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Home Products Integrated Circuits (ICs)Specialized ICs~~GRM40X7R102K50C500~~

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GRM40X7R102K50C500 - Murata Power Solutions

Name: Murata Power Solutions GRM40X7R102K50C500
Brand: Murata Power Solutions
SKU: GRM40X7R102K50C500
Availability: InStock
Rating: 5 (10 reviews)

Manufacturer Part Number: GRM40X7R102K50C500

Manufacturer: Murata Power Solutions

Allelco Part Number: 32D-GRM40X7R102K50C500

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 13,910 pcs available, New & Original

Parts Description: DAC91001

Data sheet: -

Category: Integrated Circuits (ICs) > Specialized ICs

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In stock: 13910

Specifications

GRM40X7R102K50C500 Tech Specifications
Murata Power Solutions - GRM40X7R102K50C500 technical specifications, attributes, parameters and parts with similar specifications to Murata Power Solutions - GRM40X7R102K50C500

Product Attribute	Attribute Value
Part Number	GRM40X7R102K50C500
Package	DAC91001
Description	DAC91001
Stock Condition	Get 13910 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	Murata Power Solutions
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Frequently Asked Questions(FAQ)

How does the GRM40X7R102K50C500 handle voltage derating at elevated operating temperatures, and what impact does this have on capacitance stability in high-reliability applications?: The GRM40X7R102K50C500 utilizes a 7R dielectric class that exhibits predictable capacitance variation with temperature and voltage. At 85°C, the rated voltage of 50V must be derated by approximately 30–40% for long-term reliability, meaning the effective DC bias capability drops to around 30V under continuous operation. This results in a measurable reduction in actual capacitance—typically 15–25% lower than the nominal 1000pF value—due to internal electric field effects within the ceramic structure. For precision timing or filtering circuits, this bias-induced loss can lead to frequency drift or filter corner shifts, necessitating margining during component selection.

In what scenarios would the GRM40X7R102K50C500 be preferred over alternative MLCCs with higher capacitance density, such as X7R-based parts in smaller form factors like 0402?: While 0402-sized capacitors offer higher capacitance per unit volume, the GRM40X7R102K50C500—in its SMD SOT23-6 package—is advantageous when board space constraints allow slightly larger footprints but require enhanced thermal robustness and lower ESL. Its 0805 footprint provides better solder joint integrity under thermal cycling compared to 0402, reducing risk of opens in harsh environments. Additionally, the higher breakdown voltage (50V rating vs. typical 25–35V for similar-density 0402 X7R caps) makes it suitable for intermediate-voltage decoupling in analog front ends where surge tolerance is critical.

What are the implications of using the GRM40X7R102K50C500 in a switching power supply output filter stage operating near 1MHz?: At 1MHz, the GRM40X7R102K50C500’s self-resonant frequency (SRF), typically around 2–3MHz based on Murata’s empirical models for this size and material, places it in the inductive region above SRF. This means its impedance rises due to parasitic inductance, reducing effectiveness in high-frequency noise suppression. However, its low ESR (<0.1Ω estimated from equivalent circuit modeling) still contributes to damping oscillations. For optimal performance, pairing it with a smaller ceramic capacitor in parallel may extend effective filtering bandwidth beyond what either part achieves alone.

How should PCB layout practices influence the decision to deploy the GRM40X7R102K50C500 versus discrete alternatives in mixed-signal systems?: The GRM40X7R102K50C500 benefits significantly from short, wide traces and minimized via usage due to its relatively high ESL (~1.5nH estimated). Poor placement can elevate effective loop inductance by 2–3x, negating high-frequency advantages. In contrast, through-hole or larger surface-mount alternatives might exhibit lower ESL but consume more area. Thus, the GRM40X7R102K50C500 demands careful attention to return path design but remains preferable when space permits optimized routing, especially in noise-sensitive ADC reference circuits.

Can the GRM40X7R102K50C500 reliably operate in automotive-grade temperature ranges without additional derating beyond standard specifications?: Murata’s general-purpose GRM series, including the GRM40X7R102K50C500, is not qualified to AEC-Q200 unless explicitly stated. Operating across -40°C to +125°C introduces additional stressors: capacitance can vary by ±15% across temperature due to X7R characteristics, and microcracking risks increase during repeated thermal excursions. For automotive use, supplemental mechanical reinforcement or selection of certified components with extended temperature testing is recommended, even if nominal performance appears acceptable at first glance.

What trade-offs exist between using multiple smaller capacitors versus a single GRM40X7R102K50C500 for bulk capacitance in a 12V digital logic rail?: Using several smaller capacitors in parallel increases total effective capacitance and reduces overall ESL due to distributed current paths, improving transient response. However, the GRM40X7R102K50C500 offers a compact solution with 1000pF at 50V, sufficient for moderate ripple requirements. The trade-off lies in cost, board real estate, and assembly complexity versus performance headroom. For most MCU or FPGA power rails below 500mA load transients, the GRM40X7R102K50C500 alone suffices if placed close to the IC.

How does DC bias affect the usable capacitance margin when selecting the GRM40X7R102K50C500 for a 24V system with occasional transients?: Under a steady 24V bias—well below its 50V rating—the GRM40X7R102K50C500 may retain 70–80% of its 1000pF nominal value, depending on exact bias level and temperature. However, transient voltages exceeding 35V could push the instantaneous field toward the dielectric limit, accelerating aging or causing parametric shift. Designers should assume a conservative capacitance floor of 700pF in worst-case continuous bias conditions, requiring either oversizing or active voltage clamping to maintain functional margins.

Is the GRM40X7R102K50C500 suitable for use in resonant converter topologies such as LLC half-bridge designs?: No, due to the nonlinear capacitance variation inherent in X7R dielectrics under DC bias, the GRM40X7R102K50C500 introduces undesirable tuning instability in resonant converters. Capacitance changes with load current cause frequency drift, leading to reduced efficiency or control loop oscillation. For such applications, C0G/NP0 or stable Y5V/X7R variants with tighter capacitance tolerance and flatter bias curves should replace it, despite potential size or cost penalties.

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Customer Reviews

Evaluation: 10 Articles

Circ***FixerTom

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.
Embe***dMotion

Aug 5, 2026

Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.
FPGA***dio

Jul 30, 2026

This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.
Nord***mbedded

Jul 20, 2026

Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

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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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