Resistors|Basic

Temperature Coefficient of Resistance (TCR) Calculation Tool

Temperature Coefficient of Resistance (TCR) Calculation Tool

①Enter the resistance value to be checked
②Enter the + and – values of the temperature coefficient of resistance to be checked.
Please refer to the respective product datasheet for the temperature coefficient of resistance.
*For example, in the case of 1Ω ESR01, enter 500 for the + side and 250 for the – side.

Anti-surge_chip_resistors

(Excerpt from the ESR Datasheet)

③Enter the reference temperature for resistance measurement.
The standard reference temperature is typically 20°C or 25°C.
④Enter the minimum temperature of the operating environment to be checked
⑤Enter the maximum temperature of the operating environment to be checked
⑥After entering all of the information above (① to ⑤), click Calculate

Temperature Coefficient of Resistance (TCR) Calculation Tool

After carrying out all of the above steps from ① to ⑥, the screen will appear as shown above
By moving the below the graph to the left or right, you can check the fluctuation in the resistance value at a certain temperature within the specified temperature range.

This example shows that a 1Ω product can swing to a maximum of 1.018Ω and a minimum of 0.9911Ω when the resistor temperature is 60°C.

Temperature Coefficient of Resistance (TCR) Calculation Tool

The next page briefly describes usage beyond the rated power.

【Download Documents】 Resistor Design Basics Every Engineer Should Know

Resistor Design Basics Every Engineer Should Know An introductory handbook on practical resistor design for current limiting, voltage division, and current sensing, with concise explanations of basic structures, key ratings, TCR, and reliability.