Rectangular Connectors - Headers, Receptacles, Female Sockets

Image Part Number Description / PDF Quantity Rfq
91614-304LF

91614-304LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 4POS 0.1 GOLD SMD

0

76342-340LF

76342-340LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 80POS 0.1 GOLD PCB

0

68682-304LF

68682-304LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 8POS 0.1 GOLD PCB

0

68685-305

68685-305

Storage & Server IO (Amphenol ICC)

CONN RCPT 5POS 0.1 GOLD PCB

0

10131937-114ULF

10131937-114ULF

Storage & Server IO (Amphenol ICC)

MINITEK RECEP DR VCC SMT

0

10131933-118ALF

10131933-118ALF

Storage & Server IO (Amphenol ICC)

MINITEK RECEP DR HCC SMT

0

76314-119LF

76314-119LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 38POS 0.1 GOLD PCB

0

68682-325

68682-325

Storage & Server IO (Amphenol ICC)

CONN RCPT 50POS 0.1 GOLD PCB

0

66527-803LF

66527-803LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 50POS 0.1 GOLD PCB R/A

0

91615-325LF

91615-325LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 50POS 0.1 GOLD SMD

0

55533-106TRLF

55533-106TRLF

Storage & Server IO (Amphenol ICC)

LPVCC 4.5 T.E SMT ASSY

0

68046-321LF

68046-321LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 42POS 0.1 GOLD SMD

0

89882-339LF

89882-339LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 39POS 0.1 GOLD PCB R/A

0

20021321-00062D8LF

20021321-00062D8LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 62POS 0.05 GOLD SMD

0

87606-813LF

87606-813LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 26POS 0.1 GOLD PCB

0

91618-316LF

91618-316LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 32POS 0.1 GOLD SMD

0

66527-045LF

66527-045LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 90POS 0.1 GOLD PCB R/A

0

63453-020LF

63453-020LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 20POS 0.079 GOLD PCB

0

20021311-00076T4LF

20021311-00076T4LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 76POS 0.05 GOLD PCB

0

20021323-00072D4LF

20021323-00072D4LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 72POS 0.05 GOLD SMD

0

Rectangular Connectors - Headers, Receptacles, Female Sockets

1. Overview

Rectangular connectors are modular electrical components designed to establish reliable connections between PCBs (Printed Circuit Boards) or electronic systems. This category includes headers (male pins), receptacles (female contacts), and sockets, which enable signal/power transmission while maintaining mechanical stability. Their standardized designs and versatility make them critical in modern electronics, from consumer devices to industrial machinery.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Single-Row HeadersLinear arrangement of male pinsArduino shields, sensor modules
Double-Row HeadersDual-row pin configuration for higher densityComputer motherboards, industrial controllers
Right-Angle Receptacles90 orientation for space-constrained designsCompact medical devices, automotive sensors
Stacking Female SocketsVertical interconnection for multi-board systems3D printer control stacks, test equipment

3. Structure and Components

Typical construction includes:

  • Contact Terminals: Phosphor bronze or beryllium copper with gold/tin plating for conductivity
  • Insulation Housing: Thermoplastic materials (e.g., LCP, Nylon 6/6) for dielectric strength
  • Retention Mechanism: Polarization keys and locking tabs to prevent misalignment
  • Mounting Options: Through-hole or surface-mount (SMT) configurations

4. Key Technical Specifications

ParameterValue/RangeImportance
Current Rating0.5A - 10A per contactDetermines power transmission capacity
Contact Resistance5-20m Affects signal integrity and thermal performance
Dielectric Strength500V - 2500V ACEnsures electrical safety and insulation reliability
Operating Temperature-55 C to +125 CDefines environmental tolerance
Mating Cycles100 - 10,000 cyclesIndicates mechanical durability

5. Application Fields

  • Consumer Electronics: Smartphones, laptops, gaming consoles
  • Industrial Automation: PLCs, motor drives, sensor hubs
  • Telecommunications: 5G base stations, network routers
  • Medical Devices: Diagnostic equipment, patient monitors
  • Automotive: ECU connectors, ADAS sensors

6. Leading Manufacturers and Products

ManufacturerRepresentative Product
TE ConnectivityMicroSpeed Rectangular Connectors
MolexPicoBlade 0.8mm Headers
AmphenolMICRO CONECTA Surface Mount Sockets
SamtecQTRADE High-Speed Receptacles

7. Selection Guidelines

Key considerations:

  • Electrical requirements (current/voltage levels)
  • PCB space constraints and stacking needs
  • Environmental factors (temperature, vibration, moisture)
  • Cost-effectiveness vs. long-term reliability
  • Compliance with standards (IPC, RoHS, REACH)

Example: For automotive applications, prioritize connectors with high vibration resistance (e.g., TE Connectivity's AMPMODU series) and AEC-Q200 certification.

8. Industry Trends

Emerging directions include:

  • Miniaturization: Sub-1.0mm pitch connectors for wearable devices
  • High-speed capabilities: 10+ Gbps data rates for 5G infrastructure
  • Enhanced reliability: Hermetic sealing for aerospace applications
  • Modular designs: Tool-less hot-swap systems for data centers
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