High Power Current Sensing Chip Resistor 500m Ohm Ultra Precision Resistor Low Inductance
Specifications
Features:
High Precision, High Power, Low Temperature Ticket, Low Inductance
Name:
Current Sensing Chip Resistor
Manufacturer:
Walter
Series:
STE
Size:
0805
Resistance Range:
400mΩ(0.4 Ohm)
Tolerance:
±1%
Power Rating:
0.75W
Operating Temperature Range:
-55°C To +125°C
Temperature Coefficient:
±50 Ppm/°C
Material:
MnCu
Per Reel:
5000
Applications:
Current Sensing, Power Supply, Motor Control, Battery Management, Frequency Converter, 5G Base Station, LED Lighting,
Highlight:
High Power Current Sensing Chip Resistor
,Current Sensing Chip Resistor 500m Ohm
,Ultra Precision Resistor Low Inductance
Introduction
0805 Size 0.5Ω Resistance 0.75W Power Rating Current Sensing Resistor for High Precision Applications
In modern electronics, precise current measurement is essential for efficiency, safety, and performance. The 0805 0.5Ω current sensing resistor provides accurate measurement capabilities with its high-performance specifications and Manganin-Copper (MnCu) alloy construction.
Key Specifications
| Parameter | Specification |
|---|---|
| Part Number | STE0805MW75R500F |
| Resistance Value | 0.5Ω (500mΩ) |
| Tolerance | ±1% |
| Power Rating | 0.75W |
| Package Size | 0805 (1.6mm * 0.8mm) |
| Temperature Coefficient (TCR) | ±50 ppm/°C |
| Resistance Material | Manganese Copper (MnCu) alloy |
| Operating Temperature | -55°C to +125°C |
Feature Breakdown
0805 Package Size: Compact 2.0mm * 1.25mm surface-mount design ideal for space-constrained applications like smartphones, power management systems, and motor drives.
0.5Ω Resistance Value: Provides optimal balance between minimal power loss and measurable voltage output for current sensing in several-ampere range applications.
0.75W Power Rating: Robust power handling capability supports currents up to approximately 1.22A, making it suitable for power rails, battery systems, and motor monitoring.
1% Tolerance: Ensures high-precision current measurements critical for over-current protection, battery fuel gauging, and efficient power conversion.
Material Advantages
The Manganin-Copper (MnCu) alloy construction provides exceptional performance characteristics:
- Low Temperature Coefficient of Resistance (±50 ppm/°C) for stable performance across temperature variations
- Minimal thermal EMF generation for accurate voltage drop measurement
- Excellent long-term stability with minimal resistance drift
Low Inductance Design
Specialized construction minimizes parasitic inductance, ensuring accurate current measurement in high-frequency applications like switch-mode power supplies and motor drive circuits.
Environmental Compliance
Meets global environmental standards including:
- RoHS compliant (Restriction of Hazardous Substances)
- REACH compliant (Registration, Evaluation, Authorisation and Restriction of Chemicals)
- Lead-free construction
Applications
Ideal for use in:
- Portable electronics
- Power management systems
- Battery charge/discharge monitoring
- Industrial automation
- Automotive systems
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Stock:
MOQ:
5000
