R1378218 CTS Potentiometer

Review CTS Potentiometer

The CTS R1378218 is a high-quality linear potentiometer designed for various applications where precise voltage control is required. This potentiometer comes in a standard rotary format, with a diameter of 1 inch (25.4mm) and a length of 3 inches (76.2mm). The resistance value of this unit is 100k Ohms ( 20%/-0%), making it suitable for use in voltage dividers, volume control circuits, and other applications where a 100k Ohm resistor is specified.

The CTS R1378218 potentiometer features a carbon composition resistive element that ensures stable and reliable performance over a wide range of temperatures. It can operate in temperatures between -25 C and 70 C, making it suitable for use in a variety of environments. The potentiometer also comes with a durable epoxy seal to protect the resistive element from moisture and other contaminants.

The wiper of this potentiometer is made of beryllium copper, which provides excellent conductivity and wear resistance. The shaft is made of brass and is supported by a stainless steel shaft sleeve, ensuring smooth and stable operation even with heavy use. The knob is made of thermoplastic material and is available in various colors to suit different application requirements.

The CTS R1378218 potentiometer is RoHS compliant and meets the requirements of various international safety standards, including UL, CSA, and VDE. It is also available in different packaging options, including tape and reel and bulk packaging, to accommodate various manufacturing processes.

In summary, the CTS R1378218 potentiometer is a high-performance, reliable, and versatile component that is ideal for applications where precise voltage control is essential. Its durable design, stable resistance value, and wide temperature range make it a popular choice in various industries, including automotive, industrial, and consumer electronics.

The CTS R1378218 potentiometer is a linear rotary volume control component widely used in various applications such as audio systems, industrial automation, and test equipment. Like any other electronic component, it has its advantages and disadvantages.

1. High resistance: The CTS R1378218 potentiometer offers a high resistance value of 1M , which is suitable for applications requiring a large range of volume control or current limiting.

2. Wide operating temperature range: It can operate effectively in temperatures ranging from -40 C to 85 C, making it a versatile choice for various applications.

3. Low TCR: The Temperature Coefficient of Resistance (TCR) for this potentiometer is low, meaning it maintains a relatively stable resistance value over a wide temperature range.

4. Rotary design: The rotary design of the potentiometer allows for easy adjustment and precise control of the voltage or current.

1. Limited power handling: The CTS R1378218 potentiometer is not designed for high power applications due to its relatively low power rating of 0.25W.

2. Potential for noise: The resistance value of the potentiometer can change slightly due to temperature fluctuations or mechanical vibrations, which could lead to unwanted noise in sensitive applications.

3. Requires calibration: To ensure accurate performance, the potentiometer may need to be calibrated periodically.

In conclusion, the CTS R1378218 potentiometer is a suitable choice for applications requiring a high resistance value, wide operating temperature range, and precise control. However, it may not be suitable for high power applications or where noise is a significant concern. If you are looking for a low noise and high power alternative, consider researching other types of potentiometers with lower TCR and higher power ratings.

Based on the advantages and disadvantages discussed, the CTS R1378218 potentiometer is an excellent choice for applications that require a large range of volume control, such as audio systems, or where a high resistance value is necessary. However, if your application involves high power handling or requires minimal noise, consider exploring other potentiometer options with lower TCR and higher power ratings.

Details:

Cts R1378218 potentiometer, lot 41783 g55, new old stock.

specifications passivecompos:

• brand: Cts
• mpn: R1378218

general passivecompos:

• category: Business & Industrial > Passive Components > Variable Resistors > Potentiometers

offer passivecompos:

• availability: in stock
• in stock #: 1
• sold #: 11
• price: $19.95
• item condition: New – Open box
• options: ship-to-home
• started: february 3, 2026

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• paid by: seller
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• policy: returns accepted
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