Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
0038001398 Woodhead - Molex	CONN RCPT 8POS 0.1 TIN PCB	2006
0022022115 Woodhead - Molex	CONN RCPT 11POS 0.1 TIN PCB	0
0448120024 Woodhead - Molex	CONN RCPT 6POS 0.1 GOLD PCB	58
0447642403 Woodhead - Molex	CONN RCPT 24P 0.118 GOLD PCB R/A	748
5054063460 Woodhead - Molex	CONN RCPT 34POS 0.059 GOLD SMD	68
0791077007 Woodhead - Molex	CONN RCPT 16POS 0.079 GOLD PCB	467
5023820870 Woodhead - Molex	CONN RCPT 8POS 0.049 TIN SMD	6548
0022022065 Woodhead - Molex	CONN RCPT 6POS 0.1 TIN PCB	2382
5025840470 Woodhead - Molex	CONN RCPT 4POS 0.059 TIN SMD	0
5023820972 Woodhead - Molex	CONN RCPT 9POS 0.049 TIN SMD	6117
0901512214 Woodhead - Molex	CONN RCPT 14POS 0.1 GOLD PCB	258
0038001336 Woodhead - Molex	CONN RCPT 6POS 0.1 TIN EDGE MNT	2402
0038001333 Woodhead - Molex	CONN RCPT 3POS 0.1 TIN EDGE MNT	100
0015247244 Woodhead - Molex	CONN RCPT 24POS 0.165 TIN PCB	0
0444752421 Woodhead - Molex	CONN RCPT 24POS 0.165 TIN PCB	1327
0791098404 Woodhead - Molex	CONN RCPT 10POS 0.079 GOLD SMD	2450
0009482051 Woodhead - Molex	CONN RCPT 5P 0.156 TIN EDGE MNT	4544
5023860270 Woodhead - Molex	CONN RCPT 2POS 0.049 TIN SMD R/A	8150
5025841470 Woodhead - Molex	CONN RCPT 14POS 0.059 TIN SMD	21487
5023820770 Woodhead - Molex	CONN RCPT 7POS 0.049 TIN SMD	12961

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