PA1005.030QNL

Current Sense Transformers Overview

The PA1005.030QNL is a surface-mount current sense transformer manufactured by Pulse Electronics. It features a 1:30 turns ratio and supports primary currents up to 20 A. The device operates within a frequency range of 50 kHz to 1 MHz. Electrical characteristics include a primary DC resistance of 0.75 mΩ, a secondary DC resistance of 870 mΩ, and an inductance of 180 µH. It is rated for 900 Vrms isolation and holds AEC-Q200 automotive qualification.

Current Sense Transformers Feature Summary

• Provides galvanic isolation for accurate current sensing applications
• Designed for high-frequency operation suitable for switching power supplies
• Automotive-grade reliability with AEC-Q200 certification
• Compact surface-mount package facilitates automated PCB assembly

Current Sense Transformers Applications

• Current monitoring in automotive electronic control units
• Power management circuits in electric vehicle systems
• Isolated feedback loops in DC-DC converters
• Overcurrent protection mechanisms in industrial power supplies

Current Sense Transformers Procurement Notes

Verify the specific suffix QNL against official datasheets to confirm lead-free status and RoHS compliance. Ensure the ordering part number matches the required packaging format, as variations may exist between tape-and-reel and cut-tape options. Cross-reference the manufacturer's latest documentation to confirm availability and any potential design changes or obsolescence notices prior to final procurement decisions.

Current Sense Transformers Selection Notes

Select this component when a 1:30 transformation ratio is required for primary currents up to 20 A. The 50 kHz to 1 MHz bandwidth suits high-frequency switching applications. Consider the low primary DCR of 0.75 mΩ for minimal insertion loss. Verify that the 180 µH inductance meets the magnetizing current requirements of the target circuit design at the operating frequency.

Current Sense Transformers Part Context

This component belongs to Pulse Electronics' series of board-mount current sense transformers. These devices are engineered for precise current measurement in isolated environments. The PA1005.030QNL specifically targets automotive and industrial sectors requiring robust performance under varying thermal conditions and high electromagnetic interference.

Current Sense Transformers Replacement Considerations

Consult official distributor databases for direct cross-references. Ensure any substitute maintains the 1:30 ratio, 20 A rating, and compatible footprint dimensions.