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Home Products Capacitors Ceramic Capacitors~~GC321AD72E103KX01D~~

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GC321AD72E103KX01D - Murata Electronics

Manufacturer Part Number: GC321AD72E103KX01D

Manufacturer: Murata Electronics

Allelco Part Number: 98D-GC321AD72E103KX01D

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 7,711 pcs available, New & Original

Parts Description: CAP CER 10000PF 250V X7T 0805

Package: 0805 (2012 Metric)

Data sheet: GC321AD72E103KX.pdf

Datasheets
GC321AD72E103KX01x Spec.pdf

PCN Packaging
Multiple Devices Packaging Labeling 01/Aug/2020.pdf

HTML Datasheet
GC321AD72E103KX01x Spec.pdf

Part Numbering Guide
Chip Monolithic Cap. Part Numbering.pdf

RoHs Status: ROHS3 Compliant

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Specifications

GC321AD72E103KX01D Tech Specifications
Murata Electronics - GC321AD72E103KX01D technical specifications, attributes, parameters and parts with similar specifications to Murata Electronics - GC321AD72E103KX01D

Product Attribute	Attribute Value
Manufacturer	Murata Electronics
Voltage - Rated	250V
Tolerance	±10%
Thickness (Max)	0.039" (1.00mm)
Temperature Coefficient	X7T
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)
Series	GC3
Ratings	AEC-Q200
Package / Case	0805 (2012 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	-
Capacitance	10000 pF
Base Product Number	GC321AD72E
Applications	Automotive

Environmental & Export Classifications

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

Frequently Asked Questions(FAQ)

What makes the GC321AD72E103KX01D suitable for automotive applications compared to standard ceramic capacitors?: The GC321AD72E103KX01D is rated to AEC-Q200 automotive qualification standards, which requires extensive validation for temperature cycling, humidity resistance, and long-term reliability under thermal stress. The X7T temperature coefficient ensures the GC321AD72E103KX01D maintains stable capacitance across the -55°C to 125°C operating range typical of underhood and powertrain environments, where temperature swings can exceed 100°C in a single drive cycle. Standard commercial ceramics lack this validation pathway and may exhibit capacitance drift or premature failure in these extreme conditions.

How does the X7T dielectric of the GC321AD72E103KX01D affect capacitance stability during temperature extremes?: X7T dielectric materials are engineered to minimize capacitance variation across temperature, with typical stability within ±15% from -55°C to 125°C. The GC321AD72E103KX01D uses this formulation to ensure predictable behavior in circuits where capacitance-dependent parameters—such as filter cutoff frequencies or timing constants—must remain within tolerance across thermal cycling. This is particularly critical in automotive sensor conditioning or power distribution networks where a 20% capacitance drift could shift filter response by multiple kHz or alter transient behavior.

Can the GC321AD72E103KX01D be used as a direct substitute for the GR321AD72E103KW01J?: The GC321AD72E103KX01D and GR321AD72E103KW01J share the same base electrical specification (10 nF, 250V, X7T, ±10%), but differ in packaging suffix and potentially in supplier or manufacturing lot assignment. The GC321AD72E103KX01D uses the 'KX01D' suffix while the GR321AD72E103KW01J carries 'KW01J', indicating possible differences in tape format, reel configuration, or moisture-sensitivity handling during distribution. Substitution is generally feasible for the same board design, but supply-chain verification and board-level functional testing are advisable to confirm compatibility with your specific assembly process and long-term reliability expectations.

What is the practical difference between the 0805 package size of the GC321AD72E103KX01D and larger ceramic alternatives?: The GC321AD72E103KX01D measures 2.0mm × 1.25mm with a maximum thickness of 1.0mm, making it suitable for high-density automotive PCBs where space near connectors, power stages, or sensor interfaces is constrained. Stepping up to 1206 or 1210 packages would provide lower ESR and potentially better high-frequency performance, but would consume 1.5× to 2× the board area. For 10 nF bypass and coupling applications in automotive signal conditioning or low-speed digital circuits, the 0805 form factor of the GC321AD72E103KX01D is often sufficient, but designers should verify ESR and insertion impedance requirements for power delivery or RF shielding use cases.

Why does the GC321AD72E103KX01D specify MSL-1 (unlimited moisture sensitivity)?: MSL-1 rating on the GC321AD72E103KX01D indicates the capacitor requires no special moisture-barrier handling or bake-out procedures prior to reflow soldering. This is typical of X7T ceramic formulations, which exhibit low moisture absorption compared to high-K dielectrics like Y5V or Z5U. For automotive manufacturing environments with standard humidity control and moderate lead times between component receipt and assembly, the GC321AD72E103KX01D can be used directly from tape without desiccant storage or pre-assembly conditioning, reducing manufacturing complexity and cost.

How does the ±10% tolerance of the GC321AD72E103KX01D impact circuit performance in precision filtering or timing applications?: The ±10% tolerance of the GC321AD72E103KX01D means actual capacitance can range from 9 nF to 11 nF. In RC filters or oscillator timing circuits where the GC321AD72E103KX01D sets a characteristic frequency, this ±10% spread translates directly to a ±10% frequency uncertainty (e.g., a 10 kHz cutoff could drift to 9–11 kHz). For automotive body control modules or engine management filters requiring tighter tolerance, designers may parallel multiple GC321AD72E103KX01D units to average manufacturing spread, or select tighter-tolerance alternatives. For decoupling and bypass roles, ±10% is generally inconsequential.

