Card Edge Connectors - Edgeboard Connectors

Image Part Number Description / PDF Quantity Rfq
10035388-204LF

10035388-204LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL

0

10061913-103ZLF

10061913-103ZLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 164POS 0.039

0

10137945-10112RLF

10137945-10112RLF

Storage & Server IO (Amphenol ICC)

PCI EXPRESS TH 98P

0

10082378-10000TLF

10082378-10000TLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 36POS 0.039

0

10142333-10012MLF

10142333-10012MLF

Storage & Server IO (Amphenol ICC)

PCI EXPRESS 4.0 TH ASSY

0

10108777-10100TLF

10108777-10100TLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 36POS 0.039

0

10123730-000016BLF

10123730-000016BLF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 68POS .050

0

10028886-003LF

10028886-003LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 80POS GOLD

0

G633A0520242YEU

G633A0520242YEU

Storage & Server IO (Amphenol ICC)

0.8MM RA H8.0MM SMT 52P

0

10018783-11113TLF

10018783-11113TLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 164POS 0.039

0

10122237-004812CLF

10122237-004812CLF

Storage & Server IO (Amphenol ICC)

HPCE STMT REC 48P12S

0

10137755-080216ELF

10137755-080216ELF

Storage & Server IO (Amphenol ICC)

EHPCE STMT REC 8UP2MP16S

0

10138277-103BLF

10138277-103BLF

Storage & Server IO (Amphenol ICC)

PCI EXPRESS SMT

0

10122992-010LF

10122992-010LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL

0

10123277-902LF

10123277-902LF

Storage & Server IO (Amphenol ICC)

18G MICRO TCA CONNECTOR

0

10122237-480012ALF

10122237-480012ALF

Storage & Server IO (Amphenol ICC)

HPCE STMT REC 48P12S

0

10084423-202LF

10084423-202LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 30POS 0.031

0

10154210-001LF

10154210-001LF

Storage & Server IO (Amphenol ICC)

HPCE RAH 4P12S

0

10151422-0222120LF

10151422-0222120LF

Storage & Server IO (Amphenol ICC)

PCI EXPRESS X16, RIGHT ANGLE, SM

0

10108777-10030TLF

10108777-10030TLF

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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