L77TWA3W3SP2Y vs XM3C3722501

Part Number
L77TWA3W3SP2Y
XM3C3722501
Category D-Sub Connectors D-Sub Connectors
Manufacturer Amphenol ICC (Commercial Products) Omron Electronics Inc-EMC Div
Description CONN D-SUB RCPT 3POS VERT SOLDER CONN D-SUB PLUG 37POS R/A SOLDER
Package - -
Series TW XM3C
Mounting Type Panel Mount, Through Hole Through Hole, Right Angle
Termination Solder Solder
Contact Finish Gold Gold
Number of Positions 3 (Power) 37
Connector Type Receptacle, Female Sockets Plug, Male Pins
Contact Finish Thickness 16µin (0.40µm) 16µin (0.40µm)
Number of Rows 1 2
Connector Style D-Sub, Combo D-Sub
Contact Type Power Signal
Flange Feature Housing/Shell (Unthreaded) Housing/Shell (Unthreaded)
Shell Material, Finish Steel, Tin Plated Steel, Nickel Plated
Shell Size, Connector Layout 2 (DA, A) - 3W3 4 (DC, C)
Features - Shielded
Current Rating - 3A
Material Flammability Rating - UL94 V-0
  • 1. Classification of D-SUB connectors

    ‌Solder cup D-Sub connector‌: This connector meets commercial industrial standards and can be paired with any docking solder cup D-Sub connector. The contacts are electroplated with flash gold, and the connector insulator meets the UL94V-0 standard. The maximum wire size is 20 AWG, and 9, 25, 37 and 50 pin specifications are available.

    ‌Crimp D-Sub connector‌: Crimp D-Sub connectors meet commercial industrial standards and can be used for most standard D-Sub male connectors. Compatible with 20-28 AWG wire range, available in 9, 15, 25 and 50 pin sizes.

    ‌Punch-type D-Sub connector‌: This connector is easily soldered into the through-hole of the printed circuit board or used in many other applications. Solder placement follows a standard footprint, and gold-plated contacts ensure long life. As an industrial standard commercial DB37 female PCB type connector, it has standard mounting holes for application flexibility.

  • 2. Applications of D-SUB full range of connectors

    1. Computer field: D-SUB connectors are widely used in the computer field, such as the connection of external devices such as monitors, keyboards, mice, etc.
    2. Communication field: D-SUB connectors can be used for signal transmission between various communication devices, such as telephones, fax machines, routers, etc.
    3. Industrial control field: D-SUB connectors are widely used in the industrial control field, such as the connection of PLCs, sensors, actuators and other equipment.
    4. Automation field: D-SUB connectors can be used for signal transmission and power supply in automation equipment, such as robots, automated assembly lines, etc.
    5. Other fields: In addition to the above fields, D-SUB connectors can also be used in other fields such as security, lighting, and medical equipment.

  • 3. FAQ of D-SUB Connector

    ‌What is the reason for no signal in D-SUB connector?
    Performance: No signal.

    Solution: Check whether the signal cable is plugged in properly and ensure stable connection. 3.

    ‌‌D-SUB connector causes the monitor to fail to display.
    Performance: The monitor cannot display.
    Solution: Adjust the computer resolution to the highest resolution supported by the monitor.

    ‌‌What is the reason for poor connection of D-SUB connector?
    Performance: Poor connection.

    Cause: The pin is exposed and easily damaged.
    Solution: Use a protective cover to avoid pin exposure and operate carefully.

  • 4. FAQ of D-SUB Connector

    ‌What is the reason for slow data transmission of D-SUB connector?
    Performance: Slow or interrupted data transmission.
    Cause: Inherent characteristics of serial communication.
    Solution: Use faster communication standards or increase communication stability measures ‌24.

    ‌‌D-SUB connector signal attenuation
    Symptom: Signal attenuation.
    Cause: Long-distance transmission characteristics.
    Solution: Use higher quality cables or add signal amplifiers.

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