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PSK-S20C-12 - CUI Inc.

Description: Switching Power Supplies ac-dc, 20 W, 12 Vdc, single output, encapsulated PCB

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PCB Footprints
PSK-S20C-12 - CUI Inc. PCB footprint - Other - Other - PSK-S20C-12-3
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3D Models
PSK-S20C-12 - CUI Inc.  - 3D model - Other - PSK-S20C-12-3
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PSK-S20C-12 Details

  • Manufacturer Part Number:

    PSK-S20C-12

  • Brand Name:

    CUI Inc

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • ECCN Code:

    EAR99

  • Date Of Intro:

    2019-05-18

  • Manufacturer:

    CUI Inc

  • YTEOL:

    0

  • Additional Feature:

    ALSO OPERATES 100 TO 370 VDC INPUT VOLTAGE

  • Analog IC - Other Type:

    AC-DC REGULATED POWER SUPPLY MODULE

  • Approvals:

    CE, EN, IEC, UL

  • Efficiency (Main Output):

    82%

  • Input Voltage-Max:

    264 V

  • Input Voltage-Min:

    85 V

  • Input Voltage-Nom:

    115 V

  • JESD-30 Code:

    R-XDMA-P4

  • Length:

    53.8 mm

  • Line Regulation-Max:

    0.5%

  • Load Regulation-Max:

    1%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    4

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.66 A

  • Output Voltage-Max:

    12.24 V

  • Output Voltage-Min:

    11.76 V

  • Output Voltage-Nom:

    12 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    DMA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    MICROELECTRONIC ASSEMBLY

  • Peak Reflow Temperature (Cel):

    265

  • Protections:

    OVER VOLTAGE, OVER CURRENT, SHORT CIRCUIT

  • Ripple Voltage (Main Out):

    0.04242 Vrms

  • Seated Height-Max:

    23.8 mm

  • Surface Mount:

    YES

  • Technology:

    HYBRID

  • Terminal Form:

    PIN/PEG

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    10

  • Total Power Output-Max:

    20 W

  • Trim/Adjustable Output:

    NO

  • Width:

    28.8 mm

PSK-S20C-12 Frequently Asked Questions (FAQs)

  • CUI recommends a PCB layout with a solid ground plane and thermal vias to dissipate heat. A minimum of 2 oz copper thickness is recommended. Additionally, ensure good airflow around the device and consider using a heat sink if operating in high-temperature environments.
  • To ensure reliable startup and shutdown, CUI recommends a soft-start circuit to limit inrush current. Additionally, ensure that the input voltage is within the specified range and that the output is properly decoupled with capacitors.
  • The maximum allowable capacitance on the output is 2200uF. Exceeding this value may cause instability or oscillation in the power supply.
  • Yes, the PSK-S20C-12 can be used in a redundant or parallel configuration, but it's essential to follow CUI's guidelines for synchronization and current sharing to ensure reliable operation.
  • The MTBF of the PSK-S20C-12 is approximately 550,000 hours at 25°C, calculated according to MIL-HDBK-217F.

Trust Checks

This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
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System Verified
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Community Approved
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PSK-S20C-12 Overview

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