Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
5031591000 Woodhead - Molex	CONN RCPT 10POS 0.059 TIN PCB	2137
5010834010 Woodhead - Molex	CONN RCPT 40POS 0.016 GOLD SMD	7484
5023820572 Woodhead - Molex	CONN RCPT 5POS 0.049 TIN SMD	5822
0873400476 Woodhead - Molex	CONN RCPT 4POS 0.079 GOLD SMD	186
0448120012 Woodhead - Molex	CONN RCPT 12POS 0.1 TIN PCB	927
0448120009 Woodhead - Molex	CONN RCPT 9POS 0.1 TIN PCB	24
5024430670 Woodhead - Molex	CONN RCPT 6POS 0.079 TIN SMD	1262
5024941570 Woodhead - Molex	CONN RCPT 15P 0.079 TIN SMD R/A	2420
0022173112 Woodhead - Molex	CONN RCPT 11POS 0.1 GOLD PCB	0
0010845061 Woodhead - Molex	CONN HDR 6POS 0.25 TIN PCB	3307
0791077019 Woodhead - Molex	CONN RCPT 40POS 0.079 GOLD PCB	3307
0022173042 Woodhead - Molex	CONN RCPT 4POS 0.1 GOLD PCB	298
2132250610 Woodhead - Molex	CONN RECPT VERT SMC 6 POS	772
0901522110 Woodhead - Molex	CONN RCPT 10POS 0.1 TIN PCB R/A	43
0432550027 Woodhead - Molex	CONN HDR 6POS 0.25 TIN PCB	0
0444751021 Woodhead - Molex	CONN RCPT 10POS 0.165 TIN PCB	1239
0447692402 Woodhead - Molex	CONN RCPT 24POS 0.118 GOLD PCB	1278
0022152106 Woodhead - Molex	CONN RCPT 10POS 0.1 TIN EDGE MNT	0
5025841070 Woodhead - Molex	CONN RCPT 10POS 0.059 TIN SMD	6852
5023820272 Woodhead - Molex	CONN RCPT 2POS 0.049 TIN SMD	10722

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