3299X-1-503 BOURNS Trimmer Potentiometers

Review BOURNS Trimmer Potentiometers

The Bourns 3299x-1-503 trimmer potentiometers are precision adjustment components designed for various electronic applications. These linear trimmer potentiomets offer a cost-effective solution for fine-tuning and calibrating circuits in the industrial, automotive, communication, and medical industries, among others.

The 3299x-1-503 series comes with a tapered shaft, which allows for easy adjustment with a screwdriver or a small flathead tool. The shaft is also sealed with a bushing to ensure the potentiometer's durability and protect against contaminants that may affect the performance.

These trimmer potentiometers boast a resistive element with a tolerance range from 1% to 20%, making them suitable for applications that require high accuracy and stability. The wiper resistance ranges from 1 ohm to 10 megohms, providing flexibility for various circuit designs.

The Bourns 3299x-1-503 trimmer potentiometers feature a rotary actuator with a knob diameter of approximately 0.25 inches (6.35mm), allowing for easy and precise adjustments. The compact design also ensures that they can fit into tight spaces in electronic assemblies.

These potentiometers have a power rating of 0.5 watts and operate over a temperature range of -55 C to 125 C, making them suitable for various environments. Additionally, they come with a Teflon bobbin that provides electrical insulation and improves the potentiometer's overall performance and reliability.

In summary, the Bourns 3299x-1-503 trimmer potentiometers are versatile and high-performance adjustment components suitable for a wide range of electronic applications. Their fine tolerance, wide wiper resistance range, and robust design make them an ideal choice for calibrating and fine-tuning circuits in various industries.

The Bourns 3299x-1-503 trimmer potentiometers are commonly used in various electronic projects due to their precise trimming capability and durability. Here are some pros and cons that may help you decide whether to buy these potentiometers:

1. High Precision: These trimmer potentiometers offer a high degree of precision, making them suitable for applications where fine adjustments are required.

2. Wide Range: They have a wide trimming range of 10:1, which means they can be used to make adjustments over a broad spectrum.

3. Durable: Bourns trimmer potentiometers are known for their robust construction and long lifespan, making them a reliable choice for electronic projects.

4. Easy to Use: Trimmer potentiometers are easy to use and can be adjusted with a simple screwdriver or even by hand.

5. Versatile: They can be used in various electronic applications, including audio amplifiers, voltage regulators, and oscillator circuits.

1. Cost: Compared to other types of potentiometers, trimmer potentiometers can be more expensive.

2. Limited Load Capacity: Trimmer potentiometers have a limited load capacity, which means they may not be suitable for applications where high current is required.

3. Sensitive to Vibration: Due to their small size and delicate construction, trimmer potentiometers can be sensitive to vibration and may require a stable mounting environment.

In conclusion, the Bourns 3299x-1-503 trimmer potentiometers offer high precision, a wide trimming range, durability, and ease of use. However, they can be more expensive than other types of potentiometers, have a limited load capacity, and may be sensitive to vibration.

If you require precise adjustments in your electronic project and have the budget for it, then these trimmer potentiometers are a great choice. However, if you are on a tight budget or require a high load capacity, then you may want to consider other types of potentiometers.

Overall recommendation: If precision and ease of adjustment are your top priorities in an electronic project, then the Bourns 3299x-1-503 trimmer potentiometers are a recommended purchase.

Details:

Trimmer potentiometers, 3/8 square, features: - multi turn, cermet, industrial, sealed, standoffs, specifications: resistance: 50k ohm, tolerance: 10%, adjust ability: voltage : 0.01%, 0.05%, insulation 500v 1,000 m min. Effective travel: 25 turns. Load life: 1000 hours 0.75w 70 c. Rotational life: 200 cycles.

specifications passivecompos:

• brand: Bourns
• mpn: 3299x-1-503

payments passivecompos:

• other
• credit card: discover
• wallet: apple-pay

shipping passivecompos:

• class: standard
• service: standard
• type: fixed
• transit: 3-5 days

returns passivecompos:

• policy: no returns

general passivecompos:

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

seller passivecompos:

• city: st petersburg, fl
• # reviews: 39
• rating: 100.0%

offer passivecompos:

• prices: $12.00–$35.00
• item condition:
  • New – Open box
  • New
• sold #: 16
• availability: in stock
• options: ship-to-home
• started: december 5, 2025