PA1005.030QNLT

Current Sense Transformers Overview

The PA1005.030QNLT is a surface-mount current sense transformer manufactured by Pulse Electronics, designed for invasive current monitoring applications. It features a primary-to-secondary turns ratio of 1:30 and supports a frequency range from 50kHz to 1MHz. The component is rated for a maximum primary current of 20 A. Electrical characteristics include a primary DC resistance of 0.75 milliohms and a secondary DC resistance of 870 milliohms. The magnetizing inductance is specified at 180 µH. This device is qualified under the AEC-Q200 standard for automotive reliability.

Current Sense Transformers Feature Summary

• AEC-Q200 qualified for automotive electronic components
• Surface-mount design with invasive current sensing topology
• High-frequency operation capability up to 1MHz

Current Sense Transformers Applications

• Automotive battery management systems
• Electric vehicle powertrain monitoring
• On-board charger current detection

Current Sense Transformers Procurement Notes

Verify that the ordering suffix 'QNLT' corresponds to the specific AEC-Q200 qualification and tape-and-reel packaging configuration. Confirm that the manufacturer's datasheet explicitly lists this part number as an active automotive-grade component. Ensure compatibility with reflow soldering profiles defined in the official documentation before integration into production lines.

Current Sense Transformers Selection Notes

Select this component when invasive current sensing is required in space-constrained automotive environments. The 1:30 ratio provides appropriate signal scaling for downstream amplification. Verify that the operating frequency range aligns with the switching frequency of the target power stage. Consider the physical dimensions and lead style for PCB layout constraints.

Current Sense Transformers Part Context

This part belongs to the PA1005QNL series of current sense transformers. It shares the same form factor and core technology as other variants in the family but differs in turns ratio and automotive qualification status. The series offers multiple ratios to suit various current sensing requirements while maintaining consistent mounting characteristics.

Current Sense Transformers Replacement Considerations

PA1005.030NLT serves as a non-automotive equivalent within the same series. Substitution requires verification that AEC-Q200 qualification is not mandatory for the application. Other ratios such as 1:100 or 1:300 may be considered if different signal scaling is needed.