MMD21-0291N1 vs MMD23-0261R1

Part Number
MMD21-0291N1
MMD23-0261R1
Category Backplane Connectors - Specialized Backplane Connectors - Specialized
Manufacturer Vishay Dale Vishay Dale
Description CONN RACK/PANEL 29POS 5A CONN RACK/PANEL 26POS 5A
Package - -
Series MM22 MM22
Features Screwlocks Screwlocks
Mounting Type Free Hanging (In-Line) Free Hanging (In-Line)
Termination Solder Cup Solder Cup
Contact Finish Gold Gold
Color Green Green
Number of Positions 29 26
Connector Type Receptacle, Female Sockets Receptacle, Female Sockets
Contact Finish Thickness 10µin (0.25µm) 30µin (0.76µm)
Number of Positions Loaded All All
Number of Rows 3 3
Connector Style Rack and Panel Rack and Panel
  • 1. What are the main functions of backplane connectors?

    The main function of backplane connectors is to connect multiple printed circuit boards (PCBs) through reliable electrical interfaces and provide high-speed data transmission capabilities, while ensuring signal integrity and power distribution.

  • 2. What is the maximum data transmission rate supported by the backplane connector?

    Modern backplane connectors typically support high-speed data transmission up to tens of Gbps, depending on the design of the connector and the technology used, especially in high-speed network and server applications.

  • 3. How to choose the appropriate backplane connector?

    When selecting backplane connectors, factors such as electrical performance (such as signal integrity, data transmission rate), physical size, number of insertions and removals, durability, application environment (temperature, humidity), and compatibility should be considered.

  • 4. How do backplane connectors ensure signal integrity?

    Backplane connectors ensure signal integrity in high-speed data transmission and reduce the impact of noise and interference through optimized designs such as shielding technology, differential signal transmission, and low crosstalk design.

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