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HomeProductsCapacitorsCeramic Capacitors12105U750JAT2A
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12105U750JAT2A - KYOCERA AVX

Manufacturer Part Number
12105U750JAT2A
Manufacturer
AVX (KYOCERA AVX)
Allelco Part Number
32D-12105U750JAT2A
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
313,290 pcs available, New & Original
Parts Description
CAP CER 75PF 50V C0G/NP0 1210
Package
1210 (3225 Metric)
Data sheet
12105U750JAT2A.pdf
RoHs Status
ROHS3 Compliant
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Specifications

12105U750JAT2A Tech Specifications
KYOCERA AVX - 12105U750JAT2A technical specifications, attributes, parameters and parts with similar specifications to KYOCERA AVX - 12105U750JAT2A

Product Attribute Attribute Value
Manufacturer AVX (KYOCERA AVX)
Voltage - Rated 50V
Tolerance ±5%
Thickness (Max) 0.055" (1.40mm)
Temperature Coefficient C0G, NP0
Size / Dimension 0.126" L x 0.098" W (3.20mm x 2.49mm)
Series U
Ratings -
Package / Case 1210 (3225 Metric)
Product Attribute Attribute Value
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 75 pF
Applications RF, Microwave, High Frequency

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8532.24.0020

Frequently Asked Questions(FAQ)

