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HomeProductsCapacitorsCeramic Capacitors2225J0160391GCR
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2225J0160391GCR - Knowles Syfer

Manufacturer Part Number
2225J0160391GCR
Manufacturer
Knowles Syfer
Allelco Part Number
98D-2225J0160391GCR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
367,004 pcs available, New & Original
Parts Description
CAP CER 390PF 16V C0G/NP0 2225
Package
2225 (5763 Metric)
Data sheet
2225J0160391GCR.pdf

Environmental Information

Environmental Status Syfer.pdf
RoHs Status
ROHS3 Compliant
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In stock: 367004

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Specifications

2225J0160391GCR Tech Specifications
Knowles Syfer - 2225J0160391GCR technical specifications, attributes, parameters and parts with similar specifications to Knowles Syfer - 2225J0160391GCR

Product Attribute Attribute Value
Manufacturer Knowles Syfer
Voltage - Rated 16V
Tolerance ±2%
Thickness (Max) 0.098" (2.50mm)
Temperature Coefficient C0G, NP0 (1B)
Size / Dimension 0.224" L x 0.248" W (5.70mm x 6.30mm)
Series -
Ratings -
Package / Case 2225 (5763 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 -
Failure Rate -
Capacitance 390 pF
Base Product Number 2225J
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 are the key differences between the 2225J0160391GCR and standard X7R ceramic capacitors for high-frequency filtering applications?
The 2225J0160391GCR employs C0G/NP0 dielectric, which provides substantially lower temperature coefficient (±30 ppm/°C maximum) compared to X7R dielectrics (±15% across -55°C to 125°C). This makes the 2225J0160391GCR better suited for precision coupling, tuning circuits, and applications where capacitance stability across the operating temperature range is critical. While the 2225J0160391GCR's 390 pF value and ±2% tolerance are moderate, the predictable capacitance drift under thermal stress—typically less than 1% change from -55°C to 125°C—makes it preferable for analog signal conditioning where X7R devices would introduce unacceptable frequency shifting.
Can the 2225J0160391GCR handle RF and microwave circuit demands, or is it limited to general DC coupling?
The 2225J0160391GCR's C0G dielectric and low-loss characteristics make it suitable for RF/microwave applications, though the 390 pF capacitance restricts resonant frequency tuning to higher bands (UHF and above when combined with typical inductance values). The 2225J0160391GCR's low dissipation factor and absence of dielectric absorption render it compatible with Q-factor-sensitive matching networks and impedance transformation circuits. However, the 16V rating limits the 2225J0160391GCR to low-power RF environments; higher-power designs requiring voltage headroom would necessitate alternative selections. The device's 2225 package (5.70mm × 6.30mm footprint) introduces parasitic inductance (~0.3–0.5 nH) that becomes relevant above 500 MHz.
Why does the 2225J0160391GCR specify C0G/NP0 dielectric when many competitors offer lower-cost alternatives in this capacitance range?
C0G/NP0 dielectrics inherently cost more due to material complexity and manufacturing precision required to maintain the ±30 ppm/°C stability. The 2225J0160391GCR's certification as C0G/NP0 ensures reproducible behavior across production lots and environmental extremes, reducing design margin uncertainty. Applications like precision oscillators, phase-locked loops, and analog-to-digital converter biasing networks demand this stability; the 2225J0160391GCR's tight tolerance (±2%) and temperature coefficient combine to hold total capacitance variation within approximately ±1.2% across -55°C to 125°C. Lower-cost X7R or Y5V alternatives in the same 2225 package would introduce capacitance swings exceeding ±10% under thermal cycling, making the 2225J0160391GCR economically justified when design reliability and reduced field failure rates offset the higher BOM cost.
How does the 390 pF capacitance value of the 2225J0160391GCR compare to typical decoupling and filtering topologies?
