| TMRW03-Non-inductive Wire-wound Resistor |
A non-inductive wire-wound resistor is a specialized type of passive electronic component designed to minimize or eliminate inductance-a property common in standard wire-wound resistors-while retaining the high power handling and precision characteristics of wire-wound technology. Unlike conventional wire-wound resistors, which act as unintended inductors (and even antennas at high frequencies) due to their coiled wire structure, non-inductive versions are engineered to cancel out inductive effects, making them ideal for high-frequency, high-power, and precision circuit applications where inductive interference would degrade performance.
At its essence, a resistor's primary function is to oppose the flow of electric current, dissipating excess energy as heat. Standard wire-wound resistors achieve this by winding a resistive wire (e.g., nichrome, manganin) around an insulating core. However, this coiled geometry creates a magnetic field when current passes through it, inducing an electromotive force (EMF) that resists changes in current-this is inductance.
A non-inductive wire-wound resistor eliminates this issue through inductance cancellation. The key principle relies on arranging the resistive wire such that the magnetic fields generated by different sections of the wire oppose and neutralize each other. When current flows, the inductive effects of one segment are negated by another, resulting in a component with near-zero inductance (typically measured in nanohenries, nH) while maintaining its resistive properties.
Feature:
Small size,
Low power,wide resistance range
Stable performance of high voltage, pulsing load
RoHS compliant, halogen free, lead free
Appliacation:
Entertainment system, Power supply, Meter/Instruments system
Part Number:








