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Home > Products > Capacitors > Ceramic Capacitors > 08051U9R1BAT2A
KYOCERA AVX
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08051U9R1BAT2A

In Stock 44971 pcs Reference Price(In US Dollars)
2000+
$0.5174
Manufacturer Part Number:
08051U9R1BAT2A
Manufacturer / Brand
KYOCERA AVX
Part of Description:
CAP CER 9.1PF 100V NP0 0805
Datasheets:
08051U9R1BAT2A(1).pdf08051U9R1BAT2A(2).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 44971 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number 08051U9R1BAT2A
Manufacturer / Brand KYOCERA AVX
Stock Quantity 44971 pcs Stock
Category Capacitors > Ceramic Capacitors
Description CAP CER 9.1PF 100V NP0 0805
Lead Free Status / RoHS Status: ROHS3 Compliant
RFQ 08051U9R1BAT2A Datasheets 08051U9R1BAT2A Details PDF
08051U9R1BAT2A Details PDF for FR.pdf
08051U9R1BAT2A Details PDF for KR.pdf
08051U9R1BAT2A Details PDF for IT.pdf
08051U9R1BAT2A Details PDF for ES.pdf
08051U9R1BAT2A Details PDF for DE.pdf
Voltage - Rated 100V
Tolerance ±0.1pF
Thickness (Max) 0.045" (1.15mm)
Temperature Coefficient C0G, NP0
Size / Dimension 0.079" L x 0.049" W (2.01mm x 1.25mm)
Series U
Ratings -
Package / Case 0805 (2012 Metric)
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount, MLCC
Lead Style -
Lead Spacing -
Height - Seated (Max) -
Features Ultra Low ESR
Capacitance 9.1 pF
Applications RF, Microwave, High Frequency

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

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Shipping Fees reference DHL/FedEx
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2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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08051U9R1BAT2A Product Details:

The AVX (KYOCERA AVX) 08051U9R1BAT2A is a high-precision ceramic capacitor specifically engineered for demanding electronic applications in radio frequency, microwave, and high-frequency environments. This surface-mount multilayer ceramic capacitor (MLCC) offers exceptional performance characteristics that make it ideal for sophisticated electronic design requirements.

Designed with ultra-low equivalent series resistance (ESR), the capacitor delivers superior signal integrity and minimal energy loss across critical electronic circuits. Its compact 0805 (2012 Metric) package measures 0.079" x 0.049" with a maximum thickness of 0.045", enabling efficient space utilization in dense electronic designs.

The capacitor features a remarkable temperature coefficient of C0G/NP0, ensuring consistent capacitance performance across a wide operational temperature range from -55°C to 125°C. With a precise capacitance of 9.1 pF and an impressive tolerance of ±0.1 pF, this component provides exceptional electrical stability and reliability.

Rated for 100V operations, the capacitor is particularly suited for RF, microwave, and high-frequency circuit applications where signal precision and minimal interference are critical. Its advanced ceramic construction and surface-mount design facilitate easy integration into sophisticated electronic systems.

The component is RoHS compliant, reflecting modern environmental manufacturing standards. Packaged in a convenient tape and reel format, it supports streamlined manufacturing processes and precise component handling.

Equivalent models in this category might include similar high-frequency ceramic capacitors from manufacturers like Murata, TDK, and Samsung Electro-Mechanics, which offer comparable specifications in the 0805 form factor with similar NP0/C0G temperature characteristics.

Primary advantages include exceptional signal performance, compact design, wide temperature tolerance, and high reliability across demanding electronic engineering applications.

08051U9R1BAT2A Key Technical Attributes

Capacitance 9.1 pF

Rated Voltage 100 V

Tolerance ±0.1 pF

Temperature Coefficient C0G, NP0

Ultra Low ESR

08051U9R1BAT2A Packing Size

Package Type Tape & Reel (TR)

Encapsulation 8140

Package / Case 0805 (2012 Metric)

Size / Dimension 0.079" L x 0.049" W (2.01mm x 1.25mm)

Maximum Thickness 0.045" (1.15mm)

Mounting Type Surface Mount, MLCC

08051U9R1BAT2A Application

Ideal for RF, Microwave, and High Frequency circuits requiring ultra-stable and precision capacitors. Suitable for use in power and line cable assemblies and extension cords where reliable performance under varying environmental conditions is critical.

