Card Edge Connectors - Edgeboard Connectors

Image Part Number Description / PDF Quantity Rfq
10121505-480022DLF

10121505-480022DLF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FEMALE 68POS

0

10125023-320032BLF

10125023-320032BLF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 64POS .050

0

10076266-120PLF

10076266-120PLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 36POS 0.039

0

10139437-10200TLF

10139437-10200TLF

Storage & Server IO (Amphenol ICC)

PCI EXPRESS TH 36P

0

10118251-003LF

10118251-003LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FEMALE 60POS

0

10046971-051LF

10046971-051LF

Storage & Server IO (Amphenol ICC)

PEC VERT STB REC 19PX2

0

10115788-008LF

10115788-008LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FEMALE 36POS

0

ME10168334B2A01

ME10168334B2A01

Storage & Server IO (Amphenol ICC)

MINI COOL EDGE 0.60MM, OCP 3.0,

0

10148195-10103MLF

10148195-10103MLF

Storage & Server IO (Amphenol ICC)

PCI EXPRESS 4.0 TH ASSY

0

10046971-015LF

10046971-015LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FEMALE 0.100 GOLD

0

10035388-001LF

10035388-001LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 58POS 0.100

0

10108777-11120TLF

10108777-11120TLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 36POS 0.039

0

101269331604103ALF

101269331604103ALF

Storage & Server IO (Amphenol ICC)

HPCE STMT REC 20P10S

0

10123730-000008ALF

10123730-000008ALF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL

0

10138327-11003TLF

10138327-11003TLF

Storage & Server IO (Amphenol ICC)

PCI EXPRESS TH 164P

0

10108777-10001MLF

10108777-10001MLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 64POS 0.039

0

10108777-10100ALF

10108777-10100ALF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP

0

10058831-211

10058831-211

Storage & Server IO (Amphenol ICC)

CONN MICROTCA FMALE 170POS .029

0

10061913-112NLF

10061913-112NLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 98POS 0.039

0

10018784-10013MLF

10018784-10013MLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FMALE 164POS 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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