Suntan High Q Low ESR RF Multilayer Ceramic Capacitors – MLCC SMD – TS18Q
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High Q Low ESR RF MLCC Capacitor for Microwave Circuits – TS18Q up to 3GHz
TL;DR: The TS18Q high-Q RF MLCC capacitor delivers ultra-low ESR, stable C0G dielectric performance, and operation up to 3GHz for RF matching networks, VHF/UHF circuits, and microwave amplifiers.
What Is a High-Q RF MLCC Capacitor?
A high-Q RF multilayer ceramic capacitor is designed for high-frequency signal paths where low ESR, low loss, and stable capacitance are critical. C0G dielectric MLCC capacitors provide minimal drift over temperature and frequency, making them suitable for RF tuning and impedance matching.
TS18Q Series Overview
The TS18Q RF MLCC capacitor is optimized for hybrid ICs and high-frequency PCB layouts. Its high Q factor and low ESR enable efficient signal transmission in VHF, UHF, and microwave circuits up to 3GHz.
Key RF Electrical Characteristics
- High Q factor: >2000 at 1MHz/1KHz
- Ultra-low ESR for RF signal integrity
- C0G dielectric: 0 ±30ppm/°C temperature coefficient
- Capacitance drift ? ±0.2% or ±0.05pF
- Insulation resistance ? 10,000 MΩ at 20°C
- Operating temperature: -55°C to +125°C
- Working frequency up to 3GHz
Performance Advantages in RF and Microwave Design
In RF matching networks and amplifier stages, capacitor Q directly impacts insertion loss and signal efficiency. The TS18Q high-Q MLCC minimizes energy dissipation and maintains stable capacitance across temperature and frequency variations.
Typical Applications
- RF matching and impedance tuning networks
- VHF and UHF communication modules
- Microwave amplifier circuits
- Hybrid integrated circuits and RF front-end modules
- High-frequency test and measurement equipment
High-Q RF MLCC vs Standard MLCC
| Parameter | High-Q RF MLCC (TS18Q) | Standard MLCC |
|---|---|---|
| Q Factor | Very high (>2000) | Moderate |
| ESR | Ultra-low | Higher |
| Frequency Range | Up to GHz range | General purpose |
| RF Signal Loss | Minimal | Higher insertion loss |
Selection Considerations for RF Circuits
When selecting a high-Q RF MLCC capacitor for microwave or VHF circuits, engineers should evaluate Q factor, ESR, self-resonant frequency (SRF), dielectric type, and capacitance tolerance to ensure optimal RF performance.
Download TS18Q Datasheet
Access full RF electrical specifications and package options:
TS18Q High-Q RF MLCC Datasheet
Request Samples and RF Design Support
Looking for a high-Q MLCC capacitor for RF matching or microwave amplifier design? Contact our engineering team for samples, S-parameter data, and RFQ support.