The PJ-320A is a panel-mount or PCB-mount DC barrel power jack connector designed for low-voltage DC power input applications in embedded and consumer electronic systems. This connector provides a reliable interface for external DC power adapters and is commonly used in development boards, communication devices, industrial electronics, portable equipment, and power distribution modules.
The connector is engineered for stable mechanical retention and consistent electrical contact performance during repeated insertion and removal cycles. Its compact construction and standardized barrel interface support broad compatibility with common DC plug adapters used in low-voltage electronic systems.
The PJ-320A is widely implemented in embedded hardware, battery charging systems, portable electronics, instrumentation equipment, and microcontroller-based applications requiring secure external power connectivity. Its durable housing and solderable terminal structure support reliable PCB integration and automated assembly processes.
Engineering Specification
Device Type
DC barrel power jack connector
Connector Function
External DC power input interface
Mounting Style
PCB mount or panel mount depending on implementation
Connector Configuration
Coaxial barrel-style power connector
Electrical Characteristics
Designed for low-voltage DC power transmission
Contact Structure
Spring-contact conductive interface for stable plug retention
Mechanical Features
Durable insertion and extraction cycle performance
Housing Material
Insulated high-strength connector body
Terminal Configuration
Solderable PCB terminal interface
Reliability Features
Stable contact resistance and secure mechanical retention
Assembly Compatibility
Suitable for automated and manual PCB assembly processes
Package Structure
Compact embedded connector form factor
Applications
Embedded systems
Portable electronics
Power adapter interfaces
Microcontroller development boards
Battery charging systems
Industrial electronics
Consumer devices
Communication equipment
Instrumentation systems
Low-voltage DC power distribution
Manufacturer
Commonly associated with generic DC power connector manufacturers
