500K Trimpot 1/2W 3362P – Top-Adjust Single-Turn Trimmer Potentiometer 🔧

The 3362P 500 kΩ trimpot is a compact, through-hole trimmer potentiometer designed for precise calibration in analog and mixed-signal circuits. Adjusting the screw changes the resistance, enabling accurate tuning of voltage, current, gain, or offsets in applications such as amplifiers, regulators, and filters. Ideal for Arduino, Raspberry Pi, and other microcontroller projects, as well as professional designs and prototyping with electronics components and modules.

Key Benefits ⚙️

• Precise adjustment: Single-turn control for fast, repeatable calibration
• Top-adjust access: Easy tuning after PCB assembly
• 0.5 W (1/2 W) power rating: Suitable for bias, reference, and signal-level trimming
• Through-hole (THT) package: Durable, solder-mounted solution for reliable performance
• 3362P form factor: Widely used, proven package for bench and field calibration

Typical Applications 💡

• Voltage dividers for ADC scaling and reference voltage trimming
• Op-amp gain and offset calibration in amplifiers and active filters
• Regulator feedback network adjustment in power supplies
• Sensor module calibration for Arduino and Raspberry Pi projects
• General electronics modules requiring precision set-point tuning

How It Works 🧠

This component is a variable resistor. Turning the adjustment screw moves a wiper along the resistive element, changing the resistance between terminals. In a voltage divider, this directly sets the output voltage, affecting circuit behavior and performance.

Technical Specifications 📐

• Resistance: 500 kΩ
• Power Rating: 0.5 W (1/2 W)
• Type: Trimmer Potentiometer (Trimpot)
• Series/Package: 3362P
• Adjustment: Single-turn, top-adjust
• Mounting: Through-hole (THT)

Integration Notes 🔌

• For microcontroller inputs, use as a voltage divider between VCC and GND to set an analog level for ADC measurement
• In sensitive circuits, add fixed series/parallel resistors to limit the trim range and protect setpoints
• Use a suitable precision screwdriver; avoid over-torque for consistent calibration

What’s Included 📦

• 1 × 500K Trimpot 1/2W 3362P