Rectangular Connectors - Headers, Receptacles, Female Sockets

Image Part Number Description / PDF Quantity Rfq
91618-421LF

91618-421LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 42POS 0.1 TIN SMD

0

10131934-210ULF

10131934-210ULF

Storage & Server IO (Amphenol ICC)

CONN RCPT 10POS 0.079 GOLD PCB

0

89891-334LF

89891-334LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 68POS 0.1 GOLD PCB

0

20021323-00060T4LF

20021323-00060T4LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 60POS 0.05 GOLD SMD

0

69154-348LF

69154-348LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 96POS 0.1 GOLD SMD

0

91618-317LF

91618-317LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 34POS 0.1 GOLD SMD

0

75915-336LF

75915-336LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 36POS 0.1 GOLD PCB

0

20021323-00024T8LF

20021323-00024T8LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 24POS 0.05 GOLD SMD

0

55533-136TRLF

55533-136TRLF

Storage & Server IO (Amphenol ICC)

LPVCC 4.5 T.E SMT ASSY

0

10131934-914ULF

10131934-914ULF

Storage & Server IO (Amphenol ICC)

CONN RCPT 14POS 0.079 TIN PCB

0

76342-310HLF

76342-310HLF

Storage & Server IO (Amphenol ICC)

CONN RCPT 20POS 0.1 GOLD PCB

0

76308-236LF

76308-236LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 36POS 0.1 GOLD PCB

0

10131933-144ULF

10131933-144ULF

Storage & Server IO (Amphenol ICC)

CONN RCPT 44P 0.079 GOLD SMD R/A

0

90099-318LF

90099-318LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 18POS 0.1 GOLD PCB

0

87606-328LF

87606-328LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 56POS 0.1 GOLD PCB

0

10131930-319ULF

10131930-319ULF

Storage & Server IO (Amphenol ICC)

CONN RCPT 19P 0.079 GOLD PCB R/A

0

20021323-00070D1LF

20021323-00070D1LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 70POS 0.05 GOLD SMD

0

10131936-936ULF

10131936-936ULF

Storage & Server IO (Amphenol ICC)

MINITEK RECEP DR VCC TMT

0

20021321-00054D1LF

20021321-00054D1LF

Storage & Server IO (Amphenol ICC)

CONN RCPT 54POS 0.05 GOLD SMD

0

89898-424ALF

89898-424ALF

Storage & Server IO (Amphenol ICC)

CONN RCPT 48POS 0.1 TIN 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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