BOURNS 3386 Series Single Turn Cermet Trimmer Potentiometer, 500K, Top Adjust

The BOURNS 3386 Series Single Turn Cermet Trimmer Potentiometer is a high-quality, through-hole component designed for precise circuit adjustment in a wide range of electronic equipment. These trimmers feature a durable cermet element, offering stable performance and reliability.

With a compact 3/8-inch square form factor and a top adjustment design, this potentiometer allows for easy calibration after installation. It provides a resistance value of 500 kilohms (500K) with a tolerance of ±10%, ensuring accurate and consistent performance in your circuits.

Key Features & Specifications

• Element Material: High-reliability cermet construction for long-term stability.
• Adjustment Type: Single turn, top adjust for straightforward tuning.
• Mounting: Through-hole design for secure PCB mounting.
• Resistance Range: This specific model is 500K ohms, with the series offering a broad range from 10 ohms to 2 megohms.
• Power Rating: Capable of handling 0.5 watts (500mW).
• Temperature Performance: Operates reliably across a wide temperature range from -55°C to +125°C, with a low temperature coefficient (TCR) of ±100ppm/°C.
• Durability: Rated for a rotational life of 200 cycles, ensuring dependable adjustment over time.
• Dimensions: Compact size measuring 33mm in width, 15mm in depth, and 43mm in height.
• Weight: Lightweight at just 1.12 grams.

This trimmer is part of the versatile 3386 series, which includes both top-adjust and side-adjust variants. Optional accessories such as adjustment knobs for finger adjustment, extended shafts, and cross-slot rotors are available to suit different assembly and tuning requirements. It is an essential component for prototyping, testing, and final production where reliable and precise resistance adjustment is needed.