High Current SMD Copper Jumper | Low Resistance PCB Connection Solution

  • Integrated shunt for accurate current sensing

  • High-conductivity copper body

  • Compact and space-saving design

  • Ideal for industrial motor drives and inverters

  • Customizable specs and RoHS compliant

Category:

Description

High Current SMD Copper Jumper / Metal Shunt Jumper Bar

The High Current SMD Copper Jumper (Metal Shunt Jumper Bar) is designed for high-current PCB applications where low resistance, high conductivity, and reliable electrical connections are required.

Manufactured from high-conductivity copper or precision metal alloy materials, this compact jumper component provides an ultra-low resistance current path for power electronics, replacing traditional PCB copper traces or conventional zero-ohm resistors in demanding applications.

Compared with standard SMD resistors or PCB trace connections, a metal shunt jumper bar offers:

  • Higher current carrying capability
  • Lower electrical resistance
  • Better thermal performance
  • Improved long-term reliability under continuous load

This SMD copper jumper is suitable for power supply boards, battery systems, inverters, motor controllers, energy storage equipment, and other high-current electronic assemblies.

Why Choose SMD Copper Jumper Instead of Zero Ohm Resistor?

Traditional zero-ohm resistors are commonly used as PCB jumpers for signal routing or low-current connections. However, in high-current applications, they may become a thermal limitation due to:

  • Limited current capacity
  • Small component size
  • Increased temperature rise
  • Power loss during continuous operation

A high-current SMD copper jumper provides a more robust alternative by creating a low-resistance metallic connection with better current capability.

Key Features of High Current SMD Copper Jumper

High Current Carrying Capability

The metal jumper bar structure supports high continuous current with minimal voltage drop and power loss.

Suitable for applications requiring reliable PCB current distribution.

Ultra-Low Resistance Connection

Designed to provide a stable electrical path with extremely low resistance.

This helps reduce:

  • I²R power loss
  • Heat generation
  • Voltage drop

in high-current circuits.

High Thermal Performance

Compared with conventional SMD resistor jumpers, the metal structure provides improved heat dissipation and temperature stability during continuous operation.

Compact PCB Integration

The compact flat-bar design allows direct mounting on PCB assemblies where space saving and high current capability are required.

Suitable for:

  • Power modules
  • Busbar connections
  • High-current PCB designs

High Conductivity Copper Structure

Made from high conductivity metal materials to ensure reliable current transfer and long-term mechanical stability.

Technical Specifications

Parameter Value
Product Type SMD Copper Jumper / Metal Shunt Jumper Bar
Material Copper / Metal Alloy
Resistance Ultra Low Resistance
Application Current High Current Applications
Structure Flat Bar / Straight Shape
Mounting PCB Surface Mount / Custom Assembly
Compliance RoHS

Dimensions (mm):

Length: 11±0.2
Width:4.5±0.2
Thickness: 2±0.05

Applications

• Power Electronics
– Power supply systems
– DC-DC converters
– Inverters
– Motor controllers

• Energy Storage Systems
– Battery management systems (BMS)
– Battery power modules
– Energy storage equipment

• High Current PCB Applications
PCB copper trace replacement
Zero-ohm resistor replacement
– Current path optimization
Power distribution boards

• Industrial Equipment
– Industrial automation systems
– Control systems
– Power monitoring equipment

Shunt Embedded Busbar in Application

pcb-jumperSMD Copper Jumper vs Zero Ohm Resistor

SMD Copper Jumper Zero Ohm Resistor
Current Capability High Limited
Resistance Ultra Low Higher
Thermal Performance Better More heat accumulation
Application Power circuits Signal routing
Reliability under high current Excellent Limited

Custom High Current PCB Jumper Solutions

We support customized:

  • Dimensions
  • Resistance values
  • Current ratings
  • Mounting structures
  • Copper thicknessfor different PCB power applications.If you need a replacement for PCB traces, zero-ohm resistors, or standard jumpers in high-current circuits, our engineering team can provide a suitable solution.