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0805B224K250CT
Walsin Technology Corporation
CAP CER 0.22UF 25V X7R 0805
24117 Pcs New Original In Stock
0.22 µF ±10% 25V Ceramic Capacitor X7R 0805 (2012 Metric)
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5.0 / 5.0
- (481 Ratings)
0805B224K250CT
Product Overview
10446486
DiGi Electronics Part Number
0805B224K250CT-DGManufacturer
Walsin Technology Corporation
0805B224K250CT
Description
CAP CER 0.22UF 25V X7R 0805Inventory
24117 Pcs New Original In Stock
0.22 µF ±10% 25V Ceramic Capacitor X7R 0805 (2012 Metric)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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0805B224K250CT Technical Specifications
Category
Ceramic Capacitors
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Capacitance
0.22 µF
Tolerance
±10%
Voltage - Rated
25V
Temperature Coefficient
X7R
Operating Temperature
-55°C ~ 125°C
Features
-
Ratings
-
Applications
General Purpose
Failure Rate
-
Mounting Type
Surface Mount, MLCC
Package / Case
0805 (2012 Metric)
Size / Dimension
0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max)
-
Thickness (Max)
0.053" (1.35mm)
Lead Spacing
-
Lead Style
-
Datasheet & Documents
HTML Datasheet
0805B224K250CT-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8532.24.0020
Additional Information
Other Names
4639-0805B224K250CTTR
1292-0805B224K250CTTR
Standard Package
3,000
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)
Dec 02, 2025
DiGi Electronics always ensures timely delivery, reinforcing their reputation for reliability.
Dec 02, 2025
DiGi Electronics's shipping notifications kept me well-informed throughout.
Dec 02, 2025
Their support staff is knowledgeable and always available when needed.
Dec 02, 2025
Their promptness in answering after-sales questions demonstrates excellent customer care.
Dec 02, 2025
I've used DiGi Electronics products for months, and their durability truly stands out—I've dropped their devices multiple times without any issue.
Dec 02, 2025
Tracking information provided is accurate and enhances the buying confidence.
Dec 02, 2025
DiDigital Electronics’ extensive product range is unmatched in the market.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the 0805B224K250CT in high-temperature environments near 125°C?
When using the 0805B224K250CT in applications approaching its maximum operating temperature of 125°C, engineers must account for capacitance loss due to DC bias and temperature drift inherent to X7R dielectrics. At 125°C and even at 50% of rated voltage, capacitance can drop below 80% of nominal. To mitigate risk, simulate the combined effects of temperature and applied voltage using manufacturer DC bias curves, and ensure effective thermal management around the 0805 footprint to avoid localized overheating that accelerates aging or microcracking. Consider derating voltage to 50% (12.5V) in long-life, high-reliability designs.
How does the 0805B224K250CT compare to the Samsung CL21B224KAFNNNG in terms of mechanical reliability under board flex?
Both the 0805B224K250CT and the Samsung CL21B224KAFNNNG are 0805 X7R MLCCs rated at 25V, but the Walsin part has a thickness of 1.35mm—slightly thinner than some competitors—potentially reducing stress during board flex. However, Walsin’s mechanical specifications are less publicly documented than Samsung’s. For designs subject to vibration or mechanical shock, prefer parts with published flex-to-fail test data. If board flex is a concern, consider adding keep-out zones or using flexible termination MLCCs. The 0805B224K250CT is a viable cost-effective alternative, but validate in-field reliability with board-level mechanical testing.
Can the 0805B224K250CT safely replace the Murata GRM219R71E224KA01D in a power supply decoupling circuit?
Yes, the 0805B224K250CT can typically replace the Murata GRM219R71E224KA01D in 25V-rated power rail decoupling applications, as both share identical capacitance (0.22µF), voltage, package, and X7R dielectric. However, Murata parts often have tighter control over microphonics and ESR, which may matter in noise-sensitive analog circuits. The risk with 0805B224K250CT is potentially higher piezoelectric noise in audio or RF stages. For digital decoupling, the Walsin part is a reliable, cost-effective substitute. Always verify impedance and resonant frequency using SPICE models or network analyzer data if used in high-frequency bypass roles.
What PCB layout best practices should I follow when integrating the 0805B224K250CT to minimize solder joint fatigue?
To minimize solder joint fatigue with the 0805B224K250CT, avoid placing the capacitor near board edges or rigid connectors where flex occurs. Use steel-reinforced PCBs or localized stiffeners if needed. Implement symmetric thermal relief pads and ensure balanced copper distribution to prevent tombstoning during reflow. Avoid via-in-pad unless capped, as outgassing can weaken the joint. For high-reliability applications, apply edge bonding adhesive to secure the 0805 body. Follow standard MSL1 handling—no baking required—but store in dry conditions to prevent popcorning in rework scenarios.
What are the lifetime reliability implications of using the 0805B224K250CT at 20V DC continuously?
Operating the 0805B224K250CT at 20V DC (80% of its 25V rating) increases long-term parametric risk due to accelerated aging and voltage stress on the X7R dielectric. While the part operates within limits, sustained high voltage reduces effective capacitance faster and increases risk of early failure under thermal cycling. For 10+ year designs, derate to ≤50% voltage (12.5V max) to improve reliability. Monitor capacitance drift with accelerated life testing at 85°C/85% RH and bias. The 0805B224K250CT is suitable for moderate-life consumer applications at 20V but not ideal for industrial systems requiring extended field life without margin.
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.
0805B224K250CT CAD Models
Walsin Technology Corporation 0805B224K250CT PCB symbols & footprints
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