Rectangular Connectors - Headers, Receptacles, Female Sockets

Part Number	Description / PDF	Quantity
FR20204HBDN RIA Connect / METZ CONNECT	RECEPTACLE, THR, DUAL ROW, .100"	3479
FR20C03HBDN0001 RIA Connect / METZ CONNECT	RECEPTACLE, THR, DUAL ROW, 2.00	1577
FR20C04HBNN RIA Connect / METZ CONNECT	RECEPTACLE, THR, SINGLE ROW, 2.0	2904
FR20206HBNN RIA Connect / METZ CONNECT	RECEPTACLE, THR, SINGLE ROW, .10	1043
FM20B06VBDN RIA Connect / METZ CONNECT	RECEPTACLE, SMT, DUAL ROW, 1.27	2925
FR20204VBDN RIA Connect / METZ CONNECT	RECEPTACLE, THR, DUAL ROW, .100"	749
FM20C06VBNN RIA Connect / METZ CONNECT	CONN RCPT 6POS 0.079 SMD	1568
FM20206VBDN RIA Connect / METZ CONNECT	RECEPTACLE, SMT, LOW PROFILE, DU	1494
FR20C06HBNN RIA Connect / METZ CONNECT	RECEPTACLE, THR, SINGLE ROW, 2.0	864
FR20203VBDN RIA Connect / METZ CONNECT	CONN RCPT 6POS 0.1 PCB	1801
FM20B08VBDN RIA Connect / METZ CONNECT	RECEPTACLE, SMT, DUAL ROW, 1.27	2903
FR20C06VBNN RIA Connect / METZ CONNECT	CONN RCPT 6POS 0.079 PCB	668
FM20B04VBDN RIA Connect / METZ CONNECT	RECEPTACLE, SMT, DUAL ROW, 1.27	1708
FR20C02VBDN RIA Connect / METZ CONNECT	RECEPTACLE, THR, DUAL ROW, 2.00	1190
FR20C05HBDN0001 RIA Connect / METZ CONNECT	RECEPTACLE, THR, DUAL ROW, 2.00	908
FR20C04HBDN0001 RIA Connect / METZ CONNECT	RECEPTACLE, THR, DUAL ROW, 2.00	1198
FR20204VBNN RIA Connect / METZ CONNECT	RECEPTACLE, THR, SINGLE ROW, .10	772
FM20C05VBDN00G7 RIA Connect / METZ CONNECT	CONN RCPT 10POS 0.079 SMD	4497
FM20B05VBDN RIA Connect / METZ CONNECT	RECEPTACLE, SMT, DUAL ROW, 1.27	3144
FR20205VBDN RIA Connect / METZ CONNECT	RECEPTACLE, THR, DUAL ROW, .100"	2088

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