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HE751A0500 - LITTELFUSE

Description: Reed Relay 5VDC 500Ohm 0.5A SPST-NO(19.5x9.52x5.5)mm THT Dry

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PCB Footprints
HE751A0500 - LITTELFUSE PCB footprint - Other - Other - HE751A0500-2
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3D Models
HE751A0500 - LITTELFUSE  - 3D model - Other - HE751A0500-2
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HE751A0500 Details

  • Manufacturer Part Number:

    HE751A0500

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • ECCN Code:

    EAR99

  • HTS Code:

    8536.49.00.50

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    0

  • Body Breadth:

    7.22 mm

  • Body Height:

    5.5 mm

  • Body Length or Diameter:

    201.4 mm

  • Coil Current(DC)-Max:

    0.01 A

  • Coil Operate Voltage(DC):

    3.75 V

  • Coil Power:

    50 mW

  • Coil Release Voltage(DC):

    0.5 V

  • Coil Resistance:

    500 Ω

  • Coil Voltage(DC)-Max:

    12 V

  • Coil Voltage-Nom:

    5 V

  • Coil/Input Supply Type:

    DC

  • Contact (AC) Max Rating R Load:

    0.35A@265VAC

  • Contact Current(AC)-Max:

    0.35 A

  • Contact Current(DC)-Max:

    0.5 A

  • Contact (DC) Max Power Rating R Load:

    10W@300VDC

  • Contact (DC) Max Rating R Load:

    0.5A@300VDC

  • Contact Resistance:

    150 mΩ

  • Contact Voltage(AC)-Max:

    265 V

  • Contact Voltage(DC)-Max:

    300 V

  • Contact/Output Supply Type:

    AC/DC

  • Input Switching Control Type:

    Random

  • Insulation Resistance:

    10000000000 Ω

  • Mounting Feature:

    THROUGH HOLE-STRAIGHT

  • Number of Terminals:

    4

  • Operate Time:

    1 ms

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Packing Method:

    BULK

  • Reference Standard:

    CUL; UL

  • Relay Action:

    MOMENTARY

  • Relay Form:

    1 FORM A

  • Relay Function:

    SPST

  • Relay Type:

    DRY REED RELAY

  • Release Time:

    1 ms

  • Sealing:

    HERMETICALLY SEALED

  • Surface Mount:

    NO

  • Terminal Length:

    0.002999745999491999 inch

  • Termination Type:

    SOLDER

HE751A0500 Frequently Asked Questions (FAQs)

  • A good PCB layout for the HE751A0500 involves keeping the input and output traces separate, using a solid ground plane, and minimizing the length of the input and output traces. It's also recommended to use a common mode choke or a ferrite bead to filter out high-frequency noise.
  • Proper cooling of the HE751A0500 can be achieved by providing adequate airflow, using a heat sink, and ensuring good thermal conductivity between the device and the heat sink. The device's thermal pad should be soldered to a copper plane on the PCB to facilitate heat dissipation.
  • Exceeding the maximum operating temperature of the HE751A0500 can lead to reduced performance, decreased lifespan, and even permanent damage to the device. It's essential to ensure the device operates within its specified temperature range to maintain reliability and performance.
  • While the HE751A0500 is a robust device, it's still susceptible to damage from excessive vibration. To ensure reliability in high-vibration environments, it's recommended to use a secure mounting method, such as screwing or adhesive mounting, and to follow the manufacturer's guidelines for vibration testing.
  • To troubleshoot issues with the HE751A0500, start by verifying the input voltage, checking for proper PCB layout and component placement, and ensuring the device is properly cooled. Use an oscilloscope to monitor the input and output waveforms, and consult the datasheet and application notes for guidance on troubleshooting common issues.

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HE751A0500 Overview

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