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CKG57KX7R2A225M335JH
TDK Corporation
CAP CER 2.2UF 100V X7R SMD
3307 Pcs New Original In Stock
2.2 µF ±20% 100V Ceramic Capacitor X7R SMD, J-Lead
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5.0 / 5.0
- (470 Ratings)
CKG57KX7R2A225M335JH
Product Overview
6592996
DiGi Electronics Part Number
CKG57KX7R2A225M335JH-DGManufacturer
TDK Corporation
CKG57KX7R2A225M335JH
Description
CAP CER 2.2UF 100V X7R SMDInventory
3307 Pcs New Original In Stock
2.2 µF ±20% 100V Ceramic Capacitor X7R SMD, J-Lead
Quantity
Minimum 1
Minimum 1
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CKG57KX7R2A225M335JH Technical Specifications
Category
Ceramic Capacitors
Packaging
Tape & Reel (TR)
Series
MEGACAP, CKG
Product Status
Active
Capacitance
2.2 µF
Tolerance
±20%
Voltage - Rated
100V
Temperature Coefficient
X7R
Operating Temperature
-55°C ~ 125°C
Features
Low ESL
Ratings
-
Applications
SMPS Filtering, Bypass, Decoupling
Failure Rate
-
Mounting Type
Surface Mount, MLCC
Package / Case
SMD, J-Lead
Size / Dimension
0.236" L x 0.197" W (6.00mm x 5.00mm)
Height - Seated (Max)
-
Thickness (Max)
0.138" (3.50mm)
Lead Spacing
-
Lead Style
J-Lead
Datasheet & Documents
HTML Datasheet
CKG57KX7R2A225M335JH-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
445-4103-2
445-4103-1
CKG57KX7R2A225MT009W
445-4103-6
CKG57KX7R2A225M
Standard Package
1,000
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
気軽に相談できる雰囲気とお得な価格にいつも助けられています。
Dec 02, 2025
We appreciate their proactive approach to after-sales service, always maintaining high standards.
Dec 02, 2025
Customer support at DiGi Electronics is responsive and courteous.
Dec 02, 2025
Post-sale assistance included helpful tips that extended the value of my purchase.
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Frequently Asked Questions (FAQ)
Can the CKG57KX7R2A225M335JH capacitor safely replace a 2.2 µF 100V X7R MLCC in a high-frequency SMPS input filter, and what are the risks of using it in a 1 MHz buck converter with significant ripple current?
Yes, the CKG57KX7R2A225M335JH is suitable for high-frequency SMPS input filtering due to its low ESL and stable X7R dielectric, but you must account for DC bias capacitance loss. At 100V applied (its rated voltage), the effective capacitance may drop by 30–50%, reducing actual filtering performance. In a 1 MHz buck converter, ensure the remaining capacitance under bias still meets your ripple voltage requirements. Use a DC bias simulator or measure with an LCR meter at operating voltage. Consider derating to 50V application or selecting a higher initial capacitance (e.g., 4.7 µF) to compensate.
What are the key differences between CKG57KX7R2A225M335JH and its substitute CKG57KX7T2E225M335JH, and can I drop-in replace one with the other in a 48V telecom power supply?
The CKG57KX7R2A225M335JH (X7R, 100V) and CKG57KX7T2E225M335JH (X7T, 250V) differ in dielectric stability, voltage rating, and capacitance behavior under temperature. X7T has a wider capacitance variation (±15% over temperature vs. X7R’s ±15%), but the 250V rating of the substitute provides greater margin in a 48V system. However, the higher voltage part may have lower volumetric efficiency, potentially reducing actual capacitance. While electrically compatible, verify that the substitute’s capacitance under DC bias at 48V still meets your decoupling needs. The CKG57KX7R2A225M335JH is preferred for tighter tolerance and better predictability in sensitive feedback loops.
How does the J-lead construction of the CKG57KX7R2A225M335JH impact mechanical reliability in high-vibration industrial environments, and should I consider a different package?
The J-lead design of the CKG57KX7R2A225M335JH improves solder joint reliability under thermal cycling compared to standard gull-wing leads, but in high-vibration environments (e.g., motor drives, automotive under-hood), the larger body size (6.00mm x 5.00mm) increases mechanical stress. The J-lead helps absorb strain, but repeated flexing may still cause cracking in the ceramic body. For such applications, consider adding conformal coating or switching to a smaller, more robust package like 1210 or 1812 with flexible termination (e.g., TDK’s FlexiCap series). Perform vibration testing per IEC 60068-2-6 if reliability is critical.
Is the CKG57KX7R2A225M335JH a good choice for decoupling a 100V GaN FET in a high-efficiency PFC stage, and how does its ESL compare to standard MLCCs?
Yes, the CKG57KX7R2A225M335JH is well-suited for decoupling high-speed GaN FETs due to its explicitly stated low ESL, which minimizes inductive ringing during fast switching transitions (e.g., <5 ns edges). However, its 6.00mm length introduces slightly higher ESL (~0.5–0.7 nH) than smaller 1206 or 0805 capacitors (~0.3 nH). Place it as close as possible to the FET drain/source with minimal loop area. For ultra-fast edges, consider paralleling it with a smaller 100nF 0402 capacitor to cover higher frequencies. The CKG57KX7R2A225M335JH provides bulk charge storage, while the smaller cap handles high-frequency noise.
Can I use the CKG57KX7R2A225M335JH in a 125°C ambient environment continuously, and what derating practices should I follow for long-term reliability?
The CKG57KX7R2A225M335JH is rated for operation up to 125°C, so it can function at that temperature, but long-term reliability degrades without proper derating. TDK recommends derating voltage by at least 50% at maximum temperature—so at 125°C, do not exceed 50V DC. Additionally, X7R capacitance can drift over time, especially near temperature extremes. For mission-critical applications, monitor capacitance drift and consider periodic recalibration. Avoid sustained operation at both 100V and 125°C simultaneously; instead, reduce voltage or improve thermal management to keep the capacitor below 105°C for optimal lifespan.
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.
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