30m Ohm Current Sensing Chip Resistor High Power 0603 SMD Resistor For High Precision Power Management
Specifications
Features:
High Precision, High Power, Low Temperature Ticket, Low Inductance
Name:
Current Sensing Chip Resistor
Manufacturer:
Walter
Series:
STE
Size:
0603
Resistance Range:
30mΩ(0.03 Ohm)
Tolerance:
±1%
Power Rating:
0.5W
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:
0603 Size Current Sensing Resistor
,Current Sensing Chip Resistor High Power
,High Power 0603 SMD Resistor
Introduction
0603 Size 0.03Ω (30m Ohm) 0.5W Current Sensing Resistor for High Precision Power Management
In the rapidly evolving world of electronics, the demand for efficient and precise power management is paramount. The 0603 0.03Ω (30m Ohm) 0.5W 1% current sensing resistor stands out as a remarkable fusion of miniaturization, high power handling, and exceptional accuracy, making it ideal for advanced systems including high-frequency switch-mode power supplies, motor drives, and battery management systems (BMS).
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | STE0603MW50R030F |
| Resistance Value | 0.03Ω (30mΩ) |
| Tolerance | ±1% |
| Power Rating | 0.5W |
| Package Size | 0603 (1.6mm * 0.8mm) |
| Temperature Coefficient (TCR) | ±50 ppm/°C |
| Resistance Material | Manganese Copper (MnCu) alloy |
| Operating Temperature | -55°C to +125°C |
Key Features
- Compact 0603 package (1.6mm x 0.8mm) saves valuable PCB space in densely populated designs
- Ultra-low 0.03Ω resistance enables precise current measurement with minimal voltage drop
- Robust 0.5W power rating allows handling of currents up to approximately 4.1 Amps
- Precision 1% tolerance ensures accurate current measurements for system protection and control
Material Advantages
The Manganin-Copper (MnCu) alloy construction provides critical benefits:
- Low temperature coefficient maintains stable resistance across temperature variations
- Minimal inductance for clean signals in high-frequency switching applications
- Exceptional long-term stability ensures reliable performance throughout product lifespan
Ideal Applications
- Overcurrent protection circuits in power supplies and motor drivers
- Battery management systems (BMS) for accurate state-of-charge calculation
- DC-DC converters and voltage regulator modules (VRMs)
- Industrial automation and motor control systems
This product is fully compliant with RoHS and REACH regulations, confirming it is free from hazardous materials and suitable for global markets.
Conclusion
The 0603 0.03Ω (30m Ohm) 0.5W 1% current sensing resistor represents an outstanding balance of size, power handling, and precision. Its compact form factor, robust power rating, and exceptional stability make it an ideal solution for demanding power management and monitoring applications across various industries.
Send RFQ
Stock:
MOQ:
5000
