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HE751A1210 - LITTELFUSE

Description: Reed Relay 12VDC 1KOhm 0.5A SPST-NO(19.5x9.52x5.5)mm THT Dry

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PCB Footprints
HE751A1210 - LITTELFUSE PCB footprint - Other - Other - HE751A1210-3
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3D Models
HE751A1210 - LITTELFUSE  - 3D model - Other - HE751A1210-3
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HE751A1210 Details

  • Manufacturer Part Number:

    HE751A1210

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • ECCN Code:

    EAR99

  • HTS Code:

    8536.49.00.50

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    0

  • Additional Feature:

    COIL SUPPRESSION DIODE

  • Body Breadth:

    7.22 mm

  • Body Height:

    5.5 mm

  • Body Length or Diameter:

    20.14 mm

  • Coil Current(DC)-Max:

    0.012 A

  • Coil Operate Voltage(DC):

    8 V

  • Coil Power:

    144 mW

  • Coil Release Voltage(DC):

    1 V

  • Coil Resistance:

    1000 Ω

  • Coil Voltage(DC)-Max:

    31 V

  • Coil Voltage-Nom:

    12 V

  • Coil/Input Supply Type:

    DC

  • 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(DC)-Max:

    300 V

  • Contact/Output Supply Type:

    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:

    -40 °C

  • Packing Method:

    BULK

  • Physical Dimension:

    20.14mm x 7.22mm x 5.5mm

  • 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

HE751A1210 Frequently Asked Questions (FAQs)

  • A good PCB layout for the HE751A1210 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.
  • To ensure proper cooling, make sure to provide adequate airflow around the device, and consider using a heat sink or thermal interface material to improve heat dissipation. The device's thermal pad should be soldered to a copper plane on the PCB to facilitate heat transfer.
  • Exceeding the maximum ratings of the HE751A1210 can lead to reduced lifespan, permanent damage, or even catastrophic failure. It's essential to ensure that the device operates within the specified voltage, current, and temperature ranges to maintain reliability and performance.
  • To troubleshoot issues with the HE751A1210, start by verifying the input voltage, current, and temperature are within the specified ranges. Check for proper PCB layout, soldering, and component selection. Use an oscilloscope to analyze the input and output waveforms, and consult the datasheet and application notes for guidance.
  • Yes, the HE751A1210 is a high-frequency device, and proper EMI/EMC design practices are essential. Use shielding, filtering, and grounding techniques to minimize electromagnetic interference. Ensure that the PCB layout and component selection comply with relevant EMI/EMC standards and regulations.

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