BOURNS 3386 100K Ohm Cermet Trimmer Potentiometer 0.5W

The BOURNS Trimpot 3386 series is a range of cermet, through-hole trimming potentiometers designed for precise circuit adjustments in a wide variety of electronic equipment. This single-turn trimmer is a 3/8-inch square device, available in both top-adjust and side-adjust configurations, offering flexibility for different PCB layouts and calibration needs.

With a resistance value of 100k ohms and a tolerance of ±10%, this trimmer provides reliable performance for fine-tuning circuits. It features a temperature coefficient of ±100ppm/°C, ensuring stable operation across a wide temperature range from -55°C to +125°C. The power rating is 0.5W, making it suitable for a range of low-to-moderate power applications.

The trimmer is rated for a rotational life of 200 cycles, ensuring durability in repeated adjustment scenarios. It can be supplied with a knob for finger adjustment or with an extended shaft and cross-slot rotor, depending on the specific variant, providing ease of use in different settings.

Key Features

• Single-turn cermet trimming potentiometer
• 3/8-inch square package (top or side adjust)
• Resistance: 100k ohm ±10%
• Power rating: 0.5W
• Operating temperature: -55°C to +125°C
• Temperature coefficient: ±100ppm/°C
• Rotational life: 200 cycles
• Through-hole mounting for reliable PCB connection

This trimmer is ideal for calibration and adjustment in audio equipment, power supplies, and other electronic circuits where precision is essential. Its robust construction and wide operating range make it a dependable choice for both prototyping and production.