The 390 pF value positions the 2225J0160391GCR in the high-frequency noise filtering region rather than bulk energy storage. For IC power supply decoupling, the 2225J0160391GCR would address noise above approximately 40–50 MHz when placed close to device pins; lower-value or parallel-mounted devices would be required for higher-frequency transients. In LC filter designs, the 2225J0160391GCR resonates with series inductance (typical PCB trace inductance ~0.1–0.2 nH) to create a resonant peak near 1–2 GHz, making it suitable for UHF band filtering. The 2225J0160391GCR's modest capacitance means it is rarely used alone; instead, it typically cascades with larger bulk capacitors (0.1 µF, 1 µF ranges) in a multi-layer decoupling strategy. Coupling applications using the 2225J0160391GCR would target audio and low-frequency RF circuits; AC coupling with 390 pF establishes cutoff frequencies in the 100 kHz to low-MHz range depending on source and load impedance.
What is the practical impact of the 2225J0160391GCR's 16V rated voltage on modern mixed-signal designs?
The 16V rating of the 2225J0160391GCR accommodates low-voltage and moderate-voltage analog supplies (3.3V, 5V, ±12V rails) with adequate safety margin, but does not serve high-voltage applications (48V, 100V+) directly. For single supply designs operating at 12V or lower, the 2225J0160391GCR provides 33% voltage derating (16V rating versus 12V applied), which is acceptable but not excessive. The 2225J0160391GCR's voltage rating does not significantly affect capacitance stability in normal service; C0G dielectrics exhibit negligible voltage coefficient. However, in analog circuits biased near the 16V limit (e.g., precision instrumentation amplifier supplies), the reduced margin increases the risk of dielectric failure if supply transients occur. Designs incorporating the 2225J0160391GCR in high-reliability applications typically assume 50% voltage derating as best practice, effectively limiting safe operation to approximately 8V, which may necessitate higher-voltage alternatives for less-constrained PCB real estate.
How does moisture sensitivity level 1 (MSL 1) on the 2225J0160391GCR affect manufacturing and storage procedures?
MSL 1 rating for the 2225J0160391GCR means unlimited floor life at room temperature and normal humidity (up to 85% RH); no bake-out cycles are required before soldering, and standard warehouse storage in sealed packaging is sufficient. This contrasts sharply with MSL 2–4 components, which require bake-out if exposed to humid conditions. The 2225J0160391GCR's MSL 1 status reduces manufacturing process risk, particularly in high-volume contract manufacturing facilities where environmental controls may be less stringent. From a practical standpoint, the 2225J0160391GCR can be stored opened on the workbench for extended periods without concern for moisture absorption that would trigger reflow-induced popcorning. This convenience does not affect electrical performance but significantly reduces supply chain and rework costs, especially for prototype and low-volume production runs where bake-out equipment and procedures might not be economically justified.
Is the 2225J0160391GCR suitable for Class II solder reflow profiles, or does C0G/NP0 dielectric require special thermal handling?
C0G/NP0 dielectrics, including those in the 2225J0160391GCR, tolerate standard IPC Class II and Class III reflow profiles (peak temperature 245–260°C for 10–30 seconds) without dielectric degradation. The 2225J0160391GCR's thermal stability is actually superior during reflow compared to X7R devices because the C0G/NP0 composition exhibits minimal hysteresis or permanent capacitance shift after thermal cycling. However, the 2225J0160391GCR's small package footprint (5.70mm × 6.30mm) and planar geometry create localized thermal gradients during ramp-up and cool-down phases; uneven heating can induce mechanical stress if solder joints experience differential expansion. In practice, the 2225J0160391GCR performs reliably on standard wave or reflow equipment without modified profiles. Reliability concerns center on solder joint integrity rather than the capacitor itself; the 2225J0160391GCR's C0G/NP0 material is inherently robust across typical manufacturing temperature ranges. Lead-free solder systems (SAC305, etc.) are fully compatible with the 2225J0160391GCR.
What PCB layout and thermal management practices are recommended when integrating the 2225J0160391GCR into precision analog circuits?
