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SR4M4018 - TE Connectivity

Description: Power Relay 18VDC 8A 3PST-NO/3PST-NC(40mm 13mm 16.5mm) THT

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SR4M4018 - TE Connectivity - PCB symbol
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PCB Footprints
SR4M4018 - TE Connectivity PCB footprint - Other - Other - SR4M4018-2
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3D Models
SR4M4018 - TE Connectivity - 3D model - Other - SR4M4018-2
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SR4M4018 Details

  • Manufacturer Part Number:

    SR4M4018

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    ROHS COMPLIANT

  • Country Of Origin:

    Austria

  • ECCN Code:

    EAR99

  • Factory Lead Time:

    33 Weeks, 4 Days

  • Manufacturer:

    TE Connectivity

  • Body Breadth:

    13 mm

  • Body Height:

    16.5 mm

  • Body Length or Diameter:

    40 mm

  • Coil Current(AC)-Max:

    0.044 A

  • Coil Current(DC)-Max:

    0.044 A

  • Coil Operate Voltage(DC):

    13.5 V

  • Coil Power:

    800 mW

  • Coil Release Voltage(DC):

    1.8 V

  • Coil Resistance:

    405 Ω

  • Coil Voltage(DC)-Max:

    18 V

  • Coil Voltage-Nom:

    18 V

  • Coil/Input Supply Type:

    DC

  • Contact (AC) Max Rating R Load:

    8A@400VAC

  • Contact Current(AC)-Max:

    8 A

  • Contact Current(DC)-Max:

    8 A

  • Contact Resistance:

    100 mΩ

  • Contact Voltage(AC)-Max:

    400 V

  • Dielectric Strength Between Coil and Contacts:

    4000 Vrms

  • Dielectric Strength Between Open Contacts:

    1500 Vrms

  • End Contact Material:

    SILVER TIN OXIDE

  • Input Switching Control Type:

    Random

  • Mounting Feature:

    PANEL MOUNT

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -25 °C

  • Packing Method:

    BOX; TUBE

  • Physical Dimension:

    39.87mm x 12.95mm x 16mm

  • Reference Standard:

    UL

  • Relay Action:

    MOMENTARY

  • Relay Function:

    4PST

  • Relay Type:

    SAFETY RELAY

  • Sealing:

    RT3

  • Surface Mount:

    NO

  • Terminal Length:

    0.0032994665989331978 inch

  • Termination Type:

    SOLDER/QUICK CONNECT

  • Weight:

    30 g

SR4M4018 Frequently Asked Questions (FAQs)

  • TE Connectivity provides a recommended PCB layout and land pattern in their application note AN-1405, which can be found on their website. It's essential to follow this layout to ensure proper thermal management and to prevent electrical issues.
  • SR4M4018 has a high power density, and proper thermal management is crucial. Ensure good airflow around the device, use a heat sink if necessary, and follow the recommended PCB layout and land pattern. TE Connectivity also provides thermal management guidelines in their application note AN-1405.
  • The maximum operating temperature range for SR4M4018 is -40°C to 125°C. However, the device's performance and reliability may degrade if operated at the extreme ends of this range. It's recommended to operate the device within a temperature range of -20°C to 100°C for optimal performance.
  • SR4M4018 is designed to withstand moderate vibration levels. However, if your application involves extreme vibration, you may need to take additional measures to ensure the device's reliability. Consult with TE Connectivity's technical support or consider using a vibration-resistant variant of the device.
  • SR4M4018 is not hermetically sealed, so it's essential to take precautions to prevent moisture ingress. Use conformal coating, potting, or encapsulation to protect the device from humidity. Ensure that the PCB is designed with moisture-resistant materials and follow proper assembly and handling procedures.

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SR4M4018 Overview

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About TE Connectivity

TE Connectivity, a global leader in connectivity and sensor solutions, designs and manufactures products that enable a more connected world. Serving a diverse range of industries, including automotive, industrial, medical, aerospace, and telecommunications, TE Connectivity offers a broad portfolio of products such as connectors, sensors, relays, and passive components. The company's innovations help improve the reliability and performance of electronic systems.

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Part Image 9-1415053-1 TE Connectivity

Safety Relay, 4PST, Momentary, 0.044A (Coil), 18VDC (Coil), 800mW (Coil), 8A (Contact), DC Input, Random, Panel Mount