The KOA TLRH high-power metal plate current sense resistor series is engineered for exceptional performance in high-reliability applications. Featuring an ultra-low resistance range and high power handling up to 5 watts, these resistors are ideal for precise current sensing in demanding environments such as automotive, industrial, and power management systems. Their metal plate ensures superior heat dissipation, and the compact, surface-mount design supports space-efficient PCB layouts.
The TLRH series' enhanced thermal resistance and a wide operating temperature range enables consistent accuracy and stability across different environments. Designed to meet the rigorous standards of modern electronics, these resistors are an excellent choice for applications requiring robust performance, durability, and precision.
Features
Electrical Specifications
- Resistance range: 1 mΩ to 10 mΩ
- Power rating: Up to 5W
- Tolerance: ±1% (F), ±2% (G)
- Temperature coefficient: ±75 ppm/°C
- Operating Voltage: Maximum 60V
Temaparature range
- Operating temperature: -65°C to +170°C
Environmental Performance
- Heat resistance: capable of handling high temperatures up to 170°C without degradation
- Durability: Resistance change ≤ ±1% after 1,000 hours at 70°C under rated power conditions.
High Current Handling
- Can handle currents up to 28.9A efficiently with minimal power loss.
High Heat Resistance
- Heat tolerance is achieved by a metal plate structure, with a thermal EMF (electromotive force) of less than ±2μV/°C.
Variety and Compatability
- Available in sizes 0805 and 2512
- Compataible with automatic mounting machines and suitable for reflow soldering
Standards and Compliance
- AEC-Q200 Qualified: Ensures high reliability for automotive applications
- RoHS Compliant: Environmentally safe materials
TLRH High Power Metal Plate Current Sense Resistors Block Diagram View
TLRH High Power Metal Plate Current Sense Resistors Technical Specifications
Applications
Automotive
- Battery management systems (BMS)
- Electric vehicle (EV) motor control systems
- Onboard chargers and DC-DC converters
Industrial
- Power supply units for industrial automation
- Motor drive circuits
- Energy metering systems
IoT and Smart Devices
- Wireless power and energy management systems
Consumer Electronics
- High-performance computing and gaming power regulation
Telecommunications
- Base station and networking equipment
Consumer Electronics
- Base station and networking equipment
Technical Documents
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Published: 11 December 2024