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Home > Products > Capacitors > Ceramic Capacitors > C0805C391J5GAC7800
KEMET
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C0805C391J5GAC7800

In Stock 59580 pcs Reference Price(In US Dollars)
1+
$0.0184
200+
$0.0071
500+
$0.0069
1000+
$0.0067
Manufacturer Part Number:
C0805C391J5GAC7800
Manufacturer / Brand
KEMET
Part of Description:
CAP CER 390PF 50V C0G/NP0 0805
Datasheets:
C0805C391J5GAC7800(1).pdfC0805C391J5GAC7800(2).pdfC0805C391J5GAC7800(3).pdfC0805C391J5GAC7800(4).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 59580 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number C0805C391J5GAC7800
Manufacturer / Brand KEMET
Stock Quantity 59580 pcs Stock
Category Capacitors > Ceramic Capacitors
Description CAP CER 390PF 50V C0G/NP0 0805
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage - Rated 50V
Tolerance ±5%
Thickness (Max) 0.035" (0.88mm)
Temperature Coefficient C0G, NP0
Size / Dimension 0.079" L x 0.049" W (2.00mm x 1.25mm)
Series SMD Comm C0G
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 Low ESL
Failure Rate -
Capacitance 390 pF
Base Product Number C0805C
Applications General Purpose

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

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
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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Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

Does the C0805C391J5GAC7800 exhibit capacitance loss when operating near its 50V rated voltage in DC bias conditions?
Unlike Class II dielectrics such as X7R or X5R, the C0805C391J5GAC7800 utilizes a C0G (NP0) dielectric material which is not subject to DC bias aging or capacitance voltage coefficient (VCC) effects. This ensures that the C0805C391J5GAC7800 maintains its full 390 pF nominal capacitance even when operated at its maximum 50V rating, making it a stable choice for precision coupling and voltage-independent timing circuits.
How does the Low ESL feature of the C0805C391J5GAC7800 affect its performance in high-frequency decoupling compared to standard 0805 MLCCs?
The Low ESL (Equivalent Series Inductance) design of the C0805C391J5GAC7800 shifts the self-resonant frequency (SRF) of the capacitor higher than standard components of the same footprint. In practical integration, this allows the C0805C391J5GAC7800 to provide effective low-impedance paths for high-speed transients and reduces inductive ringing in RF signal paths, which is critical for maintaining signal integrity in 390 pF filter networks operating in the MHz range.
Can the C0805C391J5GAC7800 be used as a direct replacement for the Murata GRM2165C1H391JA01J in high-Q resonant filter designs?
While both the C0805C391J5GAC7800 and the GRM2165C1H391JA01J share identical 390 pF capacitance and C0G dielectric specifications, the internal electrode geometry and ESR (Equivalent Series Resistance) profiles may vary slightly. In high-Q resonant circuits, these subtle differences in ESR can affect the filter's insertion loss and bandwidth; therefore, while the C0805C391J5GAC7800 is a primary candidate for substitution, engineers should verify the circuit's selectivity and thermal performance during the design-in phase.
What are the primary mechanical risks when mounting the C0805C391J5GAC7800 on a PCB subject to high-vibration industrial environments?
The 0805 (2012 Metric) package of the C0805C391J5GAC7800 is more susceptible to mechanical stress and board flexure than smaller 0402 or 0603 footprints. If the C0805C391J5GAC7800 is placed near board edges, large connectors, or mounting holes, the ceramic body may experience micro-cracking during vibration or thermal cycling, potentially leading to insulation resistance failure. Utilizing proper PCB layout techniques and stress-relief cutouts is recommended when integrating this 390 pF capacitor into ruggedized equipment.
Does the temperature coefficient of the C0805C391J5GAC7800 provide enough stability for outdoor sensor applications with extreme temperature swings?
The C0805C391J5GAC7800 is rated for a temperature coefficient of 0 ±30 ppm/°C across an operating range of -55°C to 125°C. This level of stability ensures that the 390 pF capacitance of the C0805C391J5GAC7800 remains virtually constant despite fluctuating ambient conditions, preventing frequency drift in oscillation circuits or phase shifts in sensitive sensor front-ends that might occur if a less stable dielectric were used.
When considering a migration from the C0805C391J5GAC7800 to the C0805C391J5GAL7800, what are the technical trade-offs regarding termination materials?
The C0805C391J5GAC7800 typically features a standard Tin (Sn) over Nickel (Ni) termination suitable for most reflow and wave soldering processes. When evaluating the C0805C391J5GAL7800 as an alternative, engineers must confirm that the specific plating and series-specific features (such as KEMET’s "L" vs "C" series designations) align with the assembly's moisture sensitivity level (MSL) and peak reflow temperature requirements to avoid solderability issues or delamination of the 390 pF ceramic layers.
Is it advisable to utilize the C0805C391J5GAC7800 in a 48V DC power rail bypass application?
Operating the C0805C391J5GAC7800 at 48V provides a safety margin of only 4% relative to its 50V maximum rating. In power supply designs where inductive switching spikes or line transients are expected, the C0805C391J5GAC7800 may be exposed to over-voltage conditions that degrade the dielectric. To ensure long-term reliability, it is standard engineering practice to de-rate the voltage by at least 20-50% or ensure that the 390 pF capacitor is protected by robust transient voltage suppression (TVS) diodes.
How does the Dissipation Factor (DF) of the C0805C391J5GAC7800 impact power loss in high-frequency AC power conversion?
The C0805C391J5GAC7800 features an extremely low Dissipation Factor, characteristic of high-quality C0G materials. In AC power applications or high-speed switching converters, this low DF minimizes the internal heat generation within the C0805C391J5GAC7800 caused by parasitic resistance. This thermal efficiency allows the 390 pF component to maintain its dielectric integrity and prevents localized hot spots on the PCB that could otherwise occur with higher-loss ceramic alternatives.

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