The 2225J0160391GCR's C0G/NP0 stability benefit is maximized by minimizing thermal gradients across the device. Placement directly adjacent to heat-generating components (switching regulators, FETs, high-current traces) should be avoided; instead, position the 2225J0160391GCR in thermally stable zones near analog front-end circuits. For precision applications like precision oscillators or PLL tuning networks, keep the 2225J0160391GCR and associated reference components on a dedicated thermal plane or thermally isolated PCB region. Trace routing to the 2225J0160391GCR should minimize loop area and use short, direct paths to reduce parasitic inductance; for RF applications, coplanar waveguide or microstrip topologies are preferable. Thermal vias beneath the 2225J0160391GCR are not necessary (unlike power devices), but ensure the device is not thermally isolated by lack of copper; moderate thermal coupling to the overall board helps stabilize temperature. Operating the 2225J0160391GCR within the -55°C to 125°C range does not require active cooling or heatsinking; passive thermal management through proper layout is sufficient to achieve the rated C0G/NP0 performance.
How does the ±2% tolerance of the 2225J0160391GCR influence filter cutoff frequency accuracy and tuning range calculations?
The ±2% tolerance on the 2225J0160391GCR capacitance value means the actual part will range from 382 pF to 398 pF across the production population. For a fixed-frequency application (e.g., LC coupling network with fixed inductance), this ±2% spread translates directly to approximately ±1% cutoff frequency error assuming inductance is tightly controlled. In tuning or resonant circuits pairing the 2225J0160391GCR with a variable inductor or parallel trimmer capacitor, the ±2% tolerance sets the lower bound of achievable tuning resolution; attempting to tune finer than ±2% would be masked by component tolerance. Circuit designs using the 2225J0160391GCR should budget for ±2% capacitance variation when calculating time constants (RC filters), tank circuit resonance, or impedance matching networks. For precision applications, two practical approaches emerge: measure and select parts from the same production lot to minimize distribution, or introduce a small trimmer capacitor in parallel with the 2225J0160391GCR to compensate for tolerance and environmental drift, accepting the added cost and board space.
What are the effective performance boundaries for the 2225J0160391GCR in high-frequency impedance matching networks?
The 2225J0160391GCR exhibits low series resistance (ESR typically <50 mΩ in the UHF band) and low dissipation factor (tan δ <0.1% at 1 MHz), making it suitable for matching networks up to approximately 2–3 GHz, where parasitic inductance becomes the limiting factor. The 2225 package geometry introduces approximately 0.3–0.5 nH series inductance, establishing a self-resonant frequency (SRF) near 3–4 GHz. Above this SRF, the 2225J0160391GCR transitions from capacitive to inductive behavior, making it unsuitable for impedance matching above the SRF. In UHF matching (800 MHz–2 GHz), the 2225J0160391GCR delivers predictable capacitive impedance with minimal loss; the C0G dielectric ensures impedance remains stable across temperature excursions. For X-band and higher frequencies (above 8 GHz), smaller capacitor packages (0402, 0201) or distributed matching structures become preferable due to lower parasitics. The 2225J0160391GCR occupies a practical operating window in the 100 MHz–2 GHz range where its C0G stability, low loss, and manageable parasitic inductance provide balanced performance without sacrificing board space or cost.
How does the 2225J0160391GCR compare to Film or Polypropylene capacitors in precision timing and oscillator circuits?
Film and polypropylene capacitors offer superior temperature coefficient stability (±50–100 ppm/°C) and lower dielectric absorption compared to the 2225J0160391GCR's ±30 ppm/°C C0G/NP0 rating. However, film capacitors are substantially larger (larger package footprint, greater height) and significantly more expensive for the same capacitance value. The 2225J0160391GCR trades absolute temperature stability for integration density and cost-effectiveness; the C0G/NP0 performance is adequate for most precision timing circuits operating within moderate temperature ranges. In crystal oscillator load networks or VCO tuning circuits, the 2225J0160391GCR introduces approximately ±0.5–1.5 ppm/°C frequency drift across -55°C to 125°C, whereas film capacitors might achieve ±0.2–0.5 ppm/°C. For consumer-grade timing (within ±5 ppm over temperature), the 2225J0160391GCR is fully acceptable; for aerospace or military-grade stability (sub-ppm requirements), film capacitors or external trim capacitors become necessary. The compact 2225 package of the 2225J0160391GCR is valuable in space-constrained applications where film alternatives would be impractical, even if thermal performance is marginally compromised.
