18pF Variable Capacitor (Trimmer Capacitor)

The 18pF Variable Capacitor (Trimmer Capacitor) is designed for fine-tuning electronic circuits with stable performance and low losses. Widely used in oscillators, filters, radio receivers, and high-frequency equipment. Its compact construction ensures easy PCB mounting and long-term reliability for laboratory and professional electronics projects.

Key Features

1. Adjustable capacitance up to 18pF for precise frequency control.
2. High stability and low dielectric loss for reliable circuit performance.
3. Compact and lightweight design suitable for PCB mounting.
4. Durable construction ensures long operational life.
5. Ideal for RF circuits, communication devices, and testing labs.

Precautions

1. Do not exceed the maximum voltage rating during operation.
2. Handle gently to avoid damaging the tuning plates.
3. Ensure proper grounding to avoid RF interference.
4. Avoid exposure to moisture and corrosive environments.
5. Use an insulated tool for tuning adjustments to prevent short circuits.

Frequently Asked Questions (FAQs)

Question: What is the purpose of the 18pF Variable Capacitor?
Answer: It is used to fine-tune frequency and capacitance levels in RF circuits and oscillators.

Question: Can this capacitor be mounted on a PCB?
Answer: Yes, it is designed for easy and secure PCB mounting in laboratory and professional applications.

Question: Is this suitable for high-frequency applications?
Answer: Yes, its low dielectric loss and stable tuning make it ideal for high-frequency electronic devices.

Question: What tool should be used for tuning?
Answer: An insulated non-metallic tuning tool is recommended to avoid circuit interference or shorting.

Question: Can I use this capacitor in radio receivers?
Answer: Yes, it is commonly used in radio receivers, transmitters, and RF calibration circuits.