Wirewound or Film Resistors: Which should you choose for high precision applications?
When it comes to choosing resistors for high precision applications, the two most common types are Wirewound Resistors and film resistors.
Wirewound or Film Resistors: Which should you choose for high precision applications?
When it comes to choosing resistors for high precision applications, the two most common types are Wirewound Resistors and film resistors. Both have their advantages and disadvantages, and understanding the differences between the two can help you make the best choice for your specific needs.
Wirewound Resistors
Power Wirewound Resistors are made by winding a wire around a ceramic or glass core, creating a high-quality resistor with excellent stability and accuracy. They are highly resistant to temperature changes and have a high tolerance for overload. Wirewound resistors are commonly used in high voltage and high power applications where precision and stability are essential. They can also withstand higher temperatures than other types of resistors, operate without noise or instability, and are reliable over a wide range of temperatures.
However, there are some drawbacks to wirewound resistors. They are relatively bulky, making them unsuitable for applications where space is at a premium, and they may also be more expensive than other types of resistors.
Film Resistors
Film resistors, on the other hand, are made by depositing a layer of resistive material on a substrate. They are smaller than wirewound resistors, making them more suitable for applications where space is at a premium. Film resistors have excellent linearity and low noise, and are relatively inexpensive compared to wirewound resistors. They are perfect for applications that require low noise performance, low current, or high voltage.
However, film resistors can be less stable and have a limited temperature range compared to wirewound resistors. Film resistors may not always meet the requirements of high voltage or high power applications.
Choosing the Best Resistor for Your Application
The decision to use wirewound or film resistors depends on several factors. You should evaluate the resistor’s stability, accuracy, temperature range, cost, and application before making the right decision. It is also important to consider the power of the resistor. For example, Power wirewound resistors are recommended for high power applications, while film resistors are recommended for low power applications.
If you are unsure which type of resistor is best suited for your application, consult with a supplier of resistors who can recommend the right resistors for you. Contact us if you need any help selecting the right resistor for your needs.
In Conclusion
Choosing the right resistor is crucial for ensuring the best performance of your electronic devices. Wirewound resistors offer excellent accuracy and stability, making them ideal for high power applications. Film resistors are more economical and smaller than wirewound resistors, but they may not always meet the requirements of high voltage or high power applications. Understanding the differences between these two types of resistors will help you choose the right resistor for your needs.
Speak To An Expert
If you require advice or support in selecting the right resistor for your application, speak to one of our experts. Our supplier offer a wide range of power wirewound resistors, film resistors, and wirewound resistors, giving you the flexibility you need to achieve the best results. Contact us today to discuss your requirements.
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