4026 SMD Chip Shunt Resistor with 4-Terminal Kelvin Design

Description

Overview

4026 SMD Chip Shunt Resistor for Precision Current Sensing

The 4026 SMD chip shunt resistor is designed for high-precision current measurement in compact PCB applications. Featuring a four-terminal Kelvin structure, it minimizes voltage measurement errors caused by contact resistance and provides accurate current sensing performance in low-resistance circuits.

Designed as a low resistance SMD current sense resistor, this component offers resistance values from 0.2mΩ to 1mΩ, excellent thermal stability, low thermal EMF, and consistent electrical performance under continuous current operation.

The compact 4026 package enables efficient PCB integration while maintaining reliable heat dissipation and mechanical strength. It is widely used in battery management systems (BMS), energy storage systems, DC power supplies, power converters, and industrial electronic equipment where accuracy and long-term stability are critical.

Key Features of 4026 SMD Chip Shunt Resistor

Four-Terminal Kelvin Design

• Separate current and sensing terminals minimize contact resistance errors for accurate low-resistance current measurement.

Ultra-Low Resistance Performance

• Available from 0.2mΩ to 1mΩ, suitable for high-current sensing and power management applications.

Low TCR & Thermal Stability

• 25–50 ppm/°C TCR minimizes resistance drift and ensures reliable measurement accuracy under temperature variations.

Electron Beam Welding Construction

• Strong welded joints provide excellent mechanical reliability and stable performance in demanding environments.

Low Inductance & High Overload Capability

• Non-inductive design with inductance <10 nH supports fast switching circuits and transient current loads.

Quality & Compliance

• • • RoHS compliant and suitable for applications requiring automotive-grade reliability.

  • Specifications of 4026 SMD Chip Shunt Resistor
    

    Type	W (mm)	L (mm)	H (mm)	R (mm)	N (mm)	S (mm)	U (mm)	T (mm)
    VB-0.2mR	6.7±0.5	10.1±0.5	3.6±0.5	5.0±0.2	1±0.15	0.7±0.1	2.0±0.2	0.6±0.15
    VB-0.3mR	6.7±0.5	10.1±0.5	3.6±0.5	5.0±0.2	1±0.15	0.7±0.1	2.0±0.2	0.6±0.15
    VB-0.5mR	6.7±0.5	10.1±0.5	3.3±0.5	5.0±0.2	1±0.15	0.7±0.1	2.0±0.2	0.6±0.15
    VB-0.7mR	6.7±0.5	10.1±0.5	3.0±0.5	5.0±0.2	1±0.15	0.7±0.1	2.0±0.2	0.4±0.15
    VB-1mR	6.7±0.5	10.1±0.5	3.0±0.5	5.0±0.2	1±0.15	0.7±0.1	2.0±0.2	0.4±0.15
    VB-2mR	6.7±0.5	10.1±0.5	3.0±0.5	5.0±0.2	1±0.15	0.7±0.1	2.0±0.2	0.4±0.15
    VB-3mR	6.7±0.5	10.1±0.5	3.0±0.5	5.0±0.2	1±0.15	0.7±0.1	2.0±0.2	0.4±0.15
    VB-4mR	6.7±0.5	10.1±0.5	3.0±0.5	5.0±0.2	1±0.15	0.7±0.1	2.0±0.2	0.4±0.15

  • Achieve ultra-precise current sensing with our 4026 four-terminal shunt resistor—designed for stability, reliability, and seamless integration into your power-critical applications.

• Common Challenges in PCB Current Sensing

  • Measurement errors in low-resistance circuits
    Contact resistance and unstable components can affect current measurement accuracy.
  • Resistance drift caused by temperature changes
    High temperature operation may lead to measurement deviation.
  • Limited PCB space for current sensing components
    Compact electronic designs require smaller yet reliable shunt solutions.
  • Heat management during continuous current operation
    High current loads require efficient thermal performance.

  How Our 4026 SMD Chip Shunt Resistor Solves These Challenges

  • Four-terminal Kelvin structure reduces measurement errors caused by contact resistance.
  • Low TCR manganin alloy element provides stable resistance performance over temperature variations.
  • Compact 4026 SMD package saves PCB space while maintaining current sensing accuracy.
  • Excellent thermal design supports reliable operation under continuous current loads.

• Applications of 4026 SMD Chip Shunt Resistor

  • Battery Management Systems (BMS)
  • Energy storage systems (ESS)
  • DC-DC converters
  • Power supply monitoring
  • Industrial control electronics
  • Portable power devices
  • Precision current measurement circuits

FAQ – 4026 SMD Chip Shunt Resistor

What is a 4026 SMD chip shunt resistor?
A compact low-resistance current sensing component designed for accurate PCB current measurement.

Why use a four-terminal Kelvin design?
The Kelvin structure reduces contact resistance errors and improves measurement accuracy in low-resistance circuits.

What resistance values are available?
Standard resistance values range from 0.2mΩ to 1mΩ, with custom values available upon request.

Where are SMD chip shunt resistors used?
Commonly used in BMS, energy storage, DC-DC converters, power supplies, and industrial electronics.

How does low TCR improve accuracy?
Low TCR minimizes resistance drift caused by temperature changes, ensuring stable current measurement.