Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
5025851070 Woodhead - Molex	CONN RCPT 10P 0.059 TIN SMD R/A	1072
0015247180 Woodhead - Molex	CONN RCPT 18POS 0.165 TIN PCB	1732
0447641401 Woodhead - Molex	CONN RCPT 14P 0.118 TIN PCB R/A	752
0015247102 Woodhead - Molex	CONN RCPT 10POS 0.165 GOLD PCB	0
5023820371 Woodhead - Molex	CONN RCPT 3POS 0.049 GOLD SMD	3620
0447640603 Woodhead - Molex	CONN RCPT 6P 0.118 GOLD PCB R/A	0
5054061060 Woodhead - Molex	CONN RCPT 10POS 0.059 GOLD SMD	1652
0791091009 Woodhead - Molex	CONN RCPT 20POS 0.079 GOLD SMD	5336
0022142054 Woodhead - Molex	CONN RCPT 5POS 0.1 TIN PCB	3388
5031750210 Woodhead - Molex	CONN RCPT 2POS 0.059 TIN PCB R/A	2931
5023820472 Woodhead - Molex	CONN RCPT 4POS 0.049 TIN SMD	4414
0872642252 Woodhead - Molex	CONN RCPT 22P 0.079 GOLD PCB R/A	0
0873682024 Woodhead - Molex	CONN RCPT 20P 0.079 GOLD SMD R/A	0
5023860672 Woodhead - Molex	CONN RCPT 6POS 0.049 TIN SMD R/A	4539
0022162101 Woodhead - Molex	CONN RCPT 10P 0.1 GOLD EDGE MNT	1705
0447691602 Woodhead - Molex	CONN RCPT 16POS 0.118 GOLD PCB	1745
0873681624 Woodhead - Molex	CONN RCPT 16P 0.079 GOLD SMD R/A	858
5025851270 Woodhead - Molex	CONN RCPT 12P 0.059 TIN SMD R/A	2379
0447691403 Woodhead - Molex	CONN RCPT 14POS 0.118 GOLD PCB	0
0010844152 Woodhead - Molex	CONN HDR 15POS 0.25 TIN PCB	3681

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