MMD21-0181R1

Series:	MM22
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Connector Usage:	--
Connector Type:	Receptacle, Female Sockets
Connector Style:	Rack and Panel
Number of Positions:	18
Number of Positions Loaded:	All
Pitch:	--
Number of Rows:	4
Number of Columns:	--
Mounting Type:	Free Hanging (In-Line)
Termination:	Solder Cup
Contact Layout, Typical:	--
Features:	Screwlocks
Contact Finish:	Gold
Contact Finish Thickness:	10.0µin (0.25µm)
Color:	Green
Current Rating:	5A
Material Flammability Rating:	--
Operating Temperature:	--
Voltage Rating:	--

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Backplane connectors are devices made to support the transmission of digital signals and power within backplanes and other systems. Specialized backplane connectors typically have a more detailed design than conventional backplane connectors in order to support higher-speed signals or more demanding power requirements.The MMD21-0181R1 is a specialized backplane connector with particular applications and key strengths. This article will explore the field of application and working principle of this connector type.

Application Field

The MMD21-0181R1 backplane connector is designed to meet the needs of high-speed, high-performance and high-power systems. It is capable of supporting bandwidths up to 12.5Gbs, making it suitable for data-intensive systems. It can transfer power up to 500 watts, meaning it can handle even the most demanding power requirements.The connector has a variety of applications, including cosmetic imaging systems, industrial control systems, broadcast systems and medical devices. It is also suitable for any application that requires high-speed data transmission and high power delivery, such as multi-GPU systems.

Working Principle

The MMD21-0181R1 backplane connector has two main components: the contact and the housing. The contact is made of 96 gold-plated copper pins arranged in twelve rows of eight pins. The pins are arranged in two rows of four in each row and spaced 0.5mm apart.The housing is composed of two components: the top and bottom sections. The top section is made of die-cast aluminum alloy, while the bottom section is made of thermoplastic. The two sections are fixed together using two screws. The housing is designed to provide EMI/RFI shielding and help dissipate heat.When the connector is assembled, the pins are held in place by the housing. The contactpins are curved, which allows them to make an even contact with their corresponding PCB pads. The contacts are then soldered to the PCB, forming an electrical connection.

Overall, the MMD21-0181R1 backplane connector is a specialized type of connector designed for high-speed, high-power applications. It has a wide range of applications, from medical devices to multi-GPU systems, and is capable of supporting up to 12.5Gbs bandwidth and 500 watts of power. Its innovative design includes curved contacts and a housing that provides EMI/RFI shielding and helps dissipate heat.

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