What are the long-term aging and dielectric absorption characteristics of the 2225J0160391GCR, and how do they affect precision measurement circuits?
The 2225J0160391GCR's C0G/NP0 dielectric exhibits negligible aging under normal operating conditions; capacitance typically changes less than ±0.5% over the first 10 years at 85°C. This contrasts with X7R devices, which may shift ±3–5% over the same period. Dielectric absorption in C0G/NP0 is minimal (typically <0.1% after 5 minutes relaxation), meaning the 2225J0160391GCR releases stored charge rapidly after disconnection, an important characteristic in precision sample-hold circuits and switched-capacitor filters. For integrating analog-to-digital converters or precision charge amplifiers, the 2225J0160391GCR's low absorption minimizes charge injection errors and improves measurement repeatability. The 2225J0160391GCR's stability under bias (constant voltage stress) is excellent; decades-old units in field applications rarely exhibit capacitance drift exceeding ±1%. In contrast, lower-cost ceramic alternatives show measurable aging curves that must be compensated through circuit calibration. Long-term reliability data confirms the 2225J0160391GCR is suitable for precision instrumentation expected to operate unchanged for 5–10+ years without recalibration.
What thermal and electrical stress mechanisms could cause premature failure of the 2225J0160391GCR in field applications?
Primary failure mechanisms for the 2225J0160391GCR include dielectric puncture (if voltage exceeds 16V rating due to supply transients), mechanical crack propagation (from PCB flexure or thermal cycling between extreme temperatures), and silver-migration leakage (if moisture and electric field combine in contaminated environments). The 2225J0160391GCR's MSL 1 rating and RoHS3 compliance minimize moisture-related degradation in normal storage. In field conditions, solder joint stress from thermal cycling (e.g., -40°C to 85°C repeatedly) is more likely to cause failure than the capacitor dielectric itself. The 2225J0160391GCR's low capacitance (390 pF) means leakage current remains below 1 µA across the rated temperature and voltage range; gradual leakage increase signals imminent failure. Operating significantly below the 16V rating (e.g., at 8V) and avoiding thermal extremes beyond the -55°C to 125°C specification extends service life dramatically. Field failures are rare with the 2225J0160391GCR if supply transient protection (clamps, surge suppressors) is present upstream; unprotected circuits exposed to voltage spikes exceeding 25–30V should employ alternative higher-voltage capacitors instead.

Parts with Similar Specifications

The three parts on the right have similar specifications to Knowles Syfer 2225J0160391GCR

Product Attribute 2225J0160391GCT 2225J0160391FCR 2225J0160391GFR 2225J0160391KCR
Part Number 2225J0160391GCT 2225J0160391FCR 2225J0160391GFR 2225J0160391KCR
Manufacturer Knowles Syfer Knowles Syfer Knowles Syfer Knowles Syfer
Capacitance - - - -
Lead Spacing - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Lead Style - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Size / Dimension - - - -
Temperature Coefficient - - - -
Series - - - -
Tolerance - - - -
Failure Rate - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Rated - - - -
Applications - - - -
Ratings - - - -
Height - Seated (Max) - - - -
Features - - - Simultaneous Sampling
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Thickness (Max) - - - -

2225J0160391GCR Datasheet PDF

Download 2225J0160391GCR pdf datasheets and Knowles Syfer documentation for 2225J0160391GCR - Knowles Syfer.

HTML Datasheet
MLCC Capacitor Datasheet.pdf
Environmental Information
Environmental Status Syfer.pdf

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2225J0160391GCR Image

2225J0160391GCR

Knowles Syfer
98D-2225J0160391GCR

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