Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
0009483036 Woodhead - Molex	CONN RCPT 3POS 0.156 GOLD PCB	42
0447691003 Woodhead - Molex	CONN RCPT 10POS 0.118 GOLD PCB	0
0432550131 Woodhead - Molex	CONN HDR 4POS 0.25 TIN PCB	0
0901512116 Woodhead - Molex	CONN RCPT 16POS 0.1 TIN PCB	0
0038001424 Woodhead - Molex	CONN RCPT 4POS 0.1 TIN PCB	45
5023820672 Woodhead - Molex	CONN RCPT 6POS 0.049 TIN SMD	5327
0022162070 Woodhead - Molex	CONN RCPT 7POS 0.1 GOLD EDGE MNT	192
0015445110 Woodhead - Molex	CONN RCPT 10POS 0.1 GOLD PCB	0
0010101081 Woodhead - Molex	CONN RCPT 8POS 0.2 TIN EDGE MNT	2029
0010845041 Woodhead - Molex	CONN HDR 4POS 0.25 TIN PCB	513
5054050870 Woodhead - Molex	CONN RCPT 8POS 0.059 GOLD SMD	3818
0873684824 Woodhead - Molex	CONN RCPT 48P 0.079 GOLD SMD R/A	0
0015247042 Woodhead - Molex	CONN RCPT 4POS 0.165 GOLD PCB	0
0447640403 Woodhead - Molex	CONN RCPT 4P 0.118 GOLD PCB R/A	0
0022172052 Woodhead - Molex	CONN RCPT 5POS 0.1 GOLD PCB	1538
5023820670 Woodhead - Molex	CONN RCPT 6POS 0.049 TIN SMD	193328400
0009483056 Woodhead - Molex	CONN RCPT 5POS 0.156 GOLD PCB	2427
0901481204 Woodhead - Molex	CONN RCPT 4POS 0.1 GOLD PCB R/A	515
0447690403 Woodhead - Molex	CONN RCPT 4POS 0.118 GOLD PCB	0
0901512114 Woodhead - Molex	CONN RCPT 14POS 0.1 TIN PCB	609

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