Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
87024-640 Storage & Server IO (Amphenol ICC)	CONN RCPT 80POS 0.05 GOLD SMD	440
87606-404LF Storage & Server IO (Amphenol ICC)	CONN RCPT 8POS 0.1 TIN PCB	500
68683-307LF Storage & Server IO (Amphenol ICC)	CONN RCPT 14POS 0.1 GOLD PCB	533
63453-104LF Storage & Server IO (Amphenol ICC)	CONN RCPT 4POS 0.079 GOLD PCB	6205
10150097-3200RLF Storage & Server IO (Amphenol ICC)	MINITEK MICROSPEED 1.00MM BOARD-	756
91601-305ALF Storage & Server IO (Amphenol ICC)	CONN RCPT 5POS 0.1 GOLD SMD	0
20021321-00018T4LF Storage & Server IO (Amphenol ICC)	CONN RCPT 18POS 0.05 GOLD SMD	0
91601-318LF Storage & Server IO (Amphenol ICC)	CONN RCPT 18POS 0.1 GOLD SMD	288
20021321-00012C4LF Storage & Server IO (Amphenol ICC)	CONN RCPT 12POS 0.05 GOLD SMD	1490
68683-332LF Storage & Server IO (Amphenol ICC)	CONN RCPT 64POS 0.1 GOLD PCB	0
63453-106LF Storage & Server IO (Amphenol ICC)	CONN RCPT 6POS 0.079 GOLD PCB	0
66953-030LF Storage & Server IO (Amphenol ICC)	CONN RCPT 60POS 0.1 GOLD PCB	91
89898-308ALF Storage & Server IO (Amphenol ICC)	CONN RCPT 16POS 0.1 GOLD SMD	5617
68683-313LF Storage & Server IO (Amphenol ICC)	CONN RCPT 26POS 0.1 GOLD PCB	504
65780-046LF Storage & Server IO (Amphenol ICC)	CONN RCPT 10POS 0.1 TIN PCB	505
66951-016LF Storage & Server IO (Amphenol ICC)	CONN RCPT 16POS 0.1 GOLD PCB	169
89883-315LF Storage & Server IO (Amphenol ICC)	CONN RCPT 30POS 0.1 GOLD PCB R/A	210
76314-107LF Storage & Server IO (Amphenol ICC)	CONN RCPT 14POS 0.1 GOLD PCB	95
89898-307ALF Storage & Server IO (Amphenol ICC)	CONN RCPT 14POS 0.1 GOLD SMD	999
87024-625LF Storage & Server IO (Amphenol ICC)	CONN RCPT 50POS 0.05 GOLD SMD	51

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