Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
0448120027 Woodhead - Molex	CONN RCPT 9POS 0.1 GOLD PCB	0
0009484098 Woodhead - Molex	CONN RCPT 9POS 0.156 TIN PCB	2597
5023861470 Woodhead - Molex	CONN RCPT 14P 0.049 TIN SMD R/A	3561
5025840570 Woodhead - Molex	CONN RCPT 5POS 0.059 TIN SMD	0
0022162020 Woodhead - Molex	CONN RCPT 2POS 0.1 GOLD EDGE MNT	424
0022022095 Woodhead - Molex	CONN RCPT 9POS 0.1 TIN PCB	687
0009482081 Woodhead - Molex	CONN RCPT 8P 0.156 TIN EDGE MNT	869
0901471114 Woodhead - Molex	CONN RCPT 14POS 0.1 TIN PCB	395
5031480890 Woodhead - Molex	CONN RCPT 8POS 0.059 TIN SMD R/A	8621
2132260411 Woodhead - Molex	CLIK-MATE1.5 SRRA SMT AU0.1 ETP	0
5024430870 Woodhead - Molex	CONN RCPT 8POS 0.079 TIN SMD	59416
0015445840 Woodhead - Molex	CONN RCPT 40POS 0.1 GOLD PCB	121
0447691001 Woodhead - Molex	CONN RCPT 10POS 0.118 TIN PCB	567
0873819002 Woodhead - Molex	CONN RCPT 6POS 0.079 GOLD SMD	2457
0447692401 Woodhead - Molex	CONN RCPT 24POS 0.118 TIN PCB	745
5025840260 Woodhead - Molex	CONN RCPT 2POS 0.059 TIN SMD	3533
0015243048 Woodhead - Molex	CONN RCPT 4POS 0.165 GOLD PCB	0
0009484068 Woodhead - Molex	CONN RCPT 6POS 0.156 TIN PCB	6182
0791098401 Woodhead - Molex	CONN RCPT 4POS 0.079 GOLD SMD	540
0447641802 Woodhead - Molex	CONN RCPT 18P 0.118 GOLD PCB R/A	1869

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