PA1005.070NL

Current Sense Transformers Overview

The PA1005.070NL is a surface-mount current sense transformer manufactured by Pulse Electronics. It features a 1:70 turns ratio and supports a primary current rating of 20 A. The device operates within a frequency range of 50 kHz to 1 MHz. Key electrical parameters include an inductance of 980 µH, a primary DC resistance of 0.75 mΩ, and a secondary DC resistance of 4.75 Ω. The component utilizes invasive termination with gull-wing leads and measures 8.38 mm in length, 7.21 mm in width, and 5.5 mm in height.

Current Sense Transformers Feature Summary

• Surface mount design for automated assembly integration
• Invasive construction for direct current path sensing
• Optimized frequency response for high-speed switching applications

Current Sense Transformers Applications

• Switch-mode power supply current monitoring
• Battery management system circuit protection
• Motor drive overcurrent detection

Current Sense Transformers Procurement Notes

Verify the specific suffix against procurement requirements. The base part number PA1005.070NL typically denotes the standard configuration. Confirm whether the 'T' suffix for tape-and-reel packaging or other variant identifiers are required for the intended manufacturing process. Ensure compatibility with RoHS3 standards and check moisture sensitivity level classifications prior to ordering.

Current Sense Transformers Selection Notes

Select this component when a 1:70 transformation ratio is necessary for accurate current replication in low-impedance primary circuits. The 20 A rating suits moderate-power applications. Evaluate the 980 µH inductance against load requirements to ensure signal fidelity within the 50 kHz to 1 MHz operational band. Consider the physical dimensions and gull-wing termination style for PCB layout constraints.

Current Sense Transformers Part Context

This model belongs to the PA1005.XXXNL series of SMT current sense transformers from Pulse Electronics. The series provides various turns ratios to accommodate different sensing needs while maintaining consistent physical footprints. These components are designed for embedded systems requiring isolated current feedback without introducing significant series resistance into the main power path.

Current Sense Transformers Replacement Considerations

The PA1005.100NL serves as a functional alternative within the same series, offering a 1:100 turns ratio and 2 mH inductance. Verify that the altered ratio and inductance values align with the control loop stability and sensing accuracy requirements of the target application before substitution.