Terminals - PC Pin Receptacles, Socket Connectors

Part Number	Description / PDF	Quantity
D01-9820401 Harwin	CONN PIN RCPT .016-.020 SOLDER	0
H8504-05 Harwin	CONN PIN RCPT .024-.033 SOLDER	7886
H8505-01 Harwin	CONN PIN RCPT .023-.033 SOLDER	3655
D01-9842001 Harwin	CONN PIN RCPT .016-.020 SOLDER	0
H3161-05 Harwin	CONN PIN RCPT .035-.041 KNURL	5975
H3165-05 Harwin	CONN PIN RCPT .035-.041 KNURL	0
H3490-01 Harwin	CONN PIN RCPT .079 SOLDER	1407
H3191-05 Harwin	CONN PIN RCPT .018-.020 SOLDER	904
D01-9821201 Harwin	CONN PIN RCPT .016-.020 SOLDER	0
H8502-01 Harwin	CONN PIN RCPT .023-.033 KNURL	2138
D01-9900601 Harwin	CONN PIN RCPT .016-.020 SOLDER	0
D01-9821001 Harwin	CONN PIN RCPT .016-.020 SOLDER	0
D01-9901701 Harwin	CONN PIN RCPT .016-.020 SOLDER	0
D01-9900801 Harwin	CONN PIN RCPT .016-.020 SOLDER	184
D01-9900901 Harwin	CONN PIN RCPT .016-.020 SOLDER	0
S8071-46R Harwin	CONN PIN RCPT .028 SOLDER	27839
D01-9791201 Harwin	CONN PIN RCPT .016-.020 SOLDER	0
S9111-45R Harwin	CONN PIN RCPT .059-0.075 SOLDER	2649
D01-9823201 Harwin	CONN PIN RCPT .016-.020 SOLDER	0
D01-9822001 Harwin	CONN PIN RCPT .016-.020 SOLDER	0

Terminals - PC Pin Receptacles, Socket Connectors

1. Overview

PC Pin Receptacles and Socket Connectors are fundamental components in electronic systems, providing secure electrical connections between printed circuit boards (PCBs) and other devices. These connectors enable modular design, ease of maintenance, and reliable signal/power transmission. Their importance spans across computing, telecommunications, industrial automation, and consumer electronics sectors.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Right-Angle Pin Receptacles	90 orientation for space optimization	Desktop motherboard peripheral connections
Through-Hole Socket Connectors	High mechanical stability with PCB via mounting	Industrial control panel interfaces
High-Density Array Connectors	Miniaturized contacts for compact designs	Smartphone board-to-board connections
Power Pin Receptacles	Heavy-duty contacts for high-current applications	Server power distribution units

3. Structure and Components

Typical construction includes:

Insulating housing (LCP/PBT thermoplastic materials)
Contact springs (phosphor bronze with gold plating)
Polarization keying features
PCB mounting retention mechanisms
EMI shielding layers (for high-frequency variants)

4. Key Technical Specifications

Parameter	Value Range	Importance
Current Rating	1-5A per contact	Determines power handling capacity
Contact Resistance	5-20m	Impacts signal integrity
Dielectric Withstanding Voltage	500V-1kV	Safety isolation requirement
Mating Cycles	500-10,000 cycles	Service life indicator
Operating Temperature	-55 C to +125 C	Environmental reliability

5. Application Fields

Primary industries:

Computer hardware (motherboards, GPUs)
Telecom infrastructure (5G base stations)
Automotive electronics (ECUs, sensors)
Medical devices (diagnostic equipment)
Aerospace systems (avionics modules)

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
TE Connectivity	MICRO MATCH Series	0.8mm contact spacing, 3A rating
Amphenol ICC	SmartArray High-Speed Socket	10Gbps data rate capability
Molex	PicoBlade Connector System	Space-saving 1.25mm pitch design
Samtec	SEARAY High-Density Array	Up to 4,000+ contact positions

7. Selection Guidelines

Key considerations:

Electrical requirements (current/voltage needs)
Environmental conditions (temperature/humidity range)
Space constraints (board layout limitations)
Service life expectations (maintenance frequency)
Compliance standards (RoHS, REACH, IPC-6012)

8. Industry Trends Analysis

Emerging developments include:

Miniaturization (sub-0.5mm contact pitch research)
High-speed signal optimization (5G/6G compatibility)
Integrated EMI shielding solutions
Advanced plating materials (nanocoatings for corrosion resistance)
Smart connector integration (embedded sensors for predictive maintenance)