3214W-1-103E

The "3214W-1-103E" is a specific model of a potentiometer manufactured by Bourns, Inc., a well-known company in the field of electronic components. Here’s a detailed description of this component:

General Overview

The 3214W-1-103E is a multi-turn potentiometer, which means it allows for precise adjustments over multiple rotations. This type of potentiometer is commonly used in applications where fine-tuning is necessary, such as in audio equipment, instrumentation, and control systems.

Physical Characteristics

• Form Factor: The potentiometer typically features a compact, cylindrical design, making it suitable for integration into various electronic devices.
• Mounting Type: It is designed for through-hole mounting, which allows for easy installation on printed circuit boards (PCBs).
• Shaft Type: The shaft is usually knurled or slotted, allowing for easy gripping and adjustment with a knob or screwdriver.
• Dimensions: The dimensions are generally small, with a diameter of around 20mm and a height of approximately 30mm, though exact measurements can vary slightly.

Electrical Specifications

• Resistance Value: The "103" in the part number indicates a resistance value of 10 kΩ (10,000 ohms).
• Taper: This model typically features a linear taper, meaning the resistance changes uniformly with the rotation of the shaft.
• Power Rating: The potentiometer can handle a power rating of around 0.5 watts, making it suitable for low to moderate power applications.
• Temperature Range: It is designed to operate effectively within a temperature range of -55°C to +125°C, ensuring reliability in various environmental conditions.

Performance Features

• Multi-Turn Design: The multi-turn feature allows for a greater range of adjustment, often up to 10 turns, providing high precision in setting resistance values.
• Durability: Bourns potentiometers are known for their robust construction, often featuring a sealed design to protect against dust and moisture, enhancing longevity.
• Electrical Life: The component typically has a long electrical life, rated for thousands of cycles, ensuring consistent performance over time.

Applications

The 3214W-1-103E potentiometer is widely used in:

• Audio equipment for volume control and tone adjustment.
• Industrial controls for precise settings in machinery.
• Medical devices where accurate calibration is critical.
• Consumer electronics for user interface adjustments.

Conclusion

The Bourns 3214W-1-103E potentiometer is a versatile and reliable component ideal for applications requiring precise control and adjustment. Its multi-turn capability, durable design, and wide range of applications make it a popular choice among engineers and designers in various fields.