LA 20-PB

Current Sensors Overview

The LA 20-PB is a Hall effect current transducer designed for the electronic measurement of DC, AC, pulsed, and mixed currents. It provides galvanic isolation between the primary high-power circuit and the secondary control circuit. The device features a through-hole mounting type and operates within a temperature range of -10°C to 80°C. Key electrical specifications include an accuracy of ±1.5%, linearity of ±1%, and a response time of 3µs. It requires a supply voltage of ±15V with a maximum supply current of 36.7mA. The sensor supports ratiometric voltage output and handles up to 20A.

Current Sensors Feature Summary

• Galvanic isolation between primary and secondary circuits
• Ratiometric voltage output capability
• Suitable for DC, AC, and pulsed current measurement

Current Sensors Applications

• Power electronics monitoring
• Industrial drive systems
• Inverter control circuits

Current Sensors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct package and pinout configuration. Confirm RoHS compliance status if required by project specifications. Cross-reference the part number with authorized LEM distributors to avoid counterfeit components. Ensure the supply voltage requirements match the system design before procurement.

Current Sensors Selection Notes

Select this component when precise measurement of mixed current types is required in isolated environments. Consider the ±15V supply requirement and 3µs response time for dynamic applications. Evaluate the through-hole mounting constraints against PCB layout limitations. Compare the ±1.5% accuracy against system tolerance requirements.

Current Sensors Part Context

This model belongs to the LA series of current transducers from LEM USA Inc., which are widely used in power electronics. The series utilizes Hall effect technology to provide reliable isolation and accurate signal transmission. These sensors are integral components in various industrial and commercial power conversion systems.

Current Sensors Replacement Considerations

Consult official LEM documentation for direct substitutes. Verify interface compatibility and mounting dimensions before substitution.

Current Sensors FAQ

What types of current can the LA 20-PB measure?

It measures DC, AC, pulsed, and mixed currents.

What is the operating temperature range?

-10°C to 80°C.