Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
15251002601000 HARTING	CONN RCPT 100POS 0.05 SMD R/A	443
15210802601000 HARTING	CONN RCPT 80POS 0.05 GOLD SMD	308
15620022601000 HARTING	HAR-FLEX POWER STRAIGHT FEMALE,	0
15230062601000 HARTING	HAR-FLEX STR F 13.65MM 6P PL1	165
15210102601000 HARTING	CONN RCPT 10POS 0.05 GOLD SMD	484
15210682601000 HARTING	CONN RCPT 68POS 0.05 GOLD SMD	146
15858362601000 HARTING	HAR-FLEX HYBRID ANGLED FEMALE, 8	0
15210062401000 HARTING	CONN RCPT 6POS 0.05 GOLD SMD	219
15210062601000 HARTING	CONN RCPT 6POS 0.05 GOLD SMD	0
15230682601000 HARTING	HAR-FLEX STR F 13.65MM 68P PL1	170
15220262401000 HARTING	CONN RCPT 26POS 0.05 GOLD SMD	116
15210122601000 HARTING	CONN RCPT 12POS 0.05 GOLD SMD	155
15220202401000 HARTING	CONN RCPT 20POS 0.05 GOLD SMD	62
02529031301 HARTING	HAR MODULAR H3 MODULE FEMALE STR	0
15250682601000 HARTING	CONN RCPT 68POS 0.05 SMD R/A	214
15210502601000 HARTING	CONN RCPT 50POS 0.05 GOLD SMD	116
02529041201 HARTING	HAR MODULAR F4 MODULE FEMALE STR	100
15250502601000 HARTING	CONN RCPT 50POS 0.05 SMD R/A	1032
15230122601000 HARTING	HAR-FLEX STR F 13.65MM 12P PL1	170
15220322601000 HARTING	CONN RCPT 32POS 0.05 GOLD SMD	314

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