PA1005.070NLT

Current Sense Transformers Overview

The PA1005.070NLT is a surface-mount current sense transformer manufactured by Pulse Electronics, designed for high-frequency applications within the 20kHz to 1MHz range. It features a primary-to-secondary turns ratio of 1:70 and supports a rated current of 20A. The component exhibits an inductance of 980 µH with a primary DC resistance of 0.75 mΩ and a secondary DC resistance of 4.75 Ω. Packaged in a gull-wing SMD form factor measuring 7.21mm x 8.38mm x 5.50mm, it complies with RoHS3 standards and carries an MSL rating of 1.

Current Sense Transformers Feature Summary

• Provides galvanic isolation between primary and secondary circuits for accurate current monitoring
• Optimized for high-frequency operation up to 1MHz with low primary impedance
• Designed for surface-mount assembly using standard reflow soldering processes

Current Sense Transformers Applications

• High-frequency switching power supply current sensing
• Inverter and motor drive protection circuits
• Battery management system (BMS) current monitoring

Current Sense Transformers Procurement Notes

Verify that the specific order matches the 1:70 turns ratio and 20A current rating requirements. Confirm surface-mount package compatibility with PCB footprint dimensions of 7.21mm x 8.38mm. Ensure thermal management aligns with the component's operating temperature range and power dissipation characteristics during peak load conditions.

Current Sense Transformers Selection Notes

Select this component when a 1:70 transformation ratio is required for current sensing in high-frequency environments. Consider the 20A current rating and 980 µH inductance for circuit stability. Evaluate the 0.75 mΩ primary resistance for minimal insertion loss in high-current paths compared to alternative ratios or lower-rated devices.

Current Sense Transformers Part Context

This part belongs to the PA1005.XXXNL series of surface-mount current sense transformers from Pulse Electronics. The series offers various turns ratios tailored for different current sensing needs while maintaining consistent physical dimensions and mounting styles. It serves as a specialized solution for compact electronic designs requiring isolated current measurement.

Current Sense Transformers Replacement Considerations

PA1005.100NLT offers a 1:100 ratio; PA1005.050NLT provides a 1:50 ratio. Verify electrical parameters match application requirements before substitution.