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HomeProductsCapacitorsCeramic Capacitors1825GA122MAT1A
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1825GA122MAT1A - KYOCERA AVX

Manufacturer Part Number
1825GA122MAT1A
Manufacturer
AVX (KYOCERA AVX)
Allelco Part Number
32D-1825GA122MAT1A
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
38,861 pcs available, New & Original
Parts Description
CAP CER SMD
Package
1825 (4564 Metric)
Data sheet
-
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 38861
  • Unit Price: $0.903
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.903 $0.90
200+ $0.36 $72.00
500+ $0.349 $174.50
1000+ $0.343 $343.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

1825GA122MAT1A Tech Specifications
KYOCERA AVX - 1825GA122MAT1A technical specifications, attributes, parameters and parts with similar specifications to KYOCERA AVX - 1825GA122MAT1A

Product Attribute Attribute Value
Manufacturer AVX (KYOCERA AVX)
Voltage - Rated 2000V (2kV)
Tolerance ±20%
Thickness (Max) 0.087" (2.20mm)
Temperature Coefficient C0G, NP0
Size / Dimension 0.181" L x 0.248" W (4.60mm x 6.30mm)
Series -
Ratings -
Package / Case 1825 (4564 Metric)
Package Tape & Reel (TR)
Product Attribute Attribute Value
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount, MLCC
Lead Style -
Lead Spacing -
Height - Seated (Max) -
Features High Voltage
Failure Rate -
Capacitance 1200 pF
Applications General Purpose

