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HE3621A2410 - LITTELFUSE

Description: Reed Relay 24VDC 2.15KOhm 0.5A SPST-NO(19.05x5.08x7.62)mm THT Dry

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PCB Footprints
HE3621A2410 - LITTELFUSE PCB footprint - Other - Other - HE3621A2410-4
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3D Models
HE3621A2410 - LITTELFUSE  - 3D model - Other - HE3621A2410-4
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HE3621A2410 Details

  • Manufacturer Part Number:

    HE3621A2410

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8536.49.00.50

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    0

  • Additional Feature:

    DIODE SUPRESSED COIL

  • Body Breadth:

    5.65 mm

  • Body Height:

    7.87 mm

  • Body Length or Diameter:

    19.7 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:

    31 V

  • Coil Voltage-Nom:

    24 V

  • Coil/Input Supply Type:

    DC

  • Contact Current(DC)-Max:

    0.5 A

  • Contact (DC) Max Rating R Load:

    0.5A@200VDC

  • Contact Resistance:

    150 mΩ

  • Contact Voltage(DC)-Max:

    200 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

  • Physical Dimension:

    19.7mm x 5.65mm x 7.87mm

  • 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

HE3621A2410 Frequently Asked Questions (FAQs)

  • The recommended PCB layout and land pattern for the HE3621A2410 can be found in the Littelfuse application note AN9313. It provides guidelines for optimal PCB design, including pad sizes, spacing, and thermal considerations.
  • To ensure reliable soldering, follow the recommended soldering profile and temperature guidelines provided in the Littelfuse soldering guide. Additionally, use a solder with a melting point compatible with the device's temperature rating, and ensure proper solder wetting and fillet formation.
  • For high-power applications, ensure proper heat sinking and thermal management. The device's thermal resistance (RθJA) is specified in the datasheet. Use a heat sink with a thermal interface material (TIM) and ensure good thermal contact between the device and heat sink. Monitor the device's junction temperature (Tj) to prevent overheating.
  • Select a fuse with a rating that matches or exceeds the maximum current and voltage requirements of your application. Consider factors such as inrush current, steady-state current, and fault current. Consult the Littelfuse fuse selection guide or consult with a Littelfuse application engineer for guidance.
  • The HE3621A2410 is an ESD-sensitive device. Handle the device with ESD-protective equipment and follow proper ESD handling procedures to prevent damage. Use an ESD wrist strap or mat, and ensure the workspace is ESD-protected.

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