Bourns 3386 Series 500 Ohm Cermet Trimmer Potentiometer
Bourns 3386 series 500 ohm cermet trimmer. Single turn, through hole, top adjust. For precise circuit tuning in electronics.
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
- For circuit adjustment in all types of electronic equipment
- For voltage division and signal conditioning applications
- For calibration and tuning in prototype and production boards
- For use in industrial controls, instrumentation, and consumer electronics
- Trimmer Type: Single Turn
- Element Material: Cermet
- Adjustment Type: Top Adjust
- Track Resistance: 500 ohm
- Potentiometer Mounting: Through Hole
- Resistance Tolerance: ± 10%
- Power Rating: 500mW
- Operating Temperature Range: -55°C to +125°C
- Temperature Coefficient: ± 100ppm/°C
- Rotational Life: 200 cycles
- Trimmer Shape / Size: 3/8 Inch Square
- Product Range: 3386 Series
- Weight: 0.76 grams
- Dimensions (H x W x D): 43 mm x 33 mm x 15 mm
- of Turns: 1Turns
- Operating Temperature Min: -55°C
- Operating Temperature Max: 125°C
- SVHC: No SVHC (04-Feb-2026)
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