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WURTH ELEKTRONIK 749252040 Current Sense Transformer

The WE-CST Current Sense Transformer by Wurth Elektronik is a compact, high-precision component designed for current measurement in electronic circuits. Suitable for industrial, power supply, and motor control applications, it features an inductance of 48 uH, maximum DC resistance of 3 mΩ, and a turns ratio of 1:40. Rated for currents up to 7A, this transformer maintains excellent performance at operating temperatures from -40°C to +125°C, with insulation test voltage of 750 V. RoHS and REACH compliant, it offers reliable electrical characteristics essential for precise current sensing.

Authorized Distributors
Source:Newark
Part No:749252040
Stock:190
Inv Date:06-12-2026
Price: Unit price: $4.33
Buy/RFQ:
Source:DigiKey
Part No:749252040
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1.72001
Buy/RFQ:
Part No:749252040
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1.72
Buy/RFQ:

WURTH ELEKTRONIK 749252040 Current Sense Transformer Specifications:

  • Inductance: 48 uH
  • Rated Current: 7 A
  • DC Resistance 1: 3 mΩ @ 20°C
  • Turns Ratio: 1:40
  • Voltage-pSecond: 18 Ws max.
  • Frequency Range: Up to 1 MHz
  • Insulation Test Voltage: 750 V (AC)
  • Operating Temperature: -40°C to +125°C
  • Storage Conditions: -40°C to +85°C, humidity <75%
  • Certifications: RoHS, REACH, JEDEC JS709B, IEC 61249-2-21

Buy the Wurth Elektronik Series WE-CST Current Sense Transformer: 749252040

Order the Wurth Elektronik WE-CST Current Sense Transformer 749252040 online today to ensure accurate current sensing for power management and industrial applications. This high-quality transformer offers a 48 microhenry inductance, rated for 7A current, and features a 1:40 turns ratio with excellent insulation and temperature stability. Ideal for power supplies, motor control, and industrial electronics, it is RoHS and REACH compliant, ensuring safety and environmental standards are met. Purchase now for reliable performance in demanding environments and streamline your manufacturing process.

Buy Wurth Elektronik WE-CST Current Sense Transformer 749252040 now and experience unmatched reliability and high-precision current measurement for your electronic projects.

Frequently Asked Questions

Where can I buy WURTH ELEKTRONIK 749252040?

You can click on the BUY or RFQ button to purchase 749252040 from an authorized WURTH ELEKTRONIK distributor.

How do I troubleshoot issues or seek technical support for part 749252040?

You can download the 749252040 datasheet or visit the WURTH ELEKTRONIK website for support.

Who is the manufacturer of 749252040?

WURTH ELEKTRONIK

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