Open Air Current Sense Resistor 0.01Ω Precision

Description

Overview

This open air 0.01Ω current sense shunt resistor is designed for precise high-current monitoring in power supply modules, battery systems, and motor control circuits. With low inductance and excellent thermal dissipation, it enables accurate voltage drop sensing with minimal energy loss. Its open-frame design allows for efficient air cooling, making it ideal for compact PCB layouts and EMS applications requiring precision current feedback.

shunt-for-power-control-module

Key Features of the Open Air Current Sense Resistor

  • Ultra-low 0.01Ω resistance for high-current sensing

  • Open-air frame design for natural heat dissipation

  • Low inductance and excellent pulse handling

  • Suitable for surface-mount or screw-mount installation

  • Ideal for power control, battery packs, and DC systems

Product Nominal

CategoryCode / ValueDescription
MaterialKConstantan (Manganese copper wire, Cu-Ni alloy)
Pin Pitch101.0 mm
Resistance2020 mΩ
ShapeUU-type
Other ShapesM, M2, LX, UZ, HXM: M-type, LX: Spiral, UZ: Folding feet, HX: Custom
Ordering Notes• Specify wire diameter “A”
• Rated current
• Pin pitch span “W”
• Resistance value
• Other requirements (e.g. board height, foot length)
Parameter GuideA: Wire size meter, H: Height, H1: Pin length, E: Presser foot, W: Pin pitch

Product Shape

Shape 1Shape 2Shape 3
U Type
metal strip resistor
UZ Type
wire resistor
HX Type
Hx type shunt resistor
M Type
M type shunt resistor
M2 Type
M-type metal strip resistor
LX Type
spring resistor

 

Ordering Information (Key Parameters)

Applications

  • DC-DC converter modules in EVs, telecom, and industrial equipment

  • Power controllers and inverters for renewable energy systems

  • Battery management systems (BMS) for accurate current measurement

  • Motor drives, fan controllers, and HVAC power units

  • Compact UPS modules and power distribution board

Learn more on Wikipedia

Explore more current sense resistors for PCB applications →M-Type Open Air Current Sense Shunt Resistor