FHS - The Compact Solution for Precise Current Measurement

Optimize your power electronics with LEM’s ultra-compact, highly accurate FHS Series integrated current sensors.

Achieve cost-effectiveness with small footprint with the FHS Series

LEM FHS integrated current sensors

Ultra-Compact Design: One of the smallest integrated current sensors on the market, perfect for space-constrained applications such as power supplies and PCB layouts.

High Precision for Low Currents: Engineered for accurate current measurement with a nominal value of 2 A, ensuring reliable performance in sensitive applications.

Easy PCB Integration: Features a surface-mount design, making it easy to incorporate directly into your existing PCB layout without requiring additional mounting hardware.

Low Insertion Loss: Minimal impact on the overall system performance, providing accurate current sensing without significant power loss

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Key Features of the FHS Series

Advanced Hall Effect Technology with Integrated Magnetic Concentrator: Enhanced measurement accuracy in compact applications.

Magnetic Field Measurement Range of ±3.3 mT: Providing reliable current sensing for low-current applications.

High Bandwidth of 160kHz: Offers rapid response and accurate real-time current monitoring, ideal for dynamic and high-frequency applications.

Low Power Consumption: Designed to minimize power usage, making it suitable for energy-efficient and battery-operated systems.

Wide Operating Temperature Range: Performs reliably in extreme environments, from -40°C to +125°C.

Engineered for a Wide Range of Applications

FHS integrated current sensors applications

Industrial Automation: Delivering precise monitoring for better system performance in control systems, motors drives, and industrial equipment.

Power Supplies & Converters: Enhance efficiency and stability in DC/DC converters and power modules.

Battery Management Systems (BMS): Reliable current sensing for effective battery monitoring and protection.

HVAC Systems: Helping to optimize energy usage and maintain performance in heating, ventilation and air conditioning applications.

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FHS AH AT A GLANCE

Product

Order

Nominal
sensitivity [mV/A]
Sensitivity rangeMagnetic field 
measurement range
Supply 
Voltage [Uc]
BandwidthTemp. range [°C]
FHS AH 600

600200 mV/A±3.35V160 KHz-40 to 125°C
FHS Series

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Trusted Worldwide for Excellence in Electrical Measurement

Why LEM?

LEM logo

LEM is a global leader in electrical measurement solutions, providing innovative and high-quality sensors for automotive, renewable energy, and industrial applications. With a commitment to performance and reliability, we are your trusted partner for integrated current sensing solutions.

Global Leader in Sensing Technology: With over 50 years of experience, LEM sets the standard in current and voltage sensing.

Quality You Can Rely On: Built to meet the highest industry standards, providing accurate and reliable measurements.

Expert Support: Our team of specialists is here to help you find the right solution for your unique requirements.