QLC260R1 vs MMK21-044
| Part Number |
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| Category | Backplane Connectors - Specialized | Backplane Connectors - Specialized |
| Manufacturer | ITT Cannon, LLC | Vishay Dale |
| Description | DL | CONN RACK/PANEL 44POS 5A |
| Package | - | - |
| Series | QLC | MM22 |
| Features | Actuating Camshaft, Shielding Cup, Zero Insertion Force (ZIF) | - |
| Mounting Type | Through Hole | Panel Mount, Through Hole |
| Termination | Solder | Solder |
| Contact Finish | Gold | Gold |
| Number of Positions | 260 | 44 |
| Pitch | 0.031" (0.80mm) | - |
| Connector Type | Receptacle, Female Sockets | Receptacle, Female Sockets |
| Contact Finish Thickness | 40µin (1.02µm) | 10µin (0.25µm) |
| Number of Positions Loaded | All | All |
| Number of Rows | 4 | 4 |
| Color | - | Green |
| Connector Style | - | Rack and Panel |
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1. What is the difference between Specialized Backplane Connectors and Conventional Backplane Connectors?
Specialized backplane connectors are typically optimized according to specific application requirements, and may have special structures, signal processing capabilities, higher durability, or higher frequency processing capabilities, making them suitable for specific industries or devices.
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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.
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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.
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4. Is the installation and maintenance of dedicated backplane connectors complicated?
The installation of dedicated backplane connectors typically requires professional tools and technical support, especially in high-density applications. The maintenance requirements are high because high-speed data transmission requires strict integrity and accuracy of the connection.

