BOURNS 3386 Series 100Ω Cermet Trimmer Potentiometer, Top Adjust, 1 Turn

The BOURNS 3386 Series is a high-quality, single-turn cermet trimming potentiometer designed for through-hole mounting. This component is engineered for precision circuit adjustment across a diverse range of electronic equipment, offering reliable performance and stability where fine-tuning of resistance values is critical. Its robust construction ensures durability and consistent electrical characteristics under varying conditions.

This specific model features a top-adjustment design, allowing for easy access and calibration during assembly or maintenance. The potentiometer utilises a cermet (ceramic-metal) resistance element, which provides excellent long-term stability, low noise, and a wide operating temperature range. With a resistance value of 100Ω and a ±10% tolerance, it is suitable for numerous applications requiring a stable, adjustable resistor.

Key Features & Specifications

• Element Material: Cermet construction for reliability and stability.
• Adjustment Type: Top adjust for convenient access.
• Mounting Style: Through-hole for secure PCB mounting.
• Resistance Value: 100Ω.
• Resistance Tolerance: ±10%.
• Power Rating: 0.5W (500mW).
• Temperature Coefficient: ±100ppm/°C, ensuring minimal resistance change with temperature fluctuations.
• Operating Temperature Range: -55°C to +125°C, suitable for demanding environments.
• Rotational Life: 200 cycles, providing dependable adjustment over time.
• Physical Size: 3/8 inch square footprint with a low profile.

The trimmer is part of the versatile 3386 series, which is also available in side-adjust configurations and a wide resistance range from 10Ω to 2MΩ. Optional accessories, such as an adjustment knob for finger adjustment or an extended shaft with a cross-slot rotor, can enhance usability in specific assembly scenarios. This BOURNS trimmer is an ideal