What makes the 12105U750JAT2A suitable for RF and microwave applications compared to standard ceramic capacitors?
The 12105U750JAT2A is specified with C0G/NP0 dielectric material and ultra-low ESR characteristics, which are critical for RF performance. C0G/NP0 dielectrics maintain stable capacitance across the -55°C to 125°C operating range with minimal temperature-induced frequency drift, unlike X7R or Y5V alternatives that exhibit significant capacitance variation. The ultra-low ESR of the 12105U750JAT2A reduces parasitic losses in high-frequency circuits, improving Q-factor and reducing insertion loss in matching networks and filter applications. At 75 pF, this value is commonly used in VHF/UHF impedance matching where predictable, stable behavior is essential.
How does the ±5% tolerance of the 12105U750JAT2A affect circuit tuning and frequency stability in resonant applications?
The ±5% tolerance of the 12105U750JAT2A represents a ±3.75 pF window around the nominal 75 pF value. In resonant LC tank circuits, this tolerance directly translates to frequency uncertainty of approximately ±2.5% (inversely proportional to the square root of capacitance changes). For applications like crystal oscillator load networks or narrowband filters operating in the UHF range (400–900 MHz), the 12105U750JAT2A tolerance may require initial tuning or the addition of parallel trim capacitors if tighter frequency control is needed. The C0G/NP0 rating of the 12105U750JAT2A ensures this tolerance holds stable across temperature extremes, preventing additional frequency drift from temperature cycling.
Why is the 50V rating of the 12105U750JAT2A relevant for low-voltage RF circuit design?
Although many RF circuits operate at single-digit supply voltages, the 50V rating of the 12105U750JAT2A provides voltage headroom for transient overshoot and RF signal peaks. In impedance matching networks and coupling applications, RF voltage swings can significantly exceed DC bias levels, especially in power amplifier circuits or high-Q resonators where voltage magnification occurs. The 50V rating of the 12105U750JAT2A ensures reliable operation without risk of dielectric breakdown during these transient events. Additionally, higher voltage-rated dielectrics typically exhibit lower dielectric losses, supporting the ultra-low ESR specification of the 12105U750JAT2A.
How does the 1210 (3225 Metric) package size of the 12105U750JAT2A compare to smaller 0603 or 0402 alternatives in RF circuit layout?
The 1210 package of the 12105U750JAT2A measures 3.20mm × 2.49mm and provides larger pad areas and lower parasitic inductance compared to smaller form factors like 0603 (1.6mm × 0.8mm) or 0402 (1.0mm × 0.5mm). In RF applications operating above 100 MHz, the 12105U750JAT2A's larger footprint reduces lead inductance effects that would otherwise degrade high-frequency performance and introduce unwanted impedance shifts. However, the 1210 footprint also consumes more board real estate, making design trade-offs necessary in space-constrained applications. The 0.055" maximum thickness of the 12105U750JAT2A is consistent with standard multilayer ceramic capacitor (MLCC) process tolerances and allows straightforward integration into standard PCB assembly workflows.
What is the practical difference between C0G and NP0 designations on the 12105U750JAT2A, and does it affect component sourcing?
C0G and NP0 are equivalent IEC and EIA designations respectively for the same low-temperature-coefficient dielectric material used in the 12105U750JAT2A. Both terms describe a dielectric with a temperature coefficient of approximately ±30 ppm/°C over the full operating range, ensuring stable capacitance behavior. The dual designation on the 12105U750JAT2A reflects industry standardization practices; component distributors and design tools may reference either designation interchangeably. From a sourcing perspective, the 12105U750JAT2A's C0G/NP0 status confirms compatibility with military and aerospace specifications that mandate low-drift dielectrics, though this does not restrict civilian or industrial applications.
Is the 12105U750JAT2A suitable for direct substitution in legacy designs originally specified with thin-film or film capacitors?
The 12105U750JAT2A is a multilayer ceramic capacitor (MLCC) and differs fundamentally from thin-film or film capacitors in several characteristics. MLCCs like the 12105U750JAT2A exhibit significantly lower inductance and higher capacitance density per unit volume, making them preferable for high-frequency applications. However, film capacitors typically offer superior linearity, lower dielectric absorption, and more gradual failure modes. In legacy designs, direct mechanical and electrical substitution of the 12105U750JAT2A for film types is often possible due to similar voltage and capacitance ratings, but performance implications should be validated—particularly in precision analog circuits where dielectric absorption or nonlinearity could affect signal integrity. The ultra-low ESR specification of the 12105U750JAT2A may require recalibration of damping or filtering networks.
What design considerations apply when using multiple 12105U750JAT2A units in parallel for higher effective capacitance?
Parallel combinations of the 12105U750JAT2A effectively add capacitance values while maintaining the C0G/NP0 temperature coefficient. However, several practical considerations arise: (1) The combined ±5% tolerance of the 12105U750JAT2A units compounds statistically; with n capacitors, worst-case tolerance approaches ±5%/√n, but design margins should account for correlation in manufacturing batches. (2) Each 12105U750JAT2A unit introduces parasitic inductance through PCB traces and vias; careful layout minimizing loop area is essential to avoid resonances in the RF band. (3) Thermal balance across multiple 12105U750JAT2A capacitors helps maintain uniform capacitance distribution, as localized heating can create small variations. For RF matching networks, the 12105U750JAT2A is typically used singly or in well-characterized combinations validated through simulation.
