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PS2581AL1-A - Renesas Electronics

Description: Support is limited to customers who have already adopted these products.The PS2581AL1, PS2581AL2 are optically coupled isolators containing a GaAs light emitting diode and an NPN silicon phototransistor in a plastic DIP (Dual In-line Package) to realize an excellent cost performance. Creepage distance and clearance of leads are over 8 millimeters. The PS2581AL2 is lead bending type (Gull-wing) for surface mounting.

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PS2581AL1-A - Renesas Electronics - PCB symbol
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PCB Footprints
PS2581AL1-A - Renesas Electronics PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 4PIN DIP
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PS2581AL1-A - Renesas Electronics - 3D model - Dual-In-Line Packages - 4PIN DIP
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PS2581AL1-A Details

  • Manufacturer Part Number:

    PS2581AL1-A

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Package Description:

    DIP-4

  • HTS Code:

    8541.40.80.00

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    3

  • Additional Feature:

    UL APPROVED, VDE APPROVED

  • Coll-Emtr Bkdn Voltage-Min:

    70 V

  • Configuration:

    SINGLE

  • Current Transfer Ratio-Min:

    50%

  • Dark Current-Max:

    100 nA

  • Forward Current-Max:

    0.03 A

  • Forward Voltage-Max:

    1.4 V

  • Isolation Voltage-Max:

    5000 V

  • JESD-609 Code:

    e6

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Elements:

    1

  • On-State Current-Max:

    0.03 A

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -55 °C

  • Optoelectronic Device Type:

    TRANSISTOR OUTPUT OPTOCOUPLER

  • Packing Method:

    MAGAZINE

  • Power Dissipation-Max:

    0.15 W

  • Response Time-Max:

    0.000003 s

  • Surface Mount:

    NO

  • Terminal Finish:

    TIN BISMUTH

PS2581AL1-A Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output traces short and away from each other to minimize noise and crosstalk.
  • Use a soft-start circuit to slowly ramp up the input voltage to prevent inrush currents. Also, ensure the input voltage is stable and within the recommended range before enabling the device.
  • The maximum allowed capacitance is 10uF. Exceeding this value may cause instability or oscillations in the output voltage.
  • Yes, but ensure the device is properly derated for temperature. The maximum junction temperature is 125°C, and the device should be derated by 1.5mA per °C above 25°C.
  • Check the input voltage, output voltage, and current consumption. Verify the PCB layout and component placement. Use an oscilloscope to check for noise and oscillations on the output.

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PS2581AL1-A Overview

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