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HMHA281 - onsemi

Description: Safety and Regulatory Approvals: ♦ UL1577, 3.750 VACRMS for 1 Minute ♦ DIN−EN/IEC60747−5−5, 565 V Peak Working Insulation Voltage; These Devices are Pb−Free and are RoHS Compliant; Compact 4−Pin Package: ♦ 2.4 mm Maximum Standoff Height ♦ Half−Pitch Leads for Optimum Board Space Savings

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Symbol
HMHA281 - onsemi - PCB symbol
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PCB Footprints
HMHA281 - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - MFP4 2.5X4.4
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3D Models
HMHA281 - onsemi - 3D model - Small Outline Packages - MFP4 2.5X4.4
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HMHA281 Details

  • Manufacturer Part Number:

    HMHA281

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MFP-4

  • Package Description:

    COMPACT, MINI-FLAT-4

  • Manufacturer Package Code:

    100AL

  • Country Of Origin:

    Thailand

  • HTS Code:

    8541.40.80.00

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    8

  • Additional Feature:

    UL RECOGNIZED

  • Coll-Emtr Bkdn Voltage-Min:

    80 V

  • Configuration:

    SINGLE

  • Current Transfer Ratio-Min:

    50%

  • Dark Current-Max:

    100 nA

  • Forward Current-Max:

    0.05 A

  • Forward Voltage-Max:

    1.3 V

  • Isolation Voltage-Max:

    3750 V

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Elements:

    1

  • On-State Current-Max:

    0.05 A

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -55 °C

  • Optoelectronic Device Type:

    TRANSISTOR OUTPUT OPTOCOUPLER

  • Packing Method:

    TUBE

  • Power Dissipation-Max:

    0.15 W

  • Response Time-Max:

    0.000003 s

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn) - annealed

HMHA281 Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended. The HMHA281 should be placed near a thermal pad or heat sink to ensure efficient heat dissipation.
  • Ensure proper heat sinking, use a thermal interface material (TIM) between the device and heat sink, and follow the recommended PCB layout guidelines. Also, consider using a thermocouple or temperature sensor to monitor the device temperature.
  • The maximum allowable voltage on the input pins is 5.5V, which is the absolute maximum rating. However, it's recommended to keep the input voltage below 5V to ensure reliable operation and minimize power consumption.
  • Yes, the HMHA281 is designed to operate in a wide range of humidity levels. However, it's recommended to follow proper PCB design and assembly guidelines to prevent moisture-related issues. Apply a conformal coating or use a moisture-resistant package if operating in extremely humid environments.
  • Use a logic analyzer or oscilloscope to monitor the input and output signals. Check the power supply voltage, input signal integrity, and output loading. Consult the datasheet and application notes for troubleshooting guidelines and common pitfalls to avoid.

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HMHA281 Overview

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For a full list of alternate parts for HMHA281, check out Findchips.com