Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
0873400696 Woodhead - Molex	CONN RCPT 6POS 0.079 GOLD SMD	4304
2132271210 Woodhead - Molex	CLIK-MATE1.5 DRVT SMT AU0.1 ETP	0
0791077004 Woodhead - Molex	CONN RCPT 10POS 0.079 GOLD PCB	116
0015247041 Woodhead - Molex	CONN RCPT 4POS 0.165 TIN PCB	1526
0873400424 Woodhead - Molex	CONN RCPT 4POS 0.079 GOLD SMD	0
0791091209 Woodhead - Molex	CONN RCPT 20POS 0.079 GOLD SMD	2233
0009483024 Woodhead - Molex	CONN RCPT 2POS 0.156 GOLD PCB	5216
5025841260 Woodhead - Molex	CONN RCPT 12POS 0.059 TIN SMD	0
0791091007 Woodhead - Molex	CONN RCPT 16POS 0.079 GOLD SMD	2342
0448120005 Woodhead - Molex	CONN RCPT 5POS 0.1 TIN PCB	197
0015247242 Woodhead - Molex	CONN RCPT 24POS 0.165 GOLD PCB	0
5023860370 Woodhead - Molex	CONN RCPT 3POS 0.049 TIN SMD R/A	6942
0367570141 Woodhead - Molex	CONN HDR 2POS 0.25 TIN PCB	0
0791077021 Woodhead - Molex	CONN RCPT 44POS 0.079 GOLD PCB	384
0015247162 Woodhead - Molex	CONN RCPT 16POS 0.165 GOLD PCB	0
0873683024 Woodhead - Molex	CONN RCPT 30P 0.079 GOLD SMD R/A	0
5023861170 Woodhead - Molex	CONN RCPT 11P 0.049 TIN SMD R/A	6469
0872643452 Woodhead - Molex	CONN RCPT 34P 0.079 GOLD PCB R/A	0
0873681224 Woodhead - Molex	CONN RCPT 12P 0.079 GOLD SMD R/A	0
0873401424 Woodhead - Molex	CONN RCPT 14POS 0.079 GOLD SMD	122

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