Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
1061662 Phoenix Contact	SMD FEMALE CONNECTOR, NOMINAL CU	500
1061660 Phoenix Contact	SMD FEMALE CONNECTOR, NOMINAL CU	500
1714888 Phoenix Contact	CONN RECPTACLE 1.27MM 68POS SMD	536280
1061584 Phoenix Contact	SMD FEMALE CONNECTOR, NOMINAL CU	238
1714881 Phoenix Contact	CONN RECEPTACLE 1.27MM 20POS SMD	490
1714894 Phoenix Contact	CONN RECEPTACLE 1.27MM 26POS SMD	528
1715000 Phoenix Contact	CONN RECEPTACLE 1.27MM 16POS SMD	538
1714885 Phoenix Contact	CONN RECEPTACLE 1.27MM 40POS SMD	556
1714898 Phoenix Contact	CONN RECEPTACLE 1.27MM 50POS SMD	556280
1714873 Phoenix Contact	CONN RECPT 1.27MM 26POS SMD RA	385560
1053614 Phoenix Contact	CONN RECEPTACLE 0.8MM 20POS SMD	499
1714882 Phoenix Contact	CONN RECEPTACLE 1.27MM 26POS SMD	560280
1714899 Phoenix Contact	CONN RECEPTACLE 1.27MM 68POS SMD	559280
1714884 Phoenix Contact	CONN RECEPTACLE 1.27MM 32POS SMD	524
1714875 Phoenix Contact	CONN RECPT 1.27MM 32POS SMD RA	1112
1714889 Phoenix Contact	CONN RECEPTACLE 1.27MM 80POS SMD	560280
1714901 Phoenix Contact	CONN RECEPTACLE 1.27MM 80POS SMD	552280
1061583 Phoenix Contact	SMD FEMALE CONNECTOR, NOMINAL CU	250
1714895 Phoenix Contact	CONN RECEPTACLE 1.27MM 32POS SMD	413280
1701388 Phoenix Contact	CONN HDR 4POS 0.079 GOLD PCB	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

Type	Functional Features	Application Examples
Single-Row Headers	Linear arrangement of male pins	Arduino shields, sensor modules
Double-Row Headers	Dual-row pin configuration for higher density	Computer motherboards, industrial controllers
Right-Angle Receptacles	90 orientation for space-constrained designs	Compact medical devices, automotive sensors
Stacking Female Sockets	Vertical interconnection for multi-board systems	3D 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

Parameter	Value/Range	Importance
Current Rating	0.5A - 10A per contact	Determines power transmission capacity
Contact Resistance	5-20m	Affects signal integrity and thermal performance
Dielectric Strength	500V - 2500V AC	Ensures electrical safety and insulation reliability
Operating Temperature	-55 C to +125 C	Defines environmental tolerance
Mating Cycles	100 - 10,000 cycles	Indicates 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

Manufacturer	Representative Product
TE Connectivity	MicroSpeed Rectangular Connectors
Molex	PicoBlade 0.8mm Headers
Amphenol	MICRO CONECTA Surface Mount Sockets
Samtec	QTRADE 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