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Wirewound

Wirewound

Description

Wirewound resistors are fixed resistors made from resistance wire wound on an insulating skeleton. The resistor wire is usually made of nickel-chromium, manganese copper and other alloys, the insulating skeleton is usually alumina ceramic, and the encapsulation materials are insulating varnish, silicone resin, paint, ceramic and aluminium shell. Most precision wirewound resistors are encapsulated in silicone, as this type of encapsulation does not have a high temperature sintering process, so there is no effect on the electrical properties of the wirewound material due to high temperature sintering. Wirewound resistors usually have one layer of resistance wire wound on the skeleton, but a single layer winding will make the resistor more inductive in an AC environment, so bi-directional winding is often used in AC environments to achieve non-inductance.

Features

Excellent Stability

High Load Capacity

Excellent Insulation Ability

High Power

Good Heat Dissipation

Applications

EV

Electric Power

Robots

Industrial Controls

Railway

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