SMD Zero-Ohm Jumper for High-Current Industrial Applications

Description

SMD zero-ohm jumper is a compact, lightweight solution for high-current PCB interconnections and industrial power distribution. This straight tin-plated copper busbar provides excellent welding performance, high reliability, and strong overload capacity, making it ideal for space-constrained control panels, power modules, and motor drive systems. Its silver-colored surface ensures long-term durability, while its small size simplifies current sensing and system wiring in demanding industrial environments.

For regulatory compliance, see the official EU RoHS Directive

 Key Features of SMD zero-ohm  jumper

• Compact and Lightweight – Small form factor reduces weight and saves space.

• Tin-Plated Copper Surface – Ensures excellent soldering and welding performance.

• High Overload Capability – Can safely handle high currents and short-term peaks.

• Non-Inductive Design – Minimizes parasitic inductance for precise current paths.

• Versatile Use – Can function as a chip jumper resistor (SMD zero-ohm jumper) for PCB applications.

• Surface plated with nickel 2-3um,
  then tin plated 3-5um.

Applications

• Power distribution and busbar assemblies in industrial drives

• High-current PCB interconnects with SMD zero-ohm jumpers

• Battery monitoring and energy measurement systems

• Compact motor control and inverter panels

• Chip jumper resistors for PCB routing

How to Select a SMD zero-ohm  jumper?

1. Rated Current – Match busbar and jumper rating with system load.

2. Length & Dimensions – Choose proper length and hole positions for your layout.

3. Material & Surface – Tin-plated copper ensures reliable welding and long-term stability.

4. Non-Inductive Design – For accurate current distribution and sensing.

5. Temperature Range – Select for the ambient and system operating conditions.

Proper selection guarantees high reliability, minimal voltage drop, and safe operation in industrial drives, PCBs, and power modules.

• • ⚙️ Specifications of SMD zero-ohm  jumper:

    • Material: T2 Copper + Manganin Shunt

    • Rated current: Up to 500A (customizable)

    • Resistance tolerance: ±1%~±5%

    • Surface: Bare / Tin-plated / Insulated

    • RoHS compliant, available with 2D/3D drawings upon request

      FAQ – SMD zero-ohm shunt jumper

      Q1: What is the maximum current this busbar can handle?
      Rated up to 500A, depending on length and installation conditions.

      Q2: Can it be soldered or welded?
      Yes, the tin-plated surface ensures excellent soldering and welding performance.

      Q3: Is it non-inductive?
      Yes, the straight design minimizes parasitic inductance for precise current paths.

      Q4: Can it be used as a PCB jumper?
      Yes, it can function as a SMD zero-ohm chip jumper resistor for compact PCB routing.

      Q5: Can it be customized?
      Yes, lengths, hole positions, and surface treatment can be tailored to your system requirements.

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       Summary

      This straight tin-plated copper busbar combines high reliability, overload capacity, compact size, and excellent welding performance. It is ideal for industrial busbar assemblies, PCB SMD jumpers, battery monitoring, and high-current interconnections.