Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
C420C154K1R5TA
KEMET
CAP CER AXL
1492 Pcs New Original In Stock
Ceramic Capacitor
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (168 Ratings)
C420C154K1R5TA
Product Overview
11183934
DiGi Electronics Part Number
C420C154K1R5TA-DGManufacturer
KEMET
C420C154K1R5TA
Description
CAP CER AXLInventory
1492 Pcs New Original In Stock
Ceramic Capacitor
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
C420C154K1R5TA Technical Specifications
Category
Ceramic Capacitors
Packaging
Bulk
Series
*
Product Status
Active
Datasheet & Documents
HTML Datasheet
C420C154K1R5TA-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
Not Applicable
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8532.24.0040
Additional Information
Other Names
399-C420C154K1R5TA
Standard Package
300
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
신속한 배송과 탁월한 제품 품질에 다시 한번 감탄했어요.
de desembre 02, 2025
他們的售後服務細心且高效，任何問題都能快速得到解決，非常值得推薦。
de desembre 02, 2025
Die Lieferung war äußerst prompt, der Support sehr freundlich.
de desembre 02, 2025
価格面で大きなメリットを感じており、コストパフォーマンスが最高です。
de desembre 02, 2025
The website loads quickly even during peak hours, ensuring a smooth shopping journey.
de desembre 02, 2025
Their responsiveness to my questions made me feel valued as a customer, and the service was top-notch.
de desembre 02, 2025
Their logistical agility helps us adapt quickly to changing project demands.
de desembre 02, 2025
Their team is always ready to help, providing solutions that work efficiently.
de desembre 02, 2025
DiGi Electronics' prompt delivery has been a lifesaver during emergency repair situations.
de desembre 02, 2025
Choosing DiGi Electronics was a good decision, thanks to their reliable support.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
How does the KEMET C420C154K1R5TA ceramic capacitor perform under high dv/dt stress in switch-mode power supply snubber circuits, and what design risks should I consider when replacing a film capacitor with this part?
The KEMET C420C154K1R5TA, being a Class II X7R ceramic capacitor, exhibits excellent high-frequency response and low ESR, making it suitable for snubber applications. However, its piezoelectric nature can generate microphonic noise under high dv/dt transients (>10 V/ns), potentially causing false triggering in sensitive control circuits. Additionally, DC bias voltage can reduce effective capacitance by up to 60% at rated voltage—verify actual capacitance under operating bias using KEMET’s DC bias tool. Avoid direct replacement of high-voltage film snubbers (e.g., WIMA FKP2) without validating voltage derating and transient energy absorption; consider adding a small series resistor to dampen resonances if ringing occurs.
Can I use the KEMET C420C154K1R5TA as a direct drop-in replacement for a Murata GRM31CR71H154KA01L in a 12V automotive input filter, and what reliability concerns might arise from differences in construction?
While both are 150 nF, 50V X7R ceramic capacitors in 1206 packages, the KEMET C420C154K1R5TA uses a different electrode and termination system than the Murata GRM31CR71H154KA01L. This may affect solder joint reliability under thermal cycling—especially in under-hood automotive environments. The C420C154K1R5TA’s axial leaded (CAP CER AXL) construction offers better mechanical stress relief compared to surface-mount parts, reducing board flexure risk. However, ensure your PCB layout accommodates the leaded form factor. Also, validate long-term capacitance stability: KEMET’s formulation may show slightly higher aging rates (≈2.5% per decade hour) versus Murata’s, which could impact tight-tolerance filtering over time.
What are the key integration challenges when designing the KEMET C420C154K1R5TA into a high-vibration industrial motor drive, and how can I mitigate mechanical failure risks?
The axial lead configuration of the KEMET C420C154K1R5TA improves resilience to board flexure but introduces cantilever stress on solder joints under sustained vibration (>5 Grms). To mitigate failure, secure the body with adhesive (e.g., epoxy or silicone) near the base, avoid routing leads over sharp PCB edges, and maintain a minimum 2 mm lead bend radius. Unlike rigid SMT ceramics that crack from PCB warpage, this leaded design absorbs strain—but improper mounting can still cause lead fatigue. Also, ensure the capacitor isn’t placed near heat sources exceeding 125°C, as sustained high temperature accelerates dielectric aging and reduces operational lifespan in X7R types.
Is the KEMET C420C154K1R5TA suitable for decoupling a 3.3V microcontroller rail in a battery-powered IoT device, and how does its leakage current compare to C0G alternatives like the TDK C3216C0G1H154J160AA?
The KEMET C420C154K1R5TA can be used for bulk decoupling on a 3.3V rail, but its X7R dielectric exhibits higher leakage current (typically 0.01–0.03 μA at 3.3V) compared to C0G types like the TDK C3216C0G1H154J160AA (<0.001 μA). In ultra-low-power IoT designs where sleep current must stay below 1 μA, this leakage may represent a non-negligible load—up to 3% of total quiescent draw in some cases. Reserve the C420C154K1R5TA for mid-frequency bypass roles and pair it with a low-leakage C0G capacitor (e.g., 10 nF) for high-frequency noise suppression. Always measure actual leakage in-circuit under worst-case temperature (85°C) to confirm power budget compliance.
What derating strategy should I apply when using the KEMET C420C154K1R5TA in a 48V telecom bus application, and how does its voltage coefficient impact effective capacitance under load?
In a 48V system, apply at least 50% voltage derating—operate the KEMET C420C154K1R5TA (rated 50V) at ≤25V DC to ensure long-term reliability and minimize capacitance loss. Due to the strong DC bias effect in X7R dielectrics, the effective capacitance at 25V may drop to ~80 nF (from 150 nF nominal), significantly altering filter or timing circuit behavior. Use KEMET’s K-SIM tool to model real-world capacitance under your exact bias and temperature conditions. For stable capacitance in 48V rails, consider stacking two C420C154K1R5TA units in series (with balancing resistors) or switching to a higher-voltage-rated C0G part if tolerance is critical. Never rely on nominal capacitance values without bias correction in power-sensitive designs.
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.
C420C154K1R5TA CAD Models
KEMET C420C154K1R5TA PCB symbols & footprints
productDetail
