3920 Current Shunt Resistor Metal Chip Shunt Resistor 3W 0.005Ω
Specifications
Features:
High Power,Low Temperature
Name:
Current Shunt Resistor
Manufacturer:
Ellon
Series:
ESR
Size:
3920
Resistance Range:
5mΩ(0.005 Ohm)
Tolerance:
±1%
Power Rating:
3W
Operating Temperature Range:
-55°C To +175°C
Temperature Coefficient:
±50 Ppm/°C
Material:
Karma
Per Reel:
2000
Applications:
Current Sensing, Power Supplies, Motor Control, Battery Management
Highlight:
3920 Current Shunt Resistor
,Metal Chip Shunt Resistor
,Chip Shunt Resistor 3W
Introduction
3920 Size 0.005Ω (0.005m Ohm) 3W Metal Shunt Chip Resistor with ±1% Tolerance and -55°C to +175°C Operating Temperature
In modern electronics, accurate current sensing is essential for efficiency, control, and safety. The 3920 0.005Ω 3W Metal Shunt Chip Resistor (exemplified by models like ESR39F3WR005K02G) delivers high-performance for demanding power measurement applications.
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 (Karma) alloy |
| Operating Temperature | -55°C to +175°C |
Key Features
- 3920 Package Size: 3.9mm * 2.0mm dimensions provide superior heat dissipation and mechanical stability
- 0.005Ω Ultra-Low Resistance: Minimizes power loss and heat generation in high-current circuits
- 3W Power Rating: Handles continuous loads and transient peaks with safety margin
- 1% Tolerance & Low TCR: Ensures measurement accuracy across temperature variations
Advanced Construction
The ESR39F3WR005K02G resistor features:
- Karma Alloy Material: Nickel-chromium-aluminum alloy for excellent stability and low TCR
- Four-Terminal (Kelvin) Design: Separates high-current load terminals from precision voltage sensing
- Low ESR: Minimal parasitic inductance for accurate AC/switching current measurement
- High Surge Immunity: Withstands current surges in motor start-ups and fault conditions
Compliance
Fully compliant with RoHS and REACH regulations, designed for lead-free soldering processes.
Applications
- Automotive and EV battery management systems (BMS)
- Industrial robotics and servo motor drives
- Telecommunications and server power supplies
- Renewable energy systems (solar/wind)
- High-current battery-powered equipment
The 3920 0.005Ω 3W Metal Shunt Resistor combines precision, power handling, and rugged construction for demanding current measurement applications in modern electronics.
Send RFQ
Stock:
MOQ:
2000
