faq

1. What is a conical inductor?

A conical inductor is an air-core RF inductor wound in a tapered shape. Its geometry provides excellent broadband performance, low parasitic capacitance, and stable inductance over a wide frequency range.

2. Why use a conical inductor instead of a cylindrical air-core inductor?

Conical inductors offer:

• Wider bandwidth
• Lower parasitic capacitance
• Better impedance matching
• Higher self-resonant frequency
• Improved microwave performance

3. What applications are conical inductors used for?

Typical applications include:

• RF power amplifiers
• Microwave amplifiers
• Broadband matching networks
• Satellite communication
• Radar systems
• 5G base stations
• Aerospace electronics
• Test instruments
• High-frequency filters

4. What frequency range do your conical inductors support?

Our standard conical inductors are designed for broadband RF applications, with operating frequency ranges up to 22 GHz or 40 GHz, depending on the model.

5. Why does a conical shape improve RF performance?

The tapered winding reduces distributed capacitance and improves current distribution, resulting in better high-frequency characteristics than conventional cylindrical coils.

6.What inductance values are available?

We manufacture conical inductors covering various inductance values for RF and microwave circuit designs.

7.Do you provide OEM and ODM services?

Yes.

We support OEM and ODM manufacturing according to customer drawings, electrical specifications, and application requirements.

8. What materials are used?

Our conical inductors are manufactured using high-conductivity copper wire to ensure excellent electrical performance and reliability.

9.What operating temperature is supported?

Standard operating temperature:

−55°C to +125°C.

10.Can conical inductors be used in high-power RF circuits?

Yes. Depending on the selected model, conical inductors are suitable for many high-frequency, high-power RF and microwave applications where low loss and high reliability are required.

1. What is a thin film chip capacitor?

A thin film chip capacitor is a high-frequency capacitor manufactured using thin-film metallization technology. It offers excellent RF performance, tight tolerance, and low insertion loss, making it ideal for microwave and RF applications.

2. What is the difference between a thin film capacitor and an MLCC?

Thin film capacitors provide:

• Higher Q factor
• Lower ESR
• Lower insertion loss
• Better microwave performance
• Better capacitance stability

MLCCs are generally designed for general-purpose electronics, while thin-film capacitors target RF and microwave circuits.

3. What applications are RF chip capacitors used in?

Typical applications include:

• RF Power Amplifiers
• Low Noise Amplifiers
• Microwave Modules
• RF Filters
• Satellite Communication
• Radar Systems
• 5G Infrastructure
• Aerospace Electronics
• Test Equipment
• Wireless Communication

4. What capacitance values are available?

We manufacture thin-film chip capacitors from sub-pF values to hundreds of pF. Custom capacitance values are also available.

5. Can you customize chip capacitors?

Yes.

We support:

• Capacitance
• Chip dimensions
• Electrode metallization
• Voltage rating
• Border style
• Custom drawings

6. What metallization systems are available?

Available metallization includes:

• TiW-Au
• TiW-Pt-Au
• TaN/TiW/Ni/Au

to meet various wire bonding and die attachment processes.

7. What operating temperature do your capacitors support?

Standard operating temperature:

−55°C to +125°C.

8. Do your capacitors support wire bonding?

Yes.

Our thin film capacitors are designed for wire bonding, conductive epoxy attachment, and other high-reliability assembly processes.

9. What industries use thin film RF capacitors?

• Aerospace
• Defense
• Satellite
• Medical Equipment
• Microwave Communication
• Semiconductor Equipment
• Radar
• Scientific Instruments

10. Can you manufacture OEM products?

Yes.

We provide OEM and ODM manufacturing according to customer specifications, drawings, or custom RF designs.

1. What is an air core inductor?

An air core inductor is a coil without a magnetic core. It provides excellent high-frequency performance, low core loss, and a high quality factor (Q), making it suitable for RF and microwave circuits.

2. Why choose an air core inductor instead of a ferrite inductor?

Air core inductors eliminate core saturation and hysteresis losses, offering better stability and lower loss at microwave frequencies.

3. What frequency range are your air core inductors designed for?

Our standard air core inductors are optimized for RF and microwave applications from approximately 4 GHz to 20 GHz, depending on the model.

4. What applications are these inductors suitable for?

Typical applications include:

• RF amplifiers
• Microwave circuits
• Power amplifiers
• Matching networks
• Wireless communication
• 5G equipment
• Satellite communication
• Radar systems
• Test instruments
• Aerospace electronics 

5. Can you manufacture custom inductance values?

Yes.

We support custom:

• Inductance
• Coil diameter
• Number of turns
• Wire diameter
• Lead length
• Mechanical dimensions

6. What inductance values are available?

We manufacture a wide range of inductance values from several nH to hundreds of nH depending on coil geometry and customer requirements.

7. What wire materials do you use?

We typically use:

• Oxygen-free copper
• Silver-plated copper wire
• Gold-plated wire (custom)

8. Do you support OEM and ODM services?

Yes.

We provide OEM and ODM manufacturing based on customer drawings, electrical specifications, or sample products.

9. Can you provide samples?

Yes.

Prototype quantities are available for engineering

10. How do I select the correct air core inductor?

Selection depends on:

• Operating frequency
• Required inductance
• Current rating
• Q factor
• Self-resonant frequency
• PCB layout

Our engineering team can recommend the best model.

11. What is the operating temperature?

Typical operating temperature is

−55°C to +125°C.

evaluation before volume production.

12. What mounting method is recommended?

For optimum RF performance:

• Keep lead length as short as possible.
• Mount the coil perpendicular to the RF transmission line.
• Apply adhesive after tuning if necessary.

These recommendations match your own installation guide.

13. What is the difference between a High-Q inductor and a standard inductor?

High-Q inductors provide:

• Lower insertion loss
• Higher efficiency
• Better impedance matching
• Improved RF performance
• Lower signal attenuation

High-Q and low-loss characteristics are key requirements in RF and microwave designs.

14. Which industries use air core inductors?

Our products are widely used in:

• Telecommunications
• Aerospace
• Defense
• Medical electronics
• RF laboratories
• Industrial automation
• Wireless infrastructure

15. Are your products RoHS compliant?

Yes.

Our products can be supplied in RoHS-compliant versions and meet environmental requirements for international markets.