Datasheet with electrical specs, dimensions, packaging and safety info for the Würth Elektronik 7492540150 current sense transformer.
The WE-CST 7492540150 is a current sense transformer designed for use in general electronic equipment. It provides a 1:150 turns ratio and is intended for applications requiring accurate current measurement up to 40 A.
Key specifications include a minimum inductance of 12.6 mH, rated voltage of 80 V, and an insulation test voltage of 1500 V AC. The component operates from –40 °C to +130 °C and complies with RoHS, REACH and IEC safety standards. Packaging options cover tape, reel, inner carton and outer carton formats.
| Inductance (L) | 12.6 mH min. |
|---|---|
| Rated Current (IR) | 40 A typ. |
| DC Resistance 1 (RDC1) | 0.28 mΩ max. |
| Voltage‑Time Integral (∫Udt) | 372 µVs max. |
| Frequency Range | Up to 1 MHz |
| Insulation Test Voltage | 1500 V AC |
| Operating Temperature | -40 °C to +130 °C |
The rated current is 40 A typ.
The component can operate up to +130 °C.
The insulation test voltage is 1500 V AC.