Home > Products > Current Shunt Resistor > 3W Precision Chip Resistor 3920 Size Current Sense Resistor 0.005 Ohm

3W Precision Chip Resistor 3920 Size Current Sense Resistor 0.005 Ohm

Category:
Current Shunt Resistor
Payment Method:
T/T
ESR_Rve2510.pdf
Specifications
Features:
High Power,Low Temperature
Name:
Precision Chip Resistor
Manufacturer:
Ellon
Series:
ESR
Size:
3920
Resistance Range:
5mΩ(0.00025 Ohm)
Tolerance:
±1%
Power Rating:
3W
Operating Temperature Range:
-55°C To +175°C
Temperature Coefficient:
±50 Ppm/°C
Material:
FeCrAl
Per Reel:
2000
Applications:
Current Sensing, Power Supplies, Motor Control, Battery Management
Highlight:

3W Precision Chip Resistor

,

3920 Current Sense Resistor

,

Current Sense Resistor 0.005 Ohm

Introduction
3920 Size 3W Power Rating Metal Shunt Chip Resistor With ±50 Ppm/°C Temperature Coefficient And FeCrAl Material
In modern electronics where efficiency and accuracy are critical, the 3920 0.005Ω (5mΩ) 4W 1% ESR39F3WR005F02G Metal Shunt Chip Resistor delivers superior performance for power management, automotive systems, and industrial controls. This precision-engineered component combines ultra-low resistance with high power handling in a compact package.
Technical Specifications
Parameter Specification
Resistance Value 0.005Ω (5mΩ)
Tolerance ±1%
Power Rating 3W
Package Size 3920 (6.35mm * 3.15mm)
Temperature Coefficient (TCR) ±50 ppm/°C
Resistance Material Manganese Copper (FeCrAl) alloy
Operating Temperature -55°C to +175°C
Key Features
  • Ultra-low 0.005Ω resistance minimizes voltage drop and power loss
  • 4W power rating at 70°C ensures stable high-load performance
  • FeCrAl alloy construction provides excellent temperature stability
  • 1% tolerance for precision current measurement
  • Robust surge withstand capability for demanding environments
  • RoHS and REACH compliant for global environmental standards
Engineering Advantages
The FeCrAl alloy resistive element delivers exceptional performance characteristics:
  • Low temperature coefficient maintains stable resistance across operating temperatures
  • Superior long-term stability with minimal resistance drift
  • Excellent resistance to oxidation and degradation
  • High surge current capability for transient protection
Applications
This precision shunt resistor is ideal for:
  • Automotive electronics: Battery management systems, power steering, ECUs
  • Power management: Server PSUs, UPS systems, DC-DC converters
  • Industrial automation: Motor drives, VFDs, servo controls
  • Renewable energy: Solar inverters, energy storage systems
Reliability and Compliance
Designed for harsh environments with wide temperature operation (-55°C to +175°C) and full compliance with RoHS and REACH environmental regulations. The lead-free construction ensures global market acceptance.
Send RFQ
Stock:
MOQ:
2000