Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
25630401RP2 NorComp	CONN RCPT 4POS 0.079 GOLD PCB	601
25631101RP2 NorComp	CONN RCPT 11POS 0.079 GOLD PCB	300
28642006RP2 NorComp	CONN RCPT 20POS 0.079 GOLD SMD	0
25647201RP2 NorComp	CONN RCPT 72POS 0.079 GOLD PCB	0
25630301RP2 NorComp	CONN RCPT 3POS 0.079 GOLD PCB	2309
25630901RP2 NorComp	CONN RCPT 9POS 0.079 GOLD PCB	517
25640801RP2 NorComp	CONN RCPT 8POS 0.079 GOLD PCB	606
25641201RP2 NorComp	CONN RCPT 12POS 0.079 GOLD PCB	54
25642401RP2 NorComp	CONN RCPT 24POS 0.079 GOLD PCB	221
28643006RP2 NorComp	CONN RCPT 30POS 0.079 GOLD SMD	1123
25631201RP2 NorComp	CONN RCPT 12POS 0.079 GOLD PCB	500
28630606RP2 NorComp	CONN RCPT 6POS 0.079 GOLD SMD	600
25631501RP2 NorComp	CONN RCPT 15POS 0.079 GOLD PCB	39
25631401RP2 NorComp	CONN RCPT 14POS 0.079 GOLD PCB	0
28630406RP2 NorComp	CONN RCPT 4POS 0.079 GOLD SMD	6641
28631006RP2 NorComp	CONN RCPT 10POS 0.079 GOLD SMD	1164
25640601RP2 NorComp	CONN RCPT 6POS 0.079 GOLD PCB	0
25641401RP2 NorComp	CONN RCPT 14POS 0.079 GOLD PCB	43
28641606RP2 NorComp	CONN RCPT 16POS 0.079 GOLD SMD	0
25642001RP2 NorComp	CONN RCPT 20POS 0.079 GOLD PCB	315

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