Card Edge Connectors - Edgeboard Connectors

Image Part Number Description / PDF Quantity Rfq
10039755-10000TLF

10039755-10000TLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 36POS 0.039

0

MDT275E01001

MDT275E01001

Storage & Server IO (Amphenol ICC)

CONN FEMALE 67POS 0.020 GOLD

213

ME1008410201011

ME1008410201011

Storage & Server IO (Amphenol ICC)

MINI COOL EDGE 0.6MM 84PIN RIGHT

1069

10142333-10023MLF

10142333-10023MLF

Storage & Server IO (Amphenol ICC)

PCIE GEN4 TH 164PIN

3374

MDT420A02001

MDT420A02001

Storage & Server IO (Amphenol ICC)

CONN FEMALE 67POS 0.020 GOLD

0

10056847-101LF

10056847-101LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 20POS 0.039

294

10039755-10110TLF

10039755-10110TLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 36POS 0.039

1764

MDT320A01001

MDT320A01001

Storage & Server IO (Amphenol ICC)

CONN FEMALE 67POS 0.020 GOLD

878

ME1005610201031

ME1005610201031

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 56P 0.024

1400

10018783-10000TLF

10018783-10000TLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 36POS 0.039

52

CE120180L110044

CE120180L110044

Storage & Server IO (Amphenol ICC)

CONN FEMALE 20POS 0.031

137

ME1014010101011

ME1014010101011

Storage & Server IO (Amphenol ICC)

MINI COOL EDGE 0.6MM 140PIN VERT

243

MDT275B02001

MDT275B02001

Storage & Server IO (Amphenol ICC)

CONN FEMALE 67POS 0.020 GOLD

0

SE1002023111111

SE1002023111111

Storage & Server IO (Amphenol ICC)

SLIM COOLEDGE 0.65MM 20 SIGNAL P

1418

10122927-001LF

10122927-001LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 24POS .050

0

ME1008410201031

ME1008410201031

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 84P 0.024

2800

10018784-10001TLF

10018784-10001TLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 64POS 0.039

5073

10107844-002LF

10107844-002LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 60POS GOLD

0

10018783-10201MLF

10018783-10201MLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 64POS 0.039

0

10082378-11003TLF

10082378-11003TLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 164POS 0.039

2006

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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