Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
0791077014 Woodhead - Molex	CONN RCPT 30POS 0.079 GOLD PCB	0
0022027033 Woodhead - Molex	CONN RCPT 3POS 0.1 TIN PCB	2865
0791098402 Woodhead - Molex	CONN RCPT 6POS 0.079 GOLD SMD	307
0009483065 Woodhead - Molex	CONN RCPT 6P 0.156 GOLD EDGE MNT	629
0009483025 Woodhead - Molex	CONN RCPT 2P 0.156 GOLD EDGE MNT	1691
0873684624 Woodhead - Molex	CONN RCPT 46P 0.079 GOLD SMD R/A	0
5025850970 Woodhead - Molex	CONN RCPT 9POS 0.059 TIN SMD R/A	2887
0460100421 Woodhead - Molex	CONN RCPT 4POS 0.165 TIN PCB	590
5024940370 Woodhead - Molex	CONN RCPT 3POS 0.079 TIN SMD R/A	809
0009482121 Woodhead - Molex	CONN RCPT 12P 0.156 TIN EDGE MNT	462
0009483104 Woodhead - Molex	CONN RCPT 10POS 0.156 GOLD PCB	4063
0009483095 Woodhead - Molex	CONN RCPT 9P 0.156 GOLD EDGE MNT	0
0901481104 Woodhead - Molex	CONN RCPT 4POS 0.1 TIN PCB R/A	919
0038001334 Woodhead - Molex	CONN RCPT 4POS 0.1 TIN EDGE MNT	1124
0872630623 Woodhead - Molex	CONN RCPT 6POS 0.079 GOLD SMD	6059
2132260410 Woodhead - Molex	CONN RECPT R/A SMC 4 POS	891
0901481106 Woodhead - Molex	CONN RCPT 6POS 0.1 TIN PCB R/A	439
0009483114 Woodhead - Molex	CONN RCPT 11POS 0.156 GOLD PCB	0
5020464070 Woodhead - Molex	CONN RCPT 40P 0.049 GOLD SMD R/A	1965
0015247183 Woodhead - Molex	CONN RCPT 18POS 0.165 GOLD PCB	1628

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