Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board)

Image Part Number Description / PDF Quantity Rfq
10132798-012100LF

10132798-012100LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 10POS SMD GOLD

7198

91921-31125LF

91921-31125LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 25POS SMD GOLD

311

61082-083602LF

61082-083602LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 80POS SMD GOLD

140

84740-002LF

84740-002LF

Storage & Server IO (Amphenol ICC)

CONN ARRAY PLUG 400POS SMD GOLD

311

61083-084400LF

61083-084400LF

Storage & Server IO (Amphenol ICC)

CONN PLUG 80POS SMD GOLD

596

10160298-1111102LF

10160298-1111102LF

Storage & Server IO (Amphenol ICC)

BERGSTAKSECURE CONNECTOR, RIGHT

0

61082-041400LF

61082-041400LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 40POS SMD GOLD

0

10106813-031112LF

10106813-031112LF

Storage & Server IO (Amphenol ICC)

CONN SELF-MATE 30POS SMD GOLD

237

10148891-191ULF

10148891-191ULF

Storage & Server IO (Amphenol ICC)

M-SERIES 56, RECEPTACLE,4MM, 4 P

250

91930-21131LF

91930-21131LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 31POS SMD GOLD

3039

10132797-031100LF

10132797-031100LF

Storage & Server IO (Amphenol ICC)

CONN PLUG 30POS SMD GOLD

151

10139781-123402LF

10139781-123402LF

Storage & Server IO (Amphenol ICC)

BERGSTAK+ 0.8MM, REC, R3, 120POS

67

11826-CCA

11826-CCA

Storage & Server IO (Amphenol ICC)

LYNX, 6MM, 4X30 PLUG

900

G832MB111205222HR

G832MB111205222HR

Storage & Server IO (Amphenol ICC)

CONN PLUG 120POS SMD GOLD

0

61082-101400LF

61082-101400LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 100POS SMD GOLD

9579

61082-043402LF

61082-043402LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 40POS SMD GOLD

910

91921-31141LF

91921-31141LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 41POS SMD GOLD

2400

61083-104422LF

61083-104422LF

Storage & Server IO (Amphenol ICC)

CONN PLUG 100POS SMD GOLD

0

G832MB110605222HR

G832MB110605222HR

Storage & Server IO (Amphenol ICC)

CONN PLUG 60POS SMD GOLD

334

91901-31115LF

91901-31115LF

Storage & Server IO (Amphenol ICC)

CONN HDR 15POS SMD GOLD

550

Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board)

1. Overview

Rectangular connectors are modular electronic components designed to establish electrical connections between subsystems or boards. Arrays, edge type, and mezzanine (board-to-board) connectors enable high-density interconnects in compact spaces. These connectors are critical for modern electronics, supporting miniaturization, high-speed data transfer, and reliable power delivery in applications ranging from consumer devices to industrial systems.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Array ConnectorsHigh-pin-count designs with parallel signal/power paths; optimized for compactness and thermal managementBackplanes in servers, high-performance computing (HPC) systems
Edge ConnectorsMount directly onto PCB edges; support planar or right-angle configurationsMemory modules (DIMMs), peripheral expansion cards (GPUs)
Mezzanine ConnectorsVertical/horizontal stacking solutions; support board-to-board spacing from 0.8mm to 50mmTelecom routers, embedded systems (e.g., COM Express modules)

3. Structure and Components

A typical rectangular connector consists of:

  • Contact Points: Phosphor bronze or beryllium copper alloys with gold/tin plating for low resistance
  • Insulation Housing: Thermoplastic materials (e.g., LCP, PBT) ensuring dielectric strength and flame resistance
  • Retention Mechanism: Polarized keys, latches, or friction locks to prevent accidental disconnection
  • Shielding: Optional EMI protection via metallic shells or conductive coatings

4. Key Technical Specifications

ParameterTypical RangeImportance
Current Rating0.5A 5A per contactDetermines power-handling capability
Voltage Rating50V 600V AC/DCSafety and insulation design
Contact Resistance5 20 m Impacts signal integrity and thermal performance
Insulation Resistance>100 G Prevents leakage currents
Operating Temperature-55 C to +125 CEnsures reliability in harsh environments
Mating Cycles100 10,000 cyclesDefines mechanical durability

5. Application Fields

  • Telecommunications: 5G base stations, optical network units
  • Industrial Automation: PLCs, robotic controllers
  • Medical Devices: MRI scanners, patient monitors
  • Consumer Electronics: Gaming consoles, notebook computers

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
TE ConnectivityMikroBlast High-speed mezzanine connector with 12 Gbps capability
AmphenolEdge Edge-mount connectors with self-aligning design
MolexClarity Array connector with 0.4mm pitch for mobile devices
SamtecQSE SeriesSelf-mating mezzanine connectors for rugged environments

7. Selection Guidelines

When choosing connectors, consider:

  • Electrical Requirements: Match current/voltage ratings to system needs
  • Mechanical Constraints: Verify board spacing and alignment tolerances
  • Environmental Factors: Select materials for temperature, humidity, and vibration resistance
  • Cost-Performance Balance: Prioritize high-cycle durability for maintenance-prone systems

Example: For a 5G base station, choose a mezzanine connector with 360 shielding and IP67 rating to minimize signal loss and environmental degradation.

8. Industry Trends

  • Miniaturization: Pitch sizes below 0.4mm to accommodate compact IoT devices
  • High-Speed Data Transfer: Development of connectors supporting 56 Gbps+ differential signaling
  • Modular Designs: Hybrid power/signal connectors for flexible system architectures
  • Sustainability: Adoption of halogen-free materials and recyclable alloys
  • Smart Manufacturing: Integration of RFID tags in connectors for automated asset tracking
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