7492540500

$3.35

Description：CURR SENSE XFMR 1:500 40A SMD
Series：MID-CST
Mfr：Würth Elektronik
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:b948f716b4d7 Category: Current Sense Transformers Brand: Würth Elektronik

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Product introduction

7492540500 is listed in the Current Sense Transformers range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is CURR SENSE XFMR 1:500 40A SMD. Review the specifications below when checking this part for your BOM.

Current Sense Transformers specifications for 7492540500

Description：CURR SENSE XFMR 1:500 40A SMD
Series：MID-CST
Mfr：Würth Elektronik
Package：Tape & Reel (TR),Cut Tape (CT)
Frequency Range：1MHz
Type：Invasive
Inductance：135 mH
ET (Volt-Time)：1240Vµs
Current Ratio：-
DC Resistance (DCR)：0.28mOhm Primary, 21.2Ohm Secondary
Ratings：AEC-Q200
Mounting Type：Surface Mount
Size / Dimension：0.570" L x 0.524" W (14.48mm x 13.30mm)
Height - Seated (Max)：0.413" (10.50mm)
Termination Style：Gull Wing
Turns Ratio - Primary:Secondary：0.388888889
Current Rating (Amps)：40 A

Current Sense Transformers datasheet and documents for 7492540500

7492540500

Current Sense Transformers Overview

The Würth Elektronik 7492540500 is a surface-mount current sense transformer from the WE-CST series. It features a 1:500 turns ratio and an inductance of 135 mH. The device supports a maximum primary current of 40 A with a frequency range up to 1 MHz. Primary resistance is 0.28 mOhm, while secondary resistance is 21.2 Ohm. Operating temperature ranges from -40°C to +130°C. The package utilizes an EE13/7/4 core configuration.

Current Sense Transformers Feature Summary

Integrated magnetic core for board-mounted current sensing applications
High-frequency operation capability up to 1 MHz
Low primary resistance for minimal signal loss

Current Sense Transformers Applications

Switch-mode power supply current monitoring
Overcurrent protection circuits
Isolated current feedback systems

Current Sense Transformers Procurement Notes

Verify the specific manufacturer part number against official Wurth Elektronik documentation to ensure accuracy. Confirm that the required operating temperature range and current ratings align with your system design requirements before procurement. Cross-reference datasheet specifications for mechanical dimensions and pinout configurations to guarantee compatibility with your PCB layout.

Current Sense Transformers Selection Notes

Select this component when isolated current sensing is required at high frequencies. The 1:500 ratio suits applications needing significant signal attenuation. Ensure the PCB footprint matches the EE13/7/4 SMT package dimensions. Consider thermal management capabilities within the specified -40°C to +130°C operational window for reliable performance.

Current Sense Transformers Part Context

This component belongs to the WE-CST series of current sense transformers by Würth Elektronik. These devices are designed for surface mount technology, offering compact solutions for modern electronics. The series provides various ratios and inductance values to accommodate different circuit requirements while maintaining high efficiency and reliability.