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HE751A2400 - LITTELFUSE

Description: Reed Relay 24VDC 2.15KOhm 0.5A SPST-NO(19.5x9.52x5.5)mm THT Dry

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PCB Footprints
HE751A2400 - LITTELFUSE PCB footprint - Other - Other - HE751A2400-2
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3D Models
HE751A2400 - LITTELFUSE  - 3D model - Other - HE751A2400-2
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HE751A2400 Details

  • Manufacturer Part Number:

    HE751A2400

  • 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:

    0.011 A

  • Coil Operate Voltage(DC):

    16 V

  • Coil Power:

    264 mW

  • Coil Release Voltage(DC):

    2 V

  • Coil Resistance:

    2150 Ω

  • Coil Voltage(DC)-Max:

    46 V

  • Coil Voltage-Nom:

    24 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

HE751A2400 Frequently Asked Questions (FAQs)

  • A good PCB layout for the HE751A2400 involves keeping the input and output traces separate, using a solid ground plane, and minimizing the length of the input and output leads. It's also recommended to use a common mode choke or a ferrite bead to filter out high-frequency noise.
  • To ensure reliability in high-temperature applications, it's essential to follow the recommended derating curves for the HE751A2400. Additionally, consider using a heat sink or a thermal interface material to reduce the junction temperature. It's also crucial to ensure good airflow and to avoid overheating the surrounding components.
  • To minimize EMI, use a shielded enclosure, and ensure that the input and output cables are properly shielded and routed away from each other. Additionally, use a common mode choke or a ferrite bead to filter out high-frequency noise. It's also recommended to follow good PCB layout practices, such as separating the input and output stages and using a solid ground plane.
  • Yes, the HE751A2400 can be used in a redundant or parallel configuration to achieve higher power ratings. However, it's essential to ensure that the units are properly synchronized and that the output currents are properly balanced to avoid overheating or damage to the devices.
  • To ensure safe operation, follow the recommended safety guidelines for the HE751A2400, including proper insulation, grounding, and protection from overvoltage and overcurrent. Additionally, ensure that the device is used within its specified ratings and that the surrounding components are properly rated for the application.

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HE751A2400 Overview

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Part Image HE75-1-A-24-00 Littelfuse Inc

Dry Reed Relay, 1 Form A, SPST, Momentary, 0.011A (Coil), 46VDC (Coil), 264mW (Coil), 0.5A (Contact), 300VDC (Contact), DC Input, Random, AC/DC Output