How To Pick The Right Axial Leaded Resistor MF 200R Type?
Do you know how to choose an axial leaded resistor that suits you?
Here are a few suggestions from WEET.
Resistance Value and Tolerance
Determine the required resistance value (typically ranging from a few ohms to several megaohms) based on the circuit design requirements. Choose an appropriate tolerance grade according to the precision needs.
Rated Power
Select the rated power based on the actual power consumption in the circuit. It is recommended to reserve a 20%~30% power margin to prevent overheating damage caused by the axial leaded resistor operating at full load for a long time.
Temperature Coefficient (TCR)
It indicates the degree to which the axial leaded resistor's resistance changes with temperature. For precision scenarios (such as medical equipment and test instruments), select low-TCR models (e.g., ±10ppm/℃ or lower). For general scenarios, the requirement can be relaxed to ±100ppm/℃.
Package Size
Choose a suitable body size based on the circuit board's spatial layout. Ensure the pin spacing matches the pad spacing of the circuit board to facilitate soldering and installation.
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WEE Technology Published on Nov 12, 2025