LEM, SEEIM - issue 3, 2015


The Perfect Fit


The perfect fi t for your design: a costef

fe c tive c u r r e nt tr a n s du c e r th at

out-performs shunts in every way. The

compact package of the HLSR requires

only 387 mm2, less board area than

many shunt solutions. Large clearance/

creepage distances ensure safety, and

high performance produces accurate

m e a s u r e m e n t s a c r o s s a w i d e

temperature range of -40°C to +105°C.

The LEM HLSR - a single compact

device that eliminates complexity in your


The LEM HLSR series:

• High performance open-loop ASIC

based current transducer

• 01ARMS, 20ARMS, 32ARMS, 40ARMS and

50ARMS nominal current versions

• Single +5V or +3.3V power supply

• Fast response time: 2.5 μs

• Full galvanic isolation

• 8 mm clearance/creepage + CTI 600

• Low offset and gain drifts

• Over-drivable reference voltage

• Through-hole and SMT packages

At the heart of power electronics.