Wurth Elektronik 39 mH Manganese Zinc Leaded Inductor, 300 mA Idc, 3 Ω Rdc, 1500 V WE-CMB HC 744821039

Wurth Elektronik model 744821039 is a 39 mH manganese zinc leaded inductor specifically designed for demanding electronic components applications. It features a radial mount type optimized for standard PCB assembly and reliable solder terminations ensuring mechanical strength and electrical conductivity.

Constructed with a manganese zinc core, this inductor provides efficient magnetic performance with a tolerance of ±30%. It can handle a maximum DC current of 300 mA and offers a maximum DC resistance of 3 Ω, balancing power efficiency and thermal characteristics effectively.

This leaded inductor has a compact form factor with a diameter of 15 mm, height of 18 mm, and a depth of 7.5 mm making it suitable for tight assembly spaces. The lead diameter of 0.7 mm and pitch of 10 mm support standard through-hole placements. It withstands voltages up to 1500 V and an operating temperature range from -40°C to 125°C, making it robust for industrial and commercial electronic applications.

The product meets UL-94V-2 and UL-94V-0 flammability standards, ensuring high safety and fire resistance. It belongs to the WE-CMB HC series, which is known for compact common mode chokes designed to suppress asymmetrical interferences efficiently at low frequencies. The anti-capacitance coiling technique incorporated into its design further enhances broadband screening capabilities.

Ideal for suppression of common mode noise and radio interference in motors, power line input/output filters, and power electronics, this inductor fits a wide array of industrial, laboratory, HVAC, and manufacturing applications requiring electromagnetic interference (EMI) mitigation.

The radial mount type ensures easy PCB insertion and soldering. Constructed with manganese zinc core material for superior magnetic properties. Inductance tolerance of ±30% suitable for typical electronic applications. Compact dimensions with 15 mm diameter and 18 mm height optimize PCB space.

Operates reliably across a wide temperature range from -40°C to 125°C. Supports a maximum voltage rating of 1500 V, suitable for high-voltage circuits. Lead diameter of 0.7 mm and a lead pitch of 10 mm for standard through-hole mounting.

Termination style is solder, guaranteeing firm electrical connection. Compliance with UL-94V-2 and UL-94V-0 flammability standards for safety assurance. Designed for common mode noise suppression and electromagnetic interference filtering in power electronics.

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