Wire wound surface mount inductors are passive circuit components, meaning they require an external power source. They have a core made of a magnetic metal like iron with wire wound around it. Energy is stored in a magnetic field when an electrical current flows through the coiled wire which has thick insulation to make the inductors suitable for use with larger currents.
What are wire wound surface mount inductors used for?
They are typically found in car audio and electronic control units (ECUs) because they can block or filter radio frequencies. Unwanted radio frequencies can interfere with audio sound quality and disrupt electrical circuits. These inductors are also used in electronic equipment used in communication infrastructures and mobile base stations.
This ability to minimise interference makes them ideal for use with DC/DC converters in power distribution systems too.
Types of wire wound surface mount inductors
Some inductors have added magnetic shielding which blocks unwanted magnetism that can interfere with the circuit. Some wire wound inductors are wound with special techniques that enhance performance and reduce the unit size to save space in circuit boards.
Description:
WE-TPC Series is extremely flat power inductor with
high current capabilityMagnetically shielded which results in a low leakage fieldOperating temperature: –40 to +125°CApplications: Portable power (e.g. PDA, digital camera, PCMCIA cards and displays); DC/DC converter; Embedded PC; Mobile data gathering, ...
Description:
HCM0703 series halogen free surface mount power inductors
with a maximum operating temperature of 125°C, a high current carrying capacity and low core losses. The Magnetically shielded, low EMI HCM0703 inductors have a powdered iron core construction and are RoHS ...
Description:
Applications: Mains filters, power electronics, switched-mode power supply
units. Dual toroidal-core chokes for use in mains filter circuitsThe high-quality core material allows suppression over a wide frequency range4-pin housingToroidal-core chokes with segment windingGood suppression of common-mode interference ...
Description:
Panasonic ELL6RH power inductors are compact, highly reliable
and feature a large current capability. By separating the internal connection and the user terminal, these fixed inductors ensure high reliability when mounted. When using in a DC-DC converter, ELL6RH inductors have ...