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 1825GA122MAT1A suitable for high-voltage applications compared to standard multilayer ceramic capacitors?
The 1825GA122MAT1A is rated for 2000V operation, which positions it in the high-voltage ceramic category rather than commodity low-voltage MLCCs. This 2kV rating enables direct use in power conversion circuits, plasma generation systems, and medical imaging equipment where voltage stress would cause failure in conventional 50V or 100V capacitors. The C0G/NP0 dielectric ensures capacitance stability across the rated voltage range, preventing the capacitance degradation under bias that occurs with standard X7R dielectrics. For applications like high-voltage pulse circuits or energy storage in compact form factors, the 1825GA122MAT1A eliminates the need for multiple capacitors in series or oversized ceramic packages.
How does the ±20% tolerance of the 1825GA122MAT1A affect circuit tuning and filtering accuracy?
The ±20% tolerance on the 1825GA122MAT1A means the actual capacitance can range from 960 pF to 1440 pF, creating a ±10% spread around the nominal 1200 pF value. For precision frequency-dependent applications such as class-D amplifier gate drive networks or resonant tank circuits, this tolerance requires either initial trim calibration or component binning during manufacturing. However, for filtering and decoupling roles in high-voltage supplies, the ±20% tolerance is acceptable because the filtering cutoff frequency shift remains within typical design margins. If tighter tolerance is necessary, designers must evaluate C0G/NP0 capacitors from the same manufacturer in tighter tolerance grades (typically ±5% or ±10%), which may require different part numbers or larger package sizes.
Is the 1825GA122MAT1A suitable for automotive or aerospace applications requiring enhanced reliability?
The 1825GA122MAT1A carries MSL 1 (Unlimited) moisture sensitivity rating and RoHS3 compliance, indicating suitability for standard industrial and commercial environments. However, automotive (AEC-Q200) and aerospace (MIL-SPEC or COTS-equivalent) applications typically mandate documented failure rate data, extended temperature cycling validation, and component traceability that are not typically published for general-purpose KYOCERA AVX high-voltage ceramic capacitors. The operating range of -55°C to 125°C covers automotive underhood requirements, but qualification for specific automotive platforms requires direct consultation with KYOCERA AVX applications engineering. For aerospace, the 1825GA122MAT1A would likely require COTS acceptance or formal qualification testing before integration into flight-critical systems.
Why would a designer choose the 1825GA122MAT1A over film or electrolytic capacitors in high-voltage energy storage applications?
The 1825GA122MAT1A offers three advantages over film and electrolytic alternatives: First, the surface-mount 1825 form factor (4.60mm × 6.30mm × 2.20mm) enables compact board integration without the radial leads and mounting footprint of through-hole film capacitors rated for 2kV. Second, the C0G/NP0 dielectric eliminates the DC bias voltage derating curve that affects film capacitors above 1500V, meaning the 1825GA122MAT1A maintains its stated 1200 pF capacitance under full 2kV stress. Third, electrolytic capacitors cannot operate in the -55°C environment at full voltage, while the 1825GA122MAT1A maintains performance across its entire -55°C to 125°C range. The trade-off is lower capacitance density per unit volume compared to film capacitors, making the 1825GA122MAT1A most cost-effective for modest capacitance values (≤2.2 nF) requiring high voltage in compact packages.
What is the effective impedance profile of the 1825GA122MAT1A across the typical switching frequency range in power electronics?
The 1825GA122MAT1A, as a multilayer ceramic capacitor, exhibits rising impedance above its self-resonant frequency (SRF), which typically occurs in the 50–200 MHz range for the 1825 package size. Below SRF, impedance is capacitive (Z ≈ 1/(2πfC)); at SRF, impedance reaches a minimum determined by the equivalent series resistance (ESR); above SRF, impedance becomes inductive. For gate drive decoupling at switching frequencies below 10 MHz, the 1825GA122MAT1A behaves as a pure capacitor with impedance on the order of 1–10 ohms. At frequencies approaching 100 MHz, inductive reactance dominates and impedance begins increasing, reducing the effectiveness of the 1825GA122MAT1A for high-frequency bypass. Designers should verify ESR and ESL values in the detailed datasheet or request equivalent circuit parameters from KYOCERA AVX to confirm adequate performance for specific switching topologies.
How does the 1825GA122MAT1A perform in circuits with repetitive high-voltage transients or voltage spikes?
