PH9494.050NLT

Current Sense Transformers Overview

The PH9494.050NLT is a board-mount current sensing transformer from Pulse Electronics, designed for surface mount technology (SMD/SMT) applications. It features a turns ratio of 50:1 and an inductance of 630 µH. The component supports a primary current rating of 30 A with a secondary coil resistance of 0.35 mOhms. It operates within a frequency range of 20 kHz to 1 MHz and withstands an isolation voltage of 1200 Vrms. The unit measures 13 mm in length, 10.5 mm in width, and 7.2 mm in height, functioning reliably between -40°C and +125°C.

Current Sense Transformers Feature Summary

• Provides galvanic isolation for high-voltage current monitoring circuits
• Optimized for surface mount assembly on printed circuit boards
• Supports wide frequency bandwidth for accurate signal representation
• Engineered for high thermal stability in demanding environments

Current Sense Transformers Applications

• Power supply current feedback loops
• Motor drive control systems
• Industrial inverter monitoring
• Battery management system sensing

Current Sense Transformers Procurement Notes

Verify the specific manufacturer datasheet for the PH9494.050NLT to confirm electrical tolerances and mechanical dimensions prior to integration. Ensure that the selected mounting method aligns with the SMD/SMT specifications provided by Pulse Electronics. Cross-reference the isolation voltage ratings against the target application requirements to guarantee safety compliance and operational reliability under maximum load conditions.

Current Sense Transformers Selection Notes

Select this component when a 50:1 turns ratio and 30 A primary current capacity are required for precise current sensing. The low secondary resistance minimizes power loss in the sensing path. Consider the physical footprint of 13x10.5 mm for PCB layout constraints. This model is suitable for designs requiring robust isolation and operation across a broad temperature range without significant signal degradation.

Current Sense Transformers Part Context

This part belongs to the PMS9494.XXXNLT series of current transformers from Pulse Electronics. The series utilizes EE8 core geometry to achieve compact size while maintaining high performance. Variants within the series differ primarily in inductance and turns ratio values, allowing designers to tailor the sensing characteristics to specific circuit requirements while sharing common mechanical and thermal properties.

Current Sense Transformers Replacement Considerations

Direct substitutes include other models from the same PMS9494 series with matching 50:1 ratios, such as PMS9494.100NLT or PMS9494.150NLT, if inductance differences are acceptable. Verify that any replacement maintains the 30 A current rating and 1200 Vrms isolation capability to ensure equivalent circuit performance.