08051U9R1BAT2A Features

This capacitor features ultra-low equivalent series resistance (ESR), ensuring minimal signal loss and better performance at high frequencies. The C0G/NP0 temperature coefficient guarantees extremely stable capacitance over a wide temperature range from -55°C to 125°C. The device provides tight tolerance of ±0.1 pF, making it highly suitable for precision filtering and tuning applications in RF and microwave circuits. Its robust 0805 surface-mount package ensures easy PCB assembly while maintaining excellent mechanical strength. This component's ceramic dielectric material offers reliability and longevity in harsh operating environments.

08051U9R1BAT2A Quality and Safety Features

Manufactured by AVX, a trusted brand under KYOCERA AVX, this capacitor complies with RoHS standards, ensuring it meets environmental and safety regulations. The MLCC encapsulation and construction are designed for consistent performance and high reliability. The device undergoes stringent quality controls and testing to guarantee operational safety in high-frequency and power line applications.

08051U9R1BAT2A Compatibility

This capacitor is compatible with standard 0805 (2012 Metric) surface-mount assembly processes and fits seamlessly into industry-standard PCB designs. It is suitable for integration with RF amplifiers, oscillators, filters, and other high-frequency electronic components requiring low ESR and stable capacitance. Compatible with various power line cable assemblies and extension cord applications demanding precise and stable passive components.

08051U9R1BAT2A Datasheet PDF

Our website hosts the most authoritative, up-to-date datasheet for the AVX 08051U9R1BAT2A capacitor. We strongly recommend customers download this datasheet on the current page to access detailed technical specifications, handling instructions, and reliability data critical for design and application.

Quality Distributor

IC-Components is a premium distributor of AVX components, providing authentic and high-quality products. Customers are encouraged to get a quote on our website to secure competitive pricing and reliable supply. Our expert service and prompt support ensure a smooth purchasing experience for your AVX capacitor needs.