The 1825GA122MAT1A is rated for continuous 2000V DC operation, but transient voltage withstand capability depends on peak voltage magnitude, duration, and repetition rate—parameters not explicitly covered in the basic datasheet. Multilayer ceramic capacitors experience accelerated degradation under repetitive voltage spikes exceeding the rated voltage due to localized electric field concentration at defect sites within the dielectric. For applications with recurring spikes (such as inductive load switching), the 1825GA122MAT1A should be operated with a safety margin: if maximum transient voltage is 2.2 kV, the 2 kV rating provides insufficient margin. In such cases, select a higher-voltage part (3 kV or 5 kV rated) or use the 1825GA122MAT1A in parallel with a transient voltage suppressor (TVS) diode to clamp peak voltage. Testing under the specific transient profile is recommended before design release.
Can the 1825GA122MAT1A be used as a direct replacement for older film or paper capacitors rated at 2000V in legacy equipment redesigns?
The 1825GA122MAT1A can serve as a form-factor and electrical replacement for through-hole 2kV film capacitors in terms of voltage rating and capacitance value, but several compatibility considerations must be verified. Legacy film capacitors typically have higher ESR (10–50 mΩ) and lower self-resonant frequency than the 1825GA122MAT1A, meaning transient response and high-frequency filtering behavior will differ. If the legacy circuit relied on film capacitor ESR for damping or current limiting, the lower ESR of the 1825GA122MAT1A may introduce circuit instability or require added series resistance. Thermal characteristics also differ: film capacitors dissipate more heat internally, while ceramic capacitors like the 1825GA122MAT1A concentrate dissipation in a smaller volume. For reliable retrofits, verify that the PCB thermal profile and circuit protection (fuses, current limiters) remain adequate with the 1825GA122MAT1A's different electrical behavior.
What are the typical lead times and sourcing constraints for the 1825GA122MAT1A in current supply chain conditions?
The 1825GA122MAT1A is a standard KYOCERA AVX product in high-volume distribution channels, typically available in tape-and-reel packaging for automated assembly. Lead times and availability fluctuate based on semiconductor market conditions; during periods of high demand for power conversion and industrial electronics, high-voltage ceramic capacitors can experience extended lead times (8–16 weeks) even for established part numbers. Before finalizing designs, check distributor inventory (stock levels on Digi-Key, Mouser, or ScanSource) and confirm KYOCERA AVX production status. Establishing a qualified alternative from a different manufacturer (such as Vishay, Samsung, or Murata) with similar electrical specifications (1200 pF, ±20%, 2 kV, C0G, 1825 package) can mitigate single-source supply risk. The ECCN classification (EAR99) indicates no export control restrictions, simplifying global sourcing.
How should the 1825GA122MAT1A be soldered and handled to prevent damage during board assembly?
The 1825GA122MAT1A is supplied in tape-and-reel format with MSL 1 rating, meaning unlimited shelf life under standard ambient conditions without baking requirements. However, KYOCERA AVX MLCCs are sensitive to thermal shock during reflow soldering; rapid heating above 260°C followed by rapid cooling can cause internal stress and microcracking. Reflow profiles should follow standard IPC-A-610 guidelines: ramp rate ≤3°C/second, peak temperature 245–260°C, time above 220°C ≤90 seconds. Avoid hand soldering with soldering irons >350°C, as localized heating can exceed the ceramic dielectric's thermal stress limit. During board storage after assembly, the 1825GA122MAT1A can withstand standard environmental conditions (-40°C to 85°C) without additional protection. If potting or conformal coating is required, ensure the coating material does not introduce mechanical stress that could crack the ceramic body.
What measurement technique should be used to verify the 1825GA122MAT1A capacitance in a finished assembly, and what are expected measurement uncertainties?
The 1825GA122MAT1A capacitance can be verified using an LCR meter at the reference frequency specified in the KYOCERA AVX datasheet (typically 1 kHz). At 1 kHz and 1V AC test signal, the measured capacitance should fall within ±20% of the 1200 pF nominal value (960–1440 pF range). Measurement uncertainty depends on the LCR meter's calibration and frequency stability: laboratory-grade meters achieve ±1–2% accuracy, while portable meters may exhibit ±3–5% error. Avoid measuring at voltages exceeding 5V AC on the 1825GA122MAT1A, as the test signal will cause compression of the capacitance due to voltage-dependent permittivity. If high-voltage operation is suspected to have degraded the capacitor, measure at reduced voltage (1V AC) first, then carefully measure at the operational bias voltage (up to 2 kV via specialized high-voltage LCR probes) to detect permanent capacitance shifts. Any measured capacitance outside the ±20% tolerance or a shift >10% compared to baseline indicates potential failure or derating.
Does the 1825GA122MAT1A maintain its rated capacitance across the full temperature operating range?
