Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
0447690802 Woodhead - Molex	CONN RCPT 8POS 0.118 GOLD PCB	739
0038001345 Woodhead - Molex	CONN RCPT 15POS 0.1 TIN EDGE MNT	1186
5010833010 Woodhead - Molex	CONN RCPT 30POS 0.016 GOLD SMD	503
0447640801 Woodhead - Molex	CONN RCPT 8POS 0.118 TIN PCB R/A	475
0015247103 Woodhead - Molex	CONN RCPT 10POS 0.165 GOLD PCB	2094
5025840760 Woodhead - Molex	CONN RCPT 7POS 0.059 TIN SMD	2190
0038001335 Woodhead - Molex	CONN RCPT 5POS 0.1 TIN EDGE MNT	2653
0015247161 Woodhead - Molex	CONN RCPT 16POS 0.165 TIN PCB	0
0022022055 Woodhead - Molex	CONN RCPT 5POS 0.1 TIN PCB	2771
0009484118 Woodhead - Molex	CONN RCPT 11POS 0.156 TIN PCB	34
0873401624 Woodhead - Molex	CONN RCPT 16POS 0.079 GOLD SMD	1727
0460101421 Woodhead - Molex	CONN RCPT 14POS 0.165 TIN PCB	0
5031542490 Woodhead - Molex	CONN RCPT 24POS 0.059 TIN SMD	1352
0022162080 Woodhead - Molex	CONN RCPT 8POS 0.1 GOLD EDGE MNT	112
0791091011 Woodhead - Molex	CONN RCPT 24POS 0.079 GOLD SMD	1074
5023821471 Woodhead - Molex	CONN RCPT 14POS 0.049 GOLD SMD	1325
0022142064 Woodhead - Molex	CONN RCPT 6POS 0.1 TIN PCB	0
0448120029 Woodhead - Molex	CONN RCPT 11POS 0.1 GOLD PCB	0
0022027053 Woodhead - Molex	CONN RCPT 5POS 0.1 TIN PCB	458
5054063260 Woodhead - Molex	CONN RCPT 32POS 0.059 GOLD SMD	1005

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