What thermal stress considerations apply when the GC321AD72E103KX01D operates continuously at the upper limit of its -55°C to 125°C range?: Sustained operation at 125°C accelerates electromigration and defect propagation in ceramic dielectrics, even with X7T formulation. While the GC321AD72E103KX01D is rated for this temperature, automotive practice typically derates high-temperature exposure to intermittent or transient duty (seconds to minutes of peak temperature). Continuous 125°C operation in the GC321AD72E103KX01D should be limited to non-critical bypass roles; power conditioning or filtering functions should employ thermal analysis to ensure mean operating temperature stays 10–20°C below the rated maximum. Coupled with voltage derating (operating below 250V nominal when possible), this extends the practical lifetime of the GC321AD72E103KX01D in underhood applications.

How should the GC321AD72E103KX01D be selected compared to film or tantalum alternatives for automotive coupling applications?: The GC321AD72E103KX01D ceramic offers superior temperature stability and moisture resistance over film capacitors, and is inherently safer than tantalum in short-circuit conditions (ceramic fails open; tantalum can catch fire). However, film capacitors often provide better high-frequency performance and lower ESR for sensitive RF or high-speed switching circuits. Tantalum was historically preferred for compact coupling in automotive audio, but regulatory preference has shifted toward ceramic due to supply reliability and thermal robustness. The GC321AD72E103KX01D is the default choice for automotive AC coupling and signal conditioning; film or tantalum should only be selected if the GC321AD72E103KX01D's ESR or frequency response is measured to be insufficient through board-level testing.

Does the ROHS3 compliance of the GC321AD72E103KX01D impose any manufacturing or sourcing constraints?: ROHS3 compliance on the GC321AD72E103KX01D confirms the component contains no lead, mercury, cadmium, hexavalent chromium, PBBs, or PBDEs, and meets EU regulatory requirements for automotive and consumer electronics. This is now standard for industrial-grade components and imposes no practical manufacturing constraint; all reputable automotive suppliers, including Murata, have transitioned entirely to ROHS3-compliant processes. The GC321AD72E103KX01D can be freely mixed with other ROHS3 components on automotive assemblies without additional certification or supply-chain verification.

What ESR and insertion impedance should be expected from the GC321AD72E103KX01D in power supply bypass applications?: The GC321AD72E103KX01D datasheet does not explicitly state ESR or impedance curves; typical ESR for a 10 nF 0805 ceramic at room temperature ranges from 50–200 mΩ depending on internal electrode design and lead inductance. For automotive power supply bypass (e.g., 5V or 12V rail decoupling), the GC321AD72E103KX01D alone may not meet sub-100 mΩ impedance targets required for low-noise analog circuits or fast transient response. Designers should either parallel multiple GC321AD72E103KX01D units (reducing effective ESR by √n) or pair the GC321AD72E103KX01D with a higher-capacitance bulk capacitor (e.g., 100 nF or 1 µF) positioned closer to the power pin. Empirical impedance measurement or simulation using typical ESR values is recommended before final design release.

Parts with Similar Specifications

The three parts on the right have similar specifications to Murata Electronics GC321AD72E103KX01D

Product Attribute
Part Number	GC321AD72E153KX01D	GC321AD7LP103KX18D	GC321AD7LP153KX18D	GC321AD7LP103KX18J
Manufacturer	Murata Electronics	Murata Electronics	Murata Electronics	Murata Electronics
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Size / Dimension	-	-	-	-
Series	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Lead Style	-	-	-	-
Thickness (Max)	-	-	-	-
Lead Spacing	-	-	-	-
Ratings	-	-	-	-
Applications	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Temperature Coefficient	-	-	-	-
Capacitance	-	-	-	-
Height - Seated (Max)	-	-	-	-
Features	-	-	-	Simultaneous Sampling
Tolerance	-	-	-	-
Voltage - Rated	-	-	-	-

GC321AD72E103KX01D Datasheet PDF

Download GC321AD72E103KX01D pdf datasheets and Murata Electronics documentation for GC321AD72E103KX01D - Murata Electronics.

Datasheets: GC321AD72E103KX01x Spec.pdf
PCN Packaging: Multiple Devices Packaging Labeling 01/Aug/2020.pdf
HTML Datasheet: GC321AD72E103KX01x Spec.pdf
Part Numbering Guide: Chip Monolithic Cap. Part Numbering.pdf

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Evaluation: 10 Articles

ECUb***h

Sep 22, 2026

Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.
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Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.
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Sep 8, 2026

Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.
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Sep 2, 2026

Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.
Retr***UWorks

Aug 31, 2026

Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.
Andr***PCBLab

Aug 28, 2026

I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.
Leat***O'Keefe

Aug 20, 2026

one of my hobbies is skydiving. and when i'm skydiving this works great.
Ilen***

Aug 20, 2026

This product works considerably well. It secretly improves my basketball by a lot.
Indu***ialPower

Aug 17, 2026

Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.
Nikh***ech

Aug 13, 2026

Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
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