120pF Adjustable Trimmer Capacitor 🎛️

The Adjustable Trimmer Capacitor (120 pF) is a reliable, high-quality electronics component designed for fine tuning and calibration in RF circuits, filters, and oscillators. Ideal for both electronics hobbyists and professional engineers, this ceramic trimmer capacitor offers stable performance at high frequencies (hundreds of MHz and beyond) and integrates easily into Arduino, Raspberry Pi, and other microcontroller-based projects and modules.
Unlike fixed capacitors, a tunable (trimmer) capacitor allows the capacitance value to be adjusted to achieve circuit resonance with inductors, precise impedance matching, or drift compensation. Once set to the desired value, it typically behaves like a standard capacitor and rarely needs readjustment. Avoid excessive or frequent adjustments to prevent mechanical wear or damage.

✨ Key Features

• 🎯 High precision adjustment: Fine-tune capacitance to meet exact target values for RF and filter applications.
• 📡 Excellent high-frequency performance: Ceramic construction supports operation into the hundreds of MHz.
• 🧱 Durable build: Premium ceramic and metal materials ensure stability and long service life.
• 🧩 Compact, through-hole package: Easy to integrate into prototyping boards and production PCBs.
• 🔧 Screwdriver slot adjustment: Simple, repeatable tuning with standard tools; non-conductive trimmers recommended for RF.

🛠️ Technical Specifications

• Capacitance Range: Adjustable; up to 120 pF (varies by model)
• Operating Temperature: -40°C to +85°C
• Mounting Type: Through-Hole
• Material: Ceramic dielectric with metal electrodes
• Adjustment Type: Screwdriver slot (top adjustment)

📦 Typical Use Cases

This adjustable trimmer capacitor is suitable for a wide range of applications, including:

• 📻 Radio receivers and transmitters
• 📺 Television RF sections and IF filters
• 📶 Communication devices and antenna matching networks
• 🧪 Test and measurement equipment
• 🔬 DIY electronics projects, LC oscillators, and filter tuning
• 🧰 Arduino, Raspberry Pi, and microcontroller modules requiring fine capacitance tuning

✔️ Application Notes

• Use a non-conductive tuning tool when adjusting in RF circuits to avoid detuning during setup.
• Set once and avoid over-adjustment to maintain mechanical integrity.
• Observe appropriate voltage and power limits per your circuit design and operating frequency.