MDM-21SSB-3-A172

Shell Material, Finish:	Aluminum, Gold Plated
Backset Spacing:	--
Contact Material:	Copper Alloy
Wire Gauge:	--
Housing Material:	Liquid Crystal Polymer (LCP)
Contact Form:	--
Color:	--
Voltage Rating:	--
Operating Temperature:	-55°C ~ 125°C
Current Rating:	3A
Material Flammability Rating:	--
Ingress Protection:	--
Contact Finish Thickness:	--
Contact Finish:	Gold
Series:	83513-Style Micro D Metal Shell (MDM)
Features:	Shielded
Termination:	Solder Cup
Flange Feature:	Housing/Shell (Unthreaded)
Mounting Type:	Panel Mount
Contact Type:	Signal
Shell Size, Connector Layout:	0.050 Pitch x 0.043 Row to Row
Number of Rows:	2
Number of Positions:	21
Connector Type:	Receptacle, Female Sockets
Connector Style:	D-Type, Micro-D
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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D-Sub Connectors: MDM-21SSB-3-A172 Application Field and Working Principle

D-Sub connectors are a type of electrical connector commonly used in computers and other electronic systems. They are usually found on the back of computers or other electronic devices, and most commonly used to connect to peripheral devices, such as keyboards, mice, printers, and many more. The MDM-21SSB-3-A172 is a specific type of D-Sub connector, and this article will discuss its application field and working principle.First of all, the MDM-21SSB-3-A172 is a 100-pin D-Sub connector designed for harsh environment applications. It is highly resistant to dust and moisture, and designed for use in industrial, military and aerospace applications, where reliable operation under extreme environmental conditions is required. This connector is a multi-pole system with an operating temperature of -55°C to +275°C and a voltage rating of 800VAC max. It also features a sealed variant with a heated cable jacket for superior protection.The working principle of the MDM-21SSB-3-A172 is relatively straightforward. This connector uses a three-piece design consisting of a connector body, insulation, and a contact. The connector body is the outer shell that is used to hold the insulation and contact together. The insulation is typically made of a polymeric material and works to electrically insulate the contact from the outside environment. The contact is a metal spring that connects the device to the external circuit. When the connector is mated with an external circuit, the contact spring pushes out to make contact with the circuit, thus allowing current to flow between the two.In addition to its high resistance to dust and moisture, the MDM-21SSB-3-A172 is also known for its high-reliability connection system. It is equipped with a locking mechanism as well as a spring loaded safety latch which ensures a secure connection when the connector is mated. This prevents the connector from coming loose, which reduces the chances of the connection becoming intermittent or failing completely.Overall, the MDM-21SSB-3-A172 is a high-performance D-Sub connector that is specifically designed for harsh environment applications. It offers superior resistance to dust, moisture, and shock, has a highly reliable connection system, and is ideal for industrial, military, and aerospace applications. It\'s operating temperature range of -55°C to +275°C and 800VAC max voltage rating make it an ideal choice for a wide variety of applications.

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