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1210B473K501NT
Knowles Novacap
CAP CER 0.047UF 500V X7R 1210
2343 Pcs New Original In Stock
0.047 µF ±10% 500V Ceramic Capacitor X7R 1210 (3225 Metric)
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5.0 / 5.0
- (277 Ratings)
1210B473K501NT
Product Overview
1228475
DiGi Electronics Part Number
1210B473K501NT-DGManufacturer
Knowles Novacap
1210B473K501NT
Description
CAP CER 0.047UF 500V X7R 1210Inventory
2343 Pcs New Original In Stock
0.047 µF ±10% 500V Ceramic Capacitor X7R 1210 (3225 Metric)
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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1210B473K501NT Technical Specifications
Category
Ceramic Capacitors
Packaging
Cut Tape (CT)
Series
-
Product Status
Active
Capacitance
0.047 µF
Tolerance
±10%
Voltage - Rated
500V
Temperature Coefficient
X7R
Operating Temperature
-55°C ~ 125°C
Features
-
Ratings
-
Applications
General Purpose
Failure Rate
-
Mounting Type
Surface Mount, MLCC
Package / Case
1210 (3225 Metric)
Size / Dimension
0.125" L x 0.100" W (3.18mm x 2.54mm)
Height - Seated (Max)
-
Thickness (Max)
0.065" (1.65mm)
Lead Spacing
-
Lead Style
-
Base Product Number
1210B
Datasheet & Documents
HTML Datasheet
1210B473K501NT-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Affected
ECCN
EAR99
HTSUS
8532.24.0020
Additional Information
Other Names
1763-1114-1
1763-1114-2
1763-1114-6
Standard Package
2,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Die professionelle Verpackung sorgt dafür, dass alles in perfektem Zustand bei mir ankommt.
de desembre 02, 2025
Ich schätze die prompte Kommunikation nach dem Kauf, die mein Vertrauen in DiGi Electronics gestärkt hat.
de desembre 02, 2025
アフターサービスの対応が素早く、安心して利用できる企業です。価格も非常に良心的です。
de desembre 02, 2025
The logistics tracking system provided by DiGi Electronics is incredibly reliable and transparent.
de desembre 02, 2025
I highly recommend their services for their excellent customer care and logistics efficiency.
de desembre 02, 2025
I highly recommend DiGi Electronics for their outstanding customer service and product dependability.
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Frequently Asked Questions (FAQ)
What are the key reliability risks when using the 1210B473K501NT in high-voltage switching applications above 300V, and how can I mitigate them?
The 1210B473K501NT, rated at 500V, may experience accelerated aging or microcracking under sustained high-voltage stress—especially in hard-switching topologies like flyback or buck converters—due to piezoelectric effects inherent in X7R dielectrics. To mitigate risk, derate the voltage by at least 20% (i.e., operate below 400V), ensure PCB layout avoids mechanical stress near the capacitor, and consider adding snubber circuits to reduce voltage spikes. Also, verify thermal management, as self-heating under ripple current can compound dielectric degradation over time.
Can I replace the 1210B473K501NT with a C1210C473KBRAC7800 in a 48V-to-12V DC-DC converter without redesigning the board?
While the C1210C473KBRAC7800 (Kemet) shares similar electrical specs—0.047µF, 500V, X7R, 1210 package—it has a different thickness (1.60mm vs. 1.65mm max for the 1210B473K501NT) and may exhibit slightly higher ESR and lower ripple current capability. Direct drop-in replacement is mechanically feasible, but in high-frequency converters, the difference in parasitic inductance and loss tangent could affect efficiency and stability. Validate performance under full load and transient conditions; if phase margin or output noise degrades, consider tuning compensation or reverting to the original part.
How does the 1210B473K501NT behave under temperature cycling in automotive under-hood environments, and what derating is recommended?
The 1210B473K501NT’s X7R dielectric provides stable capacitance from -55°C to 125°C (±15% variation), but repeated thermal cycling in automotive environments (e.g., -40°C to 125°C daily) can induce mechanical fatigue at the solder joints due to CTE mismatch. To enhance reliability, apply a 30% voltage derating (use below 350V), use SAC305 or higher-reliability solder, and avoid placing the capacitor near heat sources or on flexible sections of the PCB. Consider conformal coating to reduce moisture-induced delamination during thermal shocks.
Is the 1210B473K501NT suitable for snubber circuits in 400V AC line filtering, and how does its aging compare to C0G alternatives?
The 1210B473K501NT can be used in 400V AC snubber applications, but X7R dielectrics exhibit significant capacitance drift over time—up to 2–5% per decade hour—due to ferroelectric domain relaxation, unlike stable C0G types. This aging reduces effective snubbing performance over years of operation. For long-term stability in critical EMI filtering, consider C0G/NP0 alternatives (e.g., 1210C102K1GACTU), though they offer lower capacitance density. If using the 1210B473K501NT, oversize the initial capacitance by 20% to compensate for aging and monitor in-field performance.
What PCB layout practices should I follow when placing the 1210B473K501NT near high-current traces to avoid mechanical failure?
The 1210B473K501NT is susceptible to flex cracking if mounted near high-current traces that cause localized board bending during thermal cycling. Maintain a minimum 2mm clearance from thick copper pours or bus bars, and orient the capacitor perpendicular to expected board flexure direction. Use symmetrical pad designs with non-solder-mask-defined (NSMD) pads to improve solder joint robustness. Additionally, avoid placing vias directly under the component, as they can create stress concentrators. These practices reduce the risk of latent field failures due to mechanical fatigue in vibration-prone or thermally cycled systems.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
1210B473K501NT CAD Models
Knowles Novacap 1210B473K501NT PCB symbols & footprints
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