Card Edge Connectors - Edgeboard Connectors

Image Part Number Description / PDF Quantity Rfq
10125756-A42200LF

10125756-A42200LF

Storage & Server IO (Amphenol ICC)

PCIE GEN3 STRADDLEMOUNT

0

10121506-080820ALF

10121506-080820ALF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL

0

10144661-112Y0LF

10144661-112Y0LF

Storage & Server IO (Amphenol ICC)

PCI EXP 4 SMT ASSY BLADE

0

10137074-10210RLF

10137074-10210RLF

Storage & Server IO (Amphenol ICC)

PCI EXPRESS RA TH

0

MDT850M01501

MDT850M01501

Storage & Server IO (Amphenol ICC)

PCIE M.2 CONNECTORS, P=0.5MM, H=

0

10151172-001LF

10151172-001LF

Storage & Server IO (Amphenol ICC)

POWER EDGE CARD RAR-25PX2

0

10083987-11023ZLF

10083987-11023ZLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP

0

10082378-10213TLF

10082378-10213TLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 164POS 0.039

0

10046971-028LF

10046971-028LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 64POS 0.100

0

10140903-1410FLF

10140903-1410FLF

Storage & Server IO (Amphenol ICC)

EHPCE VR STB 14MP10S-BLACK

0

10130787-080820BLF

10130787-080820BLF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FEMALE 36POS

0

10125112-080032ALF

10125112-080032ALF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL

0

10108777-10100FLF

10108777-10100FLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP

0

10035388-200LF

10035388-200LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 62POS 0.100

0

10053363-100LF

10053363-100LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 64POS 0.100

0

10130787-240840ALF

10130787-240840ALF

Storage & Server IO (Amphenol ICC)

HPCE VERT PF REC 8HP2LP

0

10130787-080820ALF

10130787-080820ALF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FEMALE 36POS

0

10128798-001RLF

10128798-001RLF

Storage & Server IO (Amphenol ICC)

CONN M.2 FEMALE

0

10116105-002LF

10116105-002LF

Storage & Server IO (Amphenol ICC)

FLEX CIRCULT 32P

0

10061913-120RLF

10061913-120RLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 36POS 0.039

0

Card Edge Connectors - Edgeboard Connectors

1. Overview

Card Edge Connectors, also known as Edgeboard Connectors, are electrical connectors designed to connect printed circuit boards (PCBs) directly to other boards or systems via their edges. These connectors eliminate the need for separate cables or wiring harnesses by utilizing the PCB's edge as both the mechanical support and electrical interface. They play a critical role in modern electronics by enabling compact designs, reliable signal transmission, and modular system architectures.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
PCIe Edge ConnectorsHigh-speed serial communication with low latencyGraphics cards, SSDs, network adapters
DIMM ConnectorsParallel data transfer for memory modulesDesktop/server RAM modules
SATA Edge ConnectorsSerial data transfer with hot-swapping capabilityHDDs, SSDs, optical drives
USB Type-C Edge ConnectorsBidirectional 24-pin configuration with power deliveryLaptops, mobile devices, docking stations

3. Structure and Components

Typical card edge connectors consist of: - Contact Points: Phosphor bronze or beryllium copper with gold-plated surfaces (10-50 m thickness) for low resistance - Insulation Body: High-temperature resistant LCP or nylon materials (UL94 V-0 rated) - Retention Mechanism: Integrated latches or screws for vibration resistance - PCB Interface: Precision-machined slots with alignment guides ( 0.05mm tolerance) - Shielding Layer: EMI-suppressing metal shells for high-frequency applications

4. Key Technical Specifications

ParameterTypical ValueImportance
Contact Resistance5-20m Ensures minimal signal loss
Current Rating1-5A per contactDetermines power delivery capacity
Dielectric Withstanding Voltage500-1000V ACGuarantees electrical safety
Insertion Force20-60NAffects user experience and durability
Operating Temperature-55 C to +125 CDefines environmental adaptability
Mating Cycles500-10,000 cyclesMeasures mechanical longevity

5. Application Fields

  • Computer Systems: Motherboards, expansion cards, memory modules
  • Telecommunications: 5G base stations, network switches
  • Industrial Automation: PLCs, control panels
  • Medical Equipment: MRI scanners, diagnostic devices
  • Consumer Electronics: Smartphones, gaming consoles

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Amphenol ICCSmartSpring PCIe Gen57GHz bandwidth, 0.3mm pitch
TE ConnectivityMEZZOP Edge ConnectorDouble-sided contact design
MolexSL Series DIMM2.0N contact force reduction
SamtecEdge Rate HD0.8mm pitch, 25Gbps per channel

7. Selection Guidelines

Key considerations include: - Signal integrity requirements (frequency vs. crosstalk) - Mechanical constraints (board thickness, spacing) - Environmental conditions (temperature, vibration) - Compliance standards (IPC, RoHS) - Cost-performance balance (gold thickness vs. mating cycles) - Example: For a 10Gbps Ethernet switch, select connectors with controlled impedance (100 10%) and low insertion loss (<0.5dB at 12.5GHz)

8. Industry Trends

Current development directions: - High-density designs (sub-0.5mm pitch) - Enhanced thermal management for 5G applications - Integration with optical interconnects - Surface-mount technology (SMT) adoption - Increased use of conductive polymers for contact materials - Development of self-aligning connectors for automated assembly

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