Card Edge Connectors - Edgeboard Connectors

Image Part Number Description / PDF Quantity Rfq
10152221-052R2LF

10152221-052R2LF

Storage & Server IO (Amphenol ICC)

MINI PCI EXPRESS

0

10108777-10122TLF

10108777-10122TLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP

0

10115859-008LF

10115859-008LF

Storage & Server IO (Amphenol ICC)

HPCE R/A STB REC 8HP2LP

0

10082378-10113TLF

10082378-10113TLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 164POS 0.039

0

10142333-10103MLF

10142333-10103MLF

Storage & Server IO (Amphenol ICC)

PCI EXPRESS 4.0 TH ASSY

0

10125023-004016BLF

10125023-004016BLF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL

0

10018783-10101MLF

10018783-10101MLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 64POS 0.039

0

10136859-112PLF

10136859-112PLF

Storage & Server IO (Amphenol ICC)

PCI EXPRESS SMT 98P

0

10130248-009LF

10130248-009LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL

0

10086666-10012TLF

10086666-10012TLF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 98POS 0.039

0

10124782-10012RLF

10124782-10012RLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP

0

10069690-10001PLF

10069690-10001PLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP

0

10028886-003B

10028886-003B

Storage & Server IO (Amphenol ICC)

CONN PWR EDGE CARD

0

10025026-10003HLF

10025026-10003HLF

Storage & Server IO (Amphenol ICC)

CONN PCI EXP FEMALE 164POS 0.039

0

10146070-110T0LF

10146070-110T0LF

Storage & Server IO (Amphenol ICC)

CONN CARD EDGE PCIE GEN4 SMD

0

10128798-005RLF

10128798-005RLF

Storage & Server IO (Amphenol ICC)

M.2 CONN 5.5MM H KEY M

0

10025026-10100PLF

10025026-10100PLF

Storage & Server IO (Amphenol ICC)

PCIE THROUGH HOLE 36P

0

ME1016813401411

ME1016813401411

Storage & Server IO (Amphenol ICC)

MINI COOL EDGE 0.60MM, OCP 3.0,

0

10046971-007LF

10046971-007LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FMALE 62POS 0.100

0

10121046-001LF

10121046-001LF

Storage & Server IO (Amphenol ICC)

CONN EDGE DUAL FEMALE 32POS

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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