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B0503S-1WR3 - Mornsun Power

Description: DC DC CONVERTER 3.3V 1W 1W, Fixed input voltage, isolated & unregulated single output

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Symbol
B0503S-1WR3 - Mornsun Power - PCB symbol
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PCB Footprints
B0503S-1WR3 - Mornsun Power PCB footprint - Other - Other - B0503S-1WR3-1
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3D Models
B0503S-1WR3 - Mornsun Power - 3D model - Other - B0503S-1WR3-1
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B0503S-1WR3 Details

  • Manufacturer Part Number:

    B0503S-1WR3

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    Module-4

  • ECCN Code:

    EAR99

  • Manufacturer:

    MORNSUN

  • YTEOL:

    6.2

  • Analog IC - Other Type:

    DC-DC UNREGULATED POWER SUPPLY MODULE

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PSMA-P4

  • Length:

    11.6 mm

  • Load Regulation-Max:

    20%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    4

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    MICROELECTRONIC ASSEMBLY

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Seated Height-Max:

    10.41 mm

  • Surface Mount:

    NO

  • Technology:

    HYBRID

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    PIN/PEG

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

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

    NOT SPECIFIED

  • Total Power Output-Max:

    1 W

  • Trim/Adjustable Output:

    NO

  • Width:

    6 mm

B0503S-1WR3 Frequently Asked Questions (FAQs)

  • MORNSUN recommends a PCB layout with a large copper area for heat dissipation, and a minimum of 2oz copper thickness. A thermal via array under the module can also improve heat dissipation.
  • MORNSUN recommends using a soldering iron with a temperature of 250°C to 270°C, and a soldering time of 3-5 seconds. A soldering flux with a low acidity level is also recommended.
  • The maximum allowable capacitance for the output filter capacitor is 220uF. Exceeding this value may cause instability or oscillation in the output voltage.
  • The B0503S-1WR3 is rated for operation up to 85°C ambient temperature. However, derating is required for temperatures above 70°C. Consult the datasheet for derating curves.
  • MORNSUN recommends using external overcurrent and overvoltage protection devices, such as fuses and TVS diodes, to protect the module from damage.

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B0503S-1WR3 Overview

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