DCMT21HA4P0L4A191K87

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D-Sub connectors, featuring a distinct D-shape, are widely used for computer peripherals, communication, industrial and instrumentation applications. The DCMT21HA4P0L4A191K87 is a D-Sub connector with metal shell and 4-pin/4-row configuration. It has a standard plastic receptacle (female) connector temperature range of -55C to 105C, rated current per contact of 1.5A and a rated voltage of 300V. This connector is suitable for both manual and automated mounting and is fully RoHS compliant.

Application Field and Working Principle

The DCMT21HA4P0L4A191K87 is typically used in a variety of applications such as:

• Computer Peripherals - connecting devices such as mice, keyboards, monitors, printers, etc.
• Industrial Devices - controlling motion in automated equipment, measuring industrial processes, data communications, etc.
• Instrumentation - Robotics, Motorcraft, Mechatronics, and other engineering applications.

The DCMT21HA4P0L4A191K87 connector features four Terminals or Contacts — a male and female connector, each with two Conductors. The male connector has a tab that slots into the female connector. This tab acts as a grounding mechanism, connecting the two components while also providing the mechanical strength needed to ensure a secure connection. The two Conductors on the female side are innervated with a capacitive type insulation covering a small portion of them. This insulation prevents any misalignment and ensures a reliable connection.

The DCMT21HA4P0L4A191K87 connector also features a shell casing with locking arms attached to either side. The locking arms securely hold the connector in position. The shell also acts as shielding, protecting the contacts from external interference. The metal shell also provides EMI and RFI shielding, ensuring the connector performs reliably in high-interference environments.

In addition to the the connector’s mechanical properties, its electrical characteristics are of paramount importance. The DCMT21HA4P0L4A191K87 features a current rating of 1.5A. This ensures that the contacts do not overheat and be a source of fire hazard. The connector’s rated voltage is 300V, providing protection from electrical shock. The connector’s temperature range is -55C to 105C, meaning it can operate in both cold and hot environments. Finally, the DCMT21HA4P0L4A191K87 is RoHS compliant, ensuring that it does not contain hazardous substances such as lead, cadmium, mercury, etc.

The DCMT21HA4P0L4A191K87 is an excellent choice for a wide variety of applications. With its combination of mechanical strength, shielding, current ratings, temperature range and RoHS compliance, the DCMT21HA4P0L4A191K87 ensures reliable performance in any environment. With its superior performance and durability, it is an ideal choice for many applications.

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