PA1005.050QNLT

Current Sense Transformers Overview

The PA1005.050QNLT is a surface-mount current sense transformer manufactured by Pulse Electronics, designed for high-frequency applications within the 50 kHz to 1 MHz range. It features a 1:50 turns ratio and supports a maximum primary current of 20 A. The device exhibits a primary DC resistance of 0.75 mOhms and a secondary resistance of 1.5 Ohms. With an inductance of 500 µH, it utilizes an EE core structure. The component measures 8.38 mm in length, 7.21 mm in width, and has a maximum height of 5.5 mm, suitable for automated SMD/SMT assembly processes.

Current Sense Transformers Feature Summary

• AEC-Q200 qualified for automotive reliability standards
• Optimized for high-frequency current sensing up to 1 MHz
• Low primary DC resistance for minimal power loss
• Compact surface-mount footprint for dense PCB layouts

Current Sense Transformers Applications

• Automotive battery management systems (BMS)
• Electric vehicle powertrain monitoring
• Industrial motor drive current feedback
• High-frequency DC-DC converter regulation

Current Sense Transformers Procurement Notes

Verify that the Q suffix confirms AEC-Q200 automotive qualification status against official Pulse documentation. Ensure the specific package variant matches the required mounting style. Confirm RoHS compliance and REACH status prior to final procurement approval. Cross-reference the manufacturer part number with authorized distributor listings to ensure authenticity and traceability.

Current Sense Transformers Selection Notes

Select this component when automotive-grade reliability is required for current sensing applications. The 1:50 ratio suits circuits requiring signal isolation with moderate gain. Verify that the 20 A current rating aligns with peak load requirements. Consider the 5.5 mm height constraint for mechanical clearance in enclosed assemblies.

Current Sense Transformers Part Context

This part belongs to the PA1005 series of surface-mount current sense transformers from Pulse Electronics. The series offers various turns ratios and inductance values tailored for different current levels. The QNLT suffix indicates automotive qualification and tape-and-reel packaging. It complements standard industrial variants by providing enhanced durability for harsh environments.

Current Sense Transformers Replacement Considerations

PA1005.050NLT serves as a non-automotive equivalent with identical electrical specifications but lacks AEC-Q200 certification. Verify if automotive qualification is mandatory before substitution. Other series members may offer different ratios or current ratings.