1259 OHMITE Potentiometer Ceramic

Review OHMITE Potentiometer 50 Ohms 2.12 Amps Model Ceramic

The Ohmite 1259 potentiometer is a high-performance, 50-watt, 2.12 ohm ceramic variable resistor. This potentiometer is specifically designed for applications that require precise resistance adjustments and the ability to handle relatively high power levels.

The resistive element of this potentiometer is made from a high-quality ceramic material, which offers several advantages over other types of resistive elements. Ceramic materials have a low thermal mass, meaning they heat up and cool down quickly, making them ideal for applications where temperature stability is crucial. Additionally, ceramic potentiometers have a lower temperature coefficient than other types, ensuring that the resistance value remains consistent over a wide temperature range.

This particular model of the Ohmite 1259 potentiometer has a resistance value of 2.12 ohms and a power rating of 50 watts. The potentiometer is designed to be used as a volume control or gain control in audio applications or as a variable resistor in various other electrical circuits. The resistance value can be adjusted continuously by rotating the potentiometer's shaft, which moves a wiper contact across the resistive element.

The Ohmite 1259 potentiometer is also notable for its robust construction. The resistive element is enclosed in a sturdy, epoxy-coated porcelain housing, which provides excellent protection against moisture, shock, and vibration. The shaft is made from a durable, chrome-plated brass material, and the potentiometer comes with a detent mechanism that allows for precise adjustments.

The Ohmite 1259 potentiometer is a versatile and reliable component that is suitable for use in a wide range of applications where precise resistance adjustments and high power handling are required. Its high-quality ceramic resistive element, robust construction, and adjustable resistance value make it an excellent choice for audio applications, power electronics, and other demanding electrical systems.

The Ohmite 1259 potentiometer 50 2.12 ceramic is a type of adjustable resistor commonly used in various electronic applications due to its precision and stability. Here are some pros and cons of buying this particular potentiometer:

1. High Precision: The Ohmite 1259 potentiometer is a high-precision component with a tolerance of /- 2%, making it suitable for applications that require accurate resistance adjustments.

2. Stable Resistance: Ceramic potentiometers like the 1259 offer a more stable resistance value compared to other types of potentiometers, which makes them ideal for use in applications where resistance value needs to be consistent over a wide temperature range.

3. Low TCR: The TCR (Temperature Coefficient of Resistance) of the Ohmite 1259 potentiometer is low, meaning that its resistance value changes very little with temperature, making it a good choice for temperature-sensitive applications.

4. Wide Operating Temperature Range: The potentiometer can operate in temperatures ranging from -55 C to 125 C, making it suitable for use in a wide range of electronic applications.

1. Fragile: Ceramic potentiometers are more fragile than other types of potentiometers due to their ceramic construction. They can be damaged easily if not handled carefully during installation or use.

2. Limited Power Handling: The Ohmite 1259 potentiometer has a maximum power rating of 1/4 Watt, which limits its use in applications that require high power handling capabilities.

3. Expensive: Compared to other types of potentiometers, ceramic potentiometers like the Ohmite 1259 are more expensive due to their high precision and stability.

The Ohmite 1259 potentiometer 50 2.12 ceramic is a high-precision and stable component that is ideal for applications where accurate resistance adjustments and temperature stability are required. However, it comes with some drawbacks such as fragility, limited power handling, and high cost. Therefore, it is essential to consider the specific requirements of your application and weigh the pros and cons before deciding to buy this potentiometer.

If your application requires high precision, stability, and temperature compensation, and you have the budget for it, then the Ohmite 1259 potentiometer 50 2.12 ceramic is a good choice. However, if you are looking for a more rugged and cost-effective option, you may want to consider other types of potentiometers such as carbon or film potentiometers. Ultimately, the choice depends on your specific application requirements and budget.

Details:

Pot is in good shape.

specifications passivecompos:

• brand: Ohmite
• mpn: 1259
• mounting style: Panel Mount
• type: Power Potentiometer
• unit type: Unit
• termination style: Lug
• material: Ceramic
• resistance rating: 50
• country of origin: United States

shipping passivecompos:

• class: standard
• type: calculated
• service: usps ground advantage
• carrier: usps
• transit: 9-14 days

seller passivecompos:

• rating: 98.5%
• # reviews: 1893
• city: columbus, ohio

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• credit card: diners-club

returns passivecompos:

• policy: no returns

offer passivecompos:

• in stock #: 2
• sold #: 8
• prices: $50.00–$150.00
• item condition:
  • New – Open box
  • Used
• best offers: true
• options: ship-to-home
• started: december 22, 2025
• availability: in stock

general passivecompos:

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