Bourns 3386 Series 500 Ohm Cermet Trimmer Potentiometer

The Bourns 3386 Series is a high-quality range of single-turn, cermet trimming potentiometers designed for precise circuit adjustments in a wide array of electronic equipment. Manufactured by Bourns, a trusted name in electronic components, this through-hole mount trimmer offers reliable performance and consistent electrical characteristics.

Constructed with a robust cermet element, this trimmer provides excellent long-term stability and durability. It features a 500 ohm track resistance with a ±10% tolerance, making it suitable for fine-tuning applications where accuracy is key. The trimmer operates effectively across a broad temperature range from -55°C to +125°C and maintains a low temperature coefficient (TCR) of ±100ppm/°C for stable performance in varying environmental conditions.

This model has a top-adjust configuration for easy access and adjustment. It is rated for a power handling of 0.5W (500mW) and offers a rotational life of 200 cycles, ensuring dependable operation over its service life. The compact 3/8-inch square form factor makes it ideal for applications where board space is at a premium.

Key Features & Specifications

• Type: Single-turn trimming potentiometer
• Element Material: High-reliability cermet
• Adjustment Type: Top adjust
• Mounting: Through-hole
• Track Resistance: 500 ohm
• Resistance Tolerance: ±10%
• Power Rating: 0.5W (500mW)
• Operating Temperature Range: -55°C to +125°C
• Temperature Coefficient: ±100ppm/°C
• Rotational Life: 200 cycles
• Package Size: 3/8-inch square