Adjustable Trimmer Capacitor 3PF–120PF | DIY Electronics

Wide Range Adjustable Trimmer Capacitor — 3PF to 120PF

Whether you're building circuits, tuning radio frequency oscillators, or repairing electronic devices, this wide-range plastic trimmer capacitor gives you precise, reliable capacitance adjustment from 3PF to 120PF. Its broad tuning range makes it an essential component for hobbyists, electronics engineers, and DIY enthusiasts alike.

Key Features

• Wide Adjustment Range: 3PF to 120PF — suitable for a broad variety of frequency-matching and circuit-tuning applications
• Durable Construction: Made from quality metal and plastic for long-lasting performance
• Easy to Adjust: Screw-type trimming mechanism allows for fine, stable capacitance tuning
• Compact Design: Small form factor fits neatly into circuit boards and DIY project enclosures
• Versatile Compatibility: Ideal for RF circuits, oscillators, filters, and frequency-matching projects
• Available in 10 color options to help with circuit organisation and component identification

Ideal Applications

• RF (radio frequency) circuit design and tuning
• Oscillator frequency adjustment
• Filter circuit calibration
• DIY electronics projects and prototyping
• Electronic device repair and component replacement

Specifications

• Capacitance Range: 3PF – 120PF
• Material: Metal + Plastic
• Adjustment Type: Screw-trimmed variable capacitor
• Available Colors: 10 options

For further guidance on electronic components and safe DIY electronics practices, visit the U.S. Consumer Product Safety Commission (CPSC) Electrical Safety Resource.

Frequently Asked Questions

Q: What is a trimmer capacitor and what is it used for?

A: A trimmer capacitor is a small, adjustable variable capacitor used in electronic circuits to fine-tune capacitance values. This model ranges from 3PF to 120PF, making it suitable for frequency-matching, oscillator tuning, RF circuit calibration, and a wide variety of DIY electronics and repair projects.

Q: What does the 3PF to 120PF range mean for my project?

A: The capacitance range of 3PF to 120PF means this trimmer capacitor can be adjusted across a wide spectrum, giving you flexibility in circuits that require precise frequency tuning or capacitance matching. It is especially useful in RF and oscillator circuits where fine adjustment is critical.

Q: How do I adjust this trimmer capacitor?

A: This trimmer capacitor features a screw-type adjustment mechanism. Using a small screwdriver, you can rotate the adjusting screw to increase or decrease the capacitance within the 3PF–120PF range. Always adjust carefully and in small increments for best results.

Q: Is this trimmer capacitor suitable for beginners?

A: Yes — its simple screw-adjust design and compact size make it accessible for beginners working on DIY electronics kits, while its wide tuning range also satisfies the needs of more experienced hobbyists and electronics technicians.