How do moisture sensitivity and storage conditions affect the long-term reliability of the 12105U750JAT2A?
The 12105U750JAT2A carries a Moisture Sensitivity Level (MSL) rating of 1, indicating unlimited shelf life and no moisture ingress risk under standard storage conditions (typically 23°C ± 2°C, 65% ± 5% relative humidity). This MSL 1 rating of the 12105U750JAT2A eliminates baking requirements prior to reflow soldering and simplifies supply chain handling compared to MSL 2–4 components. The ROHS3 compliant and REACH unaffected status of the 12105U750JAT2A further ensures regulatory compliance across automotive, medical, and industrial markets. However, once the 12105U750JAT2A is mounted on a populated PCB, long-term reliability depends on operating environment conditions such as thermal cycling, humidity exposure, and mechanical vibration; accelerated life testing is recommended for mission-critical applications.
Why might the 12105U750JAT2A be preferred over larger 1812 or 2220 package alternatives in compact RF designs?
The 1210 package of the 12105U750JAT2A offers a practical balance between parasitic inductance and board real estate. Larger packages like 1812 (4.57mm × 3.05mm) or 2220 (5.59mm × 5.08mm) reduce relative inductance per capacitor and are suitable for lower-frequency filtering or energy storage. However, in RF circuits operating above 500 MHz, the marginal inductance reduction of larger packages becomes negligible compared to circuit layout factors, while the 12105U750JAT2A's 1210 footprint conserves board area. The 12105U750JAT2A's 75 pF capacitance value, combined with the 1210 package, is specifically optimized for UHF impedance matching networks where compact form factor and controlled parasitic behavior are both essential.
How does the 12105U750JAT2A perform in high-voltage transient environments, such as ESD or RF power surge scenarios?
The 50V rating of the 12105U750JAT2A provides a 2.5–5× safety margin over typical RF circuit operating voltages, offering moderate protection against transient overstress. However, the 12105U750JAT2A is not rated as an ESD suppressor or transient protection device; ESD events can exceed 200–500V and would damage the 12105U750JAT2A through dielectric breakdown or delamination. In circuits vulnerable to RF power surges or ESD coupling, the 12105U750JAT2A should be protected by dedicated TVS diodes or surge-rated components placed in series or as primary suppressors. The C0G/NP0 dielectric of the 12105U750JAT2A is more robust than X7R alternatives under transient stress, but does not eliminate the need for circuit-level protection design.
What role does the 12105U750JAT2A play in output matching networks for RF power amplifiers, and what impedance transformations are typical?
In RF power amplifier output matching networks, the 12105U750JAT2A (75 pF) is often paired with series or parallel inductance to form L-networks or π-networks that transform the amplifier's output impedance to 50Ω. At a typical ISM band frequency of 2.4 GHz, the 75 pF reactance of the 12105U750JAT2A is approximately 2.2Ω, suitable for impedance matching in high-impedance (> 20Ω) amplifier stages. The ultra-low ESR and C0G/NP0 stability of the 12105U750JAT2A minimize insertion loss and frequency-dependent mismatch, maintaining efficiency across process and temperature variations. Network analysis and electromagnetic simulation are essential to validate the specific impedance transformation with the 12105U750JAT2A and surrounding components.
Are there specific soldering or thermal profile considerations unique to the 12105U750JAT2A during manufacturing?
The 12105U750JAT2A is a standard MLCC with no specialized soldering requirements beyond conventional lead-free reflow practices (peak temperature typically 245–260°C for 10–30 seconds). The MSL 1 rating of the 12105U750JAT2A eliminates moisture-induced reflow cracking risk common to higher MSL components. The 0.055" maximum thickness of the 12105U750JAT2A ensures rapid and uniform heating, reducing thermal shock risk. Post-reflow wave soldering or hand soldering is not recommended for surface-mount components like the 12105U750JAT2A; reflow soldering ensures reliable solder joint formation and minimizes mechanical stress. Thermal cycling testing (e.g., -55°C to 125°C per MIL-STD-202) is available for the 12105U750JAT2A if extended reliability data is required for aerospace or automotive applications.

Parts with Similar Specifications

The three parts on the right have similar specifications to KYOCERA AVX 12105U750JAT2A

Product Attribute 12105U750JAT9A 12105U561FAT2A 12105U680GAT2A 12105U511FAT2A
Part Number 12105U750JAT9A 12105U561FAT2A 12105U680GAT2A 12105U511FAT2A
Manufacturer KYOCERA AVX KYOCERA AVX KYOCERA AVX KYOCERA AVX
Features - - - Simultaneous Sampling
Lead Style - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Lead Spacing - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Height - Seated (Max) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Size / Dimension - - - -
Capacitance - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Tolerance - - - -
Ratings - - - -
Voltage - Rated - - - -
Series - - - -
Thickness (Max) - - - -
Temperature Coefficient - - - -
Applications - - - -

12105U750JAT2A Datasheet PDF

Download 12105U750JAT2A pdf datasheets and KYOCERA AVX documentation for 12105U750JAT2A - KYOCERA AVX.

Datasheets
Ceramic Chip Capacitor Catalog.pdf U Series, Ultra Low.pdf

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12105U750JAT2A Image

12105U750JAT2A

KYOCERA AVX
32D-12105U750JAT2A

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