Frequently Asked Questions

Can the 08051U9R1BAT2A capacitor be used as a drop-in replacement for a 10 pF ±0.25 pF C0G/NP0 0805 capacitor in a 5G RF front-end matching network?
The 08051U9R1BAT2A has a nominal capacitance of 9.1 pF with a tight ±0.1 pF tolerance, making it unsuitable as a direct drop-in replacement for a 10 pF ±0.25 pF part without retuning the matching network. While both are C0G/NP0 dielectrics with similar stability, the 0.9 pF difference exceeds typical impedance-matching tolerances in 5G mmWave or sub-6 GHz circuits. Re-simulation or bench tuning is required to avoid VSWR degradation or insertion loss increase.
What are the key risks of substituting the 08051U9R1BAT2A with a generic 9.1 pF X7R 0805 capacitor in a high-stability oscillator circuit?
Substituting the 08051U9R1BAT2A (C0G/NP0) with an X7R capacitor introduces significant risks due to X7R’s nonlinear capacitance vs. voltage and temperature characteristics. In precision oscillators, this can cause frequency drift, phase noise degradation, and startup instability—especially under supply voltage fluctuations or thermal cycling. The 08051U9R1BAT2A’s ultra-low ESR and near-zero temperature coefficient make it essential for stable timing; X7R is not recommended.
How does the 08051U9R1BAT2A perform under high-frequency (>1 GHz) operation compared to other U-series AVX MLCCs with similar ratings?
The 08051U9R1BAT2A, part of AVX’s U-series optimized for RF and microwave applications, exhibits superior high-frequency performance due to its ultra-low ESR and minimal parasitic inductance in the 0805 package. At frequencies above 1 GHz, it maintains stable impedance and low loss tangent, outperforming standard C0G parts not specifically designed for RF. For frequencies up to 10 GHz, it remains effective in bypass, coupling, and impedance-matching roles when PCB layout minimizes loop inductance.
Is the 08051U9R1BAT2A suitable for use in automotive under-hood applications operating at 125°C ambient?
The 08051U9R1BAT2A has an operating temperature range of -55°C to +125°C, meeting the upper limit for many automotive under-hood environments. However, sustained operation at 125°C ambient—especially with thermal cycling—requires verification of long-term reliability, including solder joint fatigue and dielectric aging. While the C0G dielectric itself is stable, the PCB assembly and conformal coating must be qualified for automotive stress profiles. AVX does not explicitly AEC-Q200 qualify this part, so it should not be used in safety-critical automotive systems without additional validation.
Can I use the 08051U9R1BAT2A in a 100V DC bias application without significant capacitance derating?
The 08051U9R1BAT2A is rated for 100V DC, but like all Class I ceramics, it may experience minor capacitance reduction under full rated voltage due to dielectric polarization effects. However, C0G/NP0 materials exhibit significantly less DC bias dependence than Class II dielectrics. At 100V, capacitance loss is typically <5%, which is acceptable for most RF and timing applications. For critical filtering or resonant circuits, measure capacitance under actual bias conditions to confirm performance.
What layout considerations are critical when placing the 08051U9R1BAT2A in a 28 GHz radar frontend to minimize parasitic effects?
At 28 GHz, the 08051U9R1BAT2A’s performance depends heavily on PCB layout. Use a low-inductance grounding strategy with multiple vias adjacent to the capacitor’s ground terminal, minimize trace length to <0.5 mm, and avoid stubs. The 0805 package’s 1.15 mm height can introduce vertical inductance; consider coplanar waveguide routing with grounded shielding. Additionally, ensure the substrate material (e.g., Rogers 4350B) has low loss tangent to complement the capacitor’s ultra-low ESR and prevent resonant peaks.
Are there equivalent parts from Murata or TDK that can replace the 08051U9R1BAT2A in a high-reliability aerospace design, and what are the trade-offs?
Murata’s GJM series (e.g., GJM21BC71H9R1BB01) and TDK’s C0G/NP0 C2012 series offer similar 9.1 pF, 100V, 0805 C0G capacitors. However, the 08051U9R1BAT2A features tighter ±0.1 pF tolerance and AVX’s proprietary electrode design for lower ESR. Murata and TDK equivalents may have slightly higher ESR or looser tolerance (±0.25 pF typical), which could affect phase noise in sensitive RF paths. For aerospace applications, verify radiation hardness and outgassing specs—AVX provides more detailed military/aerospace qualification data than standard commercial datasheets.
How does the 08051U9R1BAT2A behave under thermal cycling from -40°C to +125°C in a satellite communication module?
The 08051U9R1BAT2A, with its C0G/NP0 dielectric, exhibits exceptional capacitance stability (<±30 ppm/°C) across -55°C to +125°C, making it ideal for satellite systems subject to thermal cycling. Unlike X7R or X5R, it shows no hysteresis or aging effects. However, mechanical stress from CTE mismatch between the ceramic component and PCB (e.g., FR4 vs. ceramic substrates) can lead to solder joint cracking over thousands of cycles. Use flexible solder alloys and conformal coating to mitigate this risk in long-duration missions.
Can the 08051U9R1BAT2A be used in a crystal oscillator load capacitor role for a 26 MHz TCXO, and how should it be paired?
Yes, the 08051U9R1BAT2A is well-suited as a load capacitor in a 26 MHz TCXO due to its tight ±0.1 pF tolerance and low ESR, which help maintain frequency accuracy and reduce phase noise. For a typical 9 pF load capacitance, use two 18 pF capacitors in series (each to ground), but the 9.1 pF value may require slight adjustment via simulation or trim capacitors. Ensure both load capacitors are matched and placed symmetrically near the crystal to avoid imbalance-induced jitter.
What are the long-term reliability concerns when using the 08051U9R1BAT2A in industrial IoT sensors operating continuously at 105°C?
The 08051U9R1BAT2A is reliable at 105°C continuous operation due to the inherent stability of C0G/NP0 dielectrics, which do not suffer from aging or microcracking under normal conditions. However, long-term exposure to high temperature accelerates silver migration in the termination if humidity is present. In industrial environments with condensation risk, ensure proper encapsulation or use hermetic sealing. Additionally, avoid mechanical shock or board flexing near the component, as ceramic capacitors are brittle and prone to fracture under cyclic stress.

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