Bourns 3386 Series 100Ω Cermet Trimmer Potentiometer Top Adjust 1 Turn

The Bourns 3386 Series 100Ω Cermet Trimmer Potentiometer is a single-turn trimming potentiometer with a 100Ω resistance value and ±10% tolerance, designed for through-hole PCB mounting.

Overview

The trimmer uses a cermet (ceramic-metal) resistance element and features a top adjust design, giving access to the adjustment point during assembly or maintenance. It is intended for precision circuit adjustment and fine-tuning of resistance values across a range of electronic equipment.

Key Features

• Cermet element material
• Top adjust for convenient access
• Single-turn adjustment
• Through-hole mounting for secure PCB fitting
• Resistance value of 100Ω with ±10% tolerance
• Power rating of 0.5W (500mW)
• Temperature coefficient of ±100ppm/°C
• Operating temperature range of -55°C to +125°C
• Rotational life of 200 cycles
• Low profile 3/8 inch square footprint

Dimensions and Weight

The trimmer measures 3.3 (width) x 1.5 (depth) x 4.3 (height) and weighs 0.76 gm.

Applications

Suited to applications requiring a stable, adjustable resistor, the 3386 Series is intended for calibration and adjustment tasks in electronic assemblies and equipment, including demanding environments within its stated temperature range. The cermet element provides long-term stability and low noise, making it suitable for numerous circuits that need a fixed but adjustable resistance.