CR22-72D-2.54DS(70) vs ECC36DCMS-S288
| Part Number |
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| Category | Card Edge Connectors - Edgeboard Connectors | Card Edge Connectors - Edgeboard Connectors |
| Manufacturer | Hirose Electric Co Ltd | Sullins Connector Solutions |
| Description | CONN EDGE DUAL FMALE 72POS 0.100 | CONN EDGE DUAL FMALE 72POS 0.100 |
| Package | - | - |
| Series | CR22 | - |
| Operating Temperature | -30°C ~ 85°C | -65°C ~ 125°C |
| Mounting Type | Through Hole | Board Edge, Straddle Mount |
| Termination | Solder | Wire Wrap |
| Contact Material | Copper Alloy | Phosphor Bronze |
| Contact Finish | Gold | Gold |
| Color | Black | - |
| Number of Positions | 72 | 72 |
| Pitch | 0.100" (2.54mm) | 0.100" (2.54mm) |
| Number of Rows | 2 | 2 |
| Gender | Female | Female |
| Card Thickness | 0.063" (1.60mm) | 0.062" (1.57mm) |
| Flange Feature | Top Mount Opening, Unthreaded, 0.128" (3.30mm) Dia | Side Mount Opening, Unthreaded, 0.125" (3.18mm) Dia |
| Card Type | Non Specified - Dual Edge | Non Specified - Dual Edge |
| Features | - | Card Extender |
| Contact Finish Thickness | - | 30µin (0.76µm) |
| Contact Type | - | Hairpin Bellows |
| Number of Positions/Bay/Row | - | 36 |
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1. What are common applications of card edge connectors?
These connectors are commonly used in motherboards, memory modules (e.g., RAM), graphics cards, industrial equipment, and telecommunication systems.
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2. What materials are used in card edge connectors?
Contacts are typically made of phosphor bronze or beryllium copper, with gold or tin plating for enhanced conductivity and corrosion resistance.
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3. How do card edge connectors ensure reliable connections?
Reliable connections are achieved through spring-loaded contacts that maintain consistent pressure against the PCB edge.
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4. Can card edge connectors handle high-frequency signals?
Yes, high-quality card edge connectors are designed to support high-frequency signals with minimal signal loss or interference.