The 1825GA122MAT1A is specified with C0G/NP0 dielectric classification, which guarantees <±0.3% capacitance change per °C across the -55°C to 125°C operating range per IEC 60384-21 standards. This means the maximum total capacitance drift from -55°C to 125°C is approximately ±4.8%, well within the ±20% manufacturing tolerance. Unlike X7R dielectrics (which exhibit nonlinear capacitance changes and can shift 15% across the temperature range), the 1825GA122MAT1A provides predictable, linear behavior suitable for temperature-compensated circuits. However, the actual temperature coefficient is typically ±30 ppm/°C for C0G capacitors, meaning measurable but small shifts occur. For applications where capacitance stability is critical (such as frequency-determining networks in oscillators), the predictability of the 1825GA122MAT1A's C0G dielectric enables circuit designers to implement analog trimming or active compensation to cancel temperature drift.
How do voltage derating curves affect the usable capacitance of the 1825GA122MAT1A in practical circuit designs?
C0G/NP0 ceramic capacitors like the 1825GA122MAT1A exhibit minimal voltage derating compared to other dielectric classes; capacitance remains within ±2–3% of the rated value when operated at full 2000V. This low derating is a primary advantage of C0G over X7R or Y5V dielectrics, which can lose 10–30% of capacitance under rated voltage bias. For the 1825GA122MAT1A, this means the 1200 pF nominal specification is reliably available at 2 kV operation without requiring derating calculations or capacitance margin adjustments. However, derating does occur above rated voltage: if 2.5 kV transients appear across the 1825GA122MAT1A, capacitance compression increases nonlinearly, and permanent degradation begins. Therefore, circuit designs should include voltage limiting (clamping diodes, transient suppressors) to ensure the 1825GA122MAT1A remains below its 2000V maximum rating, preserving both capacitance accuracy and long-term reliability.
What cost trade-offs should be evaluated when comparing the 1825GA122MAT1A to higher-voltage alternatives (3 kV, 5 kV) for marginal over-voltage applications?
The 1825GA122MAT1A (2 kV rated) typically costs 15–40% less per unit than equivalent 3 kV or 5 kV ceramic capacitors from the same manufacturer due to lower dielectric stress and simpler manufacturing. If a circuit design experiences occasional transients reaching 2.2–2.5 kV, the choice between accepting the 1825GA122MAT1A with additional margin protection (clamping circuit, snubber network) versus stepping up to a 3 kV part depends on cost of the protection circuit and reliability requirements. In high-volume production (>10,000 units/year), the incremental cost difference may be recovered through simpler bill-of-materials and reduced protection component count. For low-volume designs or one-off prototypes, the 1825GA122MAT1A with a dedicated transient suppression circuit is often more economical. Design simulation should quantify the severity and frequency of transient events; if peak voltages exceed 2.2 kV more than once per operating cycle, the 1825GA122MAT1A becomes a reliability risk, and a 3 kV part is justified regardless of cost.
Are there known compatibility issues between the 1825GA122MAT1A and common PCB potting compounds or environmental protection coatings?
The 1825GA122MAT1A is compatible with standard conformal coatings (acrylic, urethane, silicone) and potting compounds (epoxy, polyurethane) commonly used in industrial electronics. However, some specialized high-permittivity potting materials or stress-relief elastomers can introduce mechanical constraints that compress the ceramic body and cause capacitance shifts or internal fractures. Before specifying a potting material, verify that its coefficient of thermal expansion (CTE) is compatible with the KYOCERA AVX ceramic and PCB substrate; mismatched CTE during thermal cycling can generate shear stress at the component-potting interface. Acrylic and silicone coatings (CTE ≈ 50–80 ppm/°C) are generally compatible with ceramic capacitors (CTE ≈ 6–12 ppm/°C) when applied as thin conformal layers, while thick or rigid epoxy potting (CTE ≈ 20–40 ppm/°C) may cause stress. Accelerated thermal cycling testing (-40°C to 85°C, 10 cycles) with the 1825GA122MAT1A under the proposed potting material is recommended before production release to confirm no permanent capacitance shifts or visual damage occurs.

Parts with Similar Specifications

The three parts on the right have similar specifications to KYOCERA AVX 1825GA122MAT1A

Product Attribute 1825GA122MAT1A\SB 1825GA102MAT1A 1825GA122MAT2A 1825GA122KAT1A\SB
Part Number 1825GA122MAT1A\SB 1825GA102MAT1A 1825GA122MAT2A 1825GA122KAT1A\SB
Manufacturer KYOCERA AVX KYOCERA AVX KYOCERA AVX KYOCERA AVX
Mounting Type - Surface Mount Through Hole Surface Mount
Applications - - - -
Size / Dimension - - - -
Capacitance - - - -
Temperature Coefficient - - - -
Ratings - - - -
Lead Style - - - -
Failure Rate - - - -
Thickness (Max) - - - -
Features - - - Simultaneous Sampling
Voltage - Rated - - - -
Height - Seated (Max) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Series - - - -
Lead Spacing - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Tolerance - - - -

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1825GA122MAT1A Image

1825GA122MAT1A

KYOCERA AVX
32D-1825GA122MAT1A

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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