High-Q Multilayer Ceramic Capacitors (MLCCs) are low-loss, high-frequency components designed for RF/microwave circuits and high-performance electronic systems. Key features include:
High Quality Factor (Q): Typically exceeding 1,000 (@1MHz), with ultra-low dissipation factor (tanδ < 0.1%), ideal for resonant circuits.
Stable High-Frequency Performance: Maintain low ESR (Equivalent Series Resistance) and impedance at GHz frequencies.
Temperature Stability: Utilize temperature-compensated dielectrics (e.g., C0G) with minimal capacitance drift (±30ppm/℃).
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Parameter |
Range/Characteristics |
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Capacitance Range |
0.1pF ~ 8200pF (low capacitance for high-frequency tuning) |
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Rated Voltage |
50V ~ 10000V (high-voltage variants require custom design) |
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Q Factor |
>1,000 @1MHz (RF-specific models exceed 2,000) |
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Temperature Stability |
C0G dielectric (±30ppm/℃) |
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Operating Frequency |
DC ~ 10GHz (supports wireless comms, radar, and satellite bands) |
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Package Sizes |
0402, 0603 0805 ,etc.(suitable for high-density PCB layouts) |
High-Q MLCCs are critical in systems requiring high-frequency precision, low loss, and stability:
RF Communications:
5G base stations/UEs: PA matching networks, filters, antenna tuning.
Wi-Fi 6/6E, Bluetooth modules: Impedance matching and resonance circuits.
Satellite & Radar Systems:
Microwave transceivers, coupling capacitors in phased-array radars.
Medical Equipment:
MRI RF coils, high-frequency imaging systems.
Automotive Electronics:
77GHz automotive radars, V2X modules, high-frequency ECUs.
Test & Measurement:
Calibration circuits in network/spectrum analyzers.
5G/6G Deployment: Millimeter-wave bands (24-100GHz) escalate demand for high-Q MLCCs.
Automotive Autonomy: L4/L5 ADAS systems rely on high-frequency radars, boosting automotive-grade MLCC adoption.
Satellite Mega-Constellations: Low-Earth orbit (LEO) projects (e.g., Starlink) require radiation-hardened, high-frequency MLCCs.
Extended Frequency Range: MLCCs supporting >40GHz
Integrated RF Front-End Modules (FEMs): Co-packaging high-Q MLCCs with inductors.
Material Innovations: LTCC (Low-Temperature Co-fired Ceramics) for enhanced RF performance.
UF capacitors produces RF High Q MLCC TSQ & THQ to replace ATC Series with a cross to as following.
Lead time: ~ 4weeks, Cost down by 30%~50%, 100% guarantee quality, support sample in free & trial order.
Contact UFcapacitors for samples and more product information!
Or send inquiry to karin@ufcapacitors.com
Cross To
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UF capacitors HQ RF MLCC |
Series fm UF |
Cross to ATC |
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TSQ Series |
TSQ-0402 |
ATC600L |
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TSQ-0603 |
ATC600S |
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TSQ-0805 |
ATC600F |
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TSQ-0505 |
ATC100A |
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TSQ-0505 |
ATC800A |
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TSQ-1111 |
ATC100B |
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TSQ-1111 |
ATC800B |
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TSQ-0709 |
ATC180R |
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TSQ-0709 |
ATC800R |
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THQ Series |
THQ-0402 |
ATC600L |
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THQ-0603 |
ATC600S |
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THQ-0805 |
ATC600F |
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THQ-0505 |
ATC100A |
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THQ-0505 |
ATC700A |
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THQ-1111 |
ATC100B |
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THQ-2525 |
ATC100C |
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THQ-3838 |
ATC100E |
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THQ-7676 |
ATC100H |
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