Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
0791077006 Woodhead - Molex	CONN RCPT 14POS 0.079 GOLD PCB	1075
0447642001 Woodhead - Molex	CONN RCPT 20P 0.118 TIN PCB R/A	0
0791091019 Woodhead - Molex	CONN RCPT 40POS 0.079 GOLD SMD	975
5023820470 Woodhead - Molex	CONN RCPT 4POS 0.049 TIN SMD	6954
0791091005 Woodhead - Molex	CONN RCPT 12POS 0.079 GOLD SMD	144
0872642852 Woodhead - Molex	CONN RCPT 28P 0.079 GOLD PCB R/A	0
0022162050 Woodhead - Molex	CONN RCPT 5POS 0.1 GOLD EDGE MNT	2941
0872641252 Woodhead - Molex	CONN RCPT 12P 0.079 GOLD PCB R/A	85
5025840460 Woodhead - Molex	CONN RCPT 4POS 0.059 TIN SMD	0
0901522116 Woodhead - Molex	CONN RCPT 16POS 0.1 TIN PCB R/A	2257
5024431270 Woodhead - Molex	CONN RCPT 12POS 0.079 TIN SMD	1225
5054051070 Woodhead - Molex	CONN RCPT 10POS 0.059 GOLD SMD	2148
0872643252 Woodhead - Molex	CONN RCPT 32P 0.079 GOLD PCB R/A	1216
0015247043 Woodhead - Molex	CONN RCPT 4POS 0.165 GOLD PCB	4820
0791098405 Woodhead - Molex	CONN RCPT 12POS 0.079 GOLD SMD	0
0901481103 Woodhead - Molex	CONN RCPT 3POS 0.1 TIN PCB R/A	2931
0022142124 Woodhead - Molex	CONN RCPT 12POS 0.1 TIN PCB	1597
0447641602 Woodhead - Molex	CONN RCPT 16P 0.118 GOLD PCB R/A	350
0901471104 Woodhead - Molex	CONN RCPT 4POS 0.1 TIN PCB	23119
0448120006 Woodhead - Molex	CONN RCPT 6POS 0.1 TIN PCB	268

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