Trimmer Variable Capacitor Pak 5pF to 120pF 14 Pcs 7 Values

SKU: EP14

Brand: Generic

Type: Through Hole

Model: Variable Capacitor

Series: 6mm Lead Type

Capacitance Min: 1.5 pF

Capacitance Max: 5 pF

Voltage Rating: 50 V – 100 V

Terminal Shape: Top Adjustment

Case Colour: Blue, Green, Red, White, Brown

Operating Temperature: -25 °C to +85 °C

Temperature Characteristics: NPO ± 200 ppm/ °C

430.00

Description

Variable capacitors are used for precise tuning in electronic circuits, particularly in RF (radio frequency), communication, and signal-processing applications.

These variable capacitor set consists of 14 capacitors in 7 different capacitance values, with 2 pieces of each type. These capacitors allow for adjustable capacitance, making them useful in circuits where fine-tuning is required.

Symbol:

Variable Capacitor Structure:

Package Includes

14 Variable Capacitor 7 Types

  • 5pF - 2 Pcs
  • 10pF - 2 Pcs
  • 20pF - 2 Pcs
  • 30pF - 2 Pcs
  • 50pF - 2 Pcs
  • 70pF - 2 Pcs
  • 120pF - 2 Pcs

Features:

  • Adjustable capacitance for precise tuning
  • High precision and stability
  • Compact and PCB-friendly design
  • Low signal losses in RF applications
  • Durable with good thermal stability
  • Versatile use in tuners, oscillators, and communication devices

Applications:

  • RF Tuners - Used for fine-tuning radio frequency circuits
  • Oscillators - Helps in frequency control and stability
  • Impedance Matching - Adjusts capacitance to optimize signal transmission
  • Filters - Used in band-pass and notch filters for signal processing
  • Antenna Matching Circuits - Enhances antenna performance and efficiency
  • Wireless Communication Devices - Ensures stable signal transmission in RF modules
  • Signal Generators - Helps in setting precise output frequencies.
1. How does a variable capacitor work?

A variable capacitor adjusts capacitance by changing the distance or overlap between its internal plates.

2. Are variable capacitors suitable for high-frequency applications?

Yes, they are designed for RF and high-frequency circuits where precise capacitance control is needed.

3. Are variable capacitors polarized?

No, variable capacitors are non-polarized, meaning they can be connected in any direction.

4. How do I test a variable capacitor?

You can use a capacitance meter or LCR meter to measure its adjustable range.

5. What is the difference between a variable and a fixed capacitor?

A JML06 is adjustable, while a fixed capacitor has a constant capacitance value.

6. How do I solder variable capacitors onto a PCB?

Use low-temperature soldering and avoid excessive heat to prevent damage.

7. How do I safely discharge a variable capacitor?

Use a high-value resistor (e.g., 1MΩ) to slowly discharge it, avoiding short circuits that may damage the component.

8. What happens if a variable capacitor is exposed to excessive voltage?

It may break down or fail permanently, potentially short-circuiting the circuit.

9. What is the expected failure mode of variable capacitors?

Common failure modes include capacitance drift, internal short circuits, or dielectric breakdown.

10. Can I purchase specific types individually rather than in a pack?

This product is sold as a complete pack, but individual types may be available separately upon request.

 

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