supply Approvals:ITE; Output Power Max:15W; Output Voltage Min:591mV; Output Voltage Max:5.5V; Output Current Max:3A; DC / DC Converter Output Type:Adjustable; Height:6.2mm RoHS Compliant: Yes

    302 in stock

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    More stock available week commencing 07/12/20

    Restricted Item
    ECP40UT01
    ECP40UT01 - AC/DC Open Frame Power Supply (PSU), ITE & Medical, 3 Output, 40 W, 85V AC to 264V AC

    52R2737

    AC/DC Open Frame Power Supply (PSU), ITE & Medical, 3 Output, 40 W, 85V AC to 264V AC

    XP POWER

    POWER SUPPLY, AC-DC, MEDICAL, 3O/P, 40W; Power Supply Approvals:ITE & Medical; No. of Outputs:3 Output; Power Rating (Convection Cooling):40W; Power Rating (Forced Cooling):-; Input Voltage VAC:85V AC to 264V AC; Height:22mm RoHS Compliant: Yes

    210 in stock

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    MC141030
    MC141030 - AC/DC Power Supply, 1 Output, 69 W, 15 V, 4.6 A

    02AC7208

    AC/DC Power Supply, 1 Output, 69 W, 15 V, 4.6 A

    MULTICOMP

    ADAPTOR, AC-DC, 15V, 4.6A; Power Supply Approvals:ITE; No. of Outputs:1 Output; Output Power Max:69W; Output Voltage - Output 1:15V; Output Current - Output 1:4.6A; Output Voltage - Output 2:-; Output Current - Output 2:- RoHS Compliant: Yes

    433 in stock

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    VCP15US12
    VCP15US12 - AC/DC PCB Mount Power Supply (PSU), ITE & Medical, 1 Output, 15 W, 12 V, 1.25 A

    04R9672

    AC/DC PCB Mount Power Supply (PSU), ITE & Medical, 1 Output, 15 W, 12 V, 1.25 A

    XP POWER

    POWER SUPPLY, AC-DC, MEDICAL, 12V, 1.25A; Power Supply Approvals:ITE & Medical; No. of Outputs:1 Output; Output Power Max:15W; Output Voltage - Output 1:12V; Output Current - Output 1:1.25A; Output Voltage - Output 2:-; Width:38mm RoHS Compliant: Yes

    5,646 in stock

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