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TCA0J476M8R-02
KYOCERA AVX
A- CASE / 476- CAP CODE / MN02
105442 Pcs New Original In Stock
47 µF Molded Tantalum Capacitors 6.3 V 1206 (3216 Metric)
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*Quantity
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Minimum 1
5.0 / 5.0
- (479 Ratings)
TCA0J476M8R-02
Product Overview
1977062
DiGi Electronics Part Number
TCA0J476M8R-02-DGManufacturer
KYOCERA AVX
TCA0J476M8R-02
Description
A- CASE / 476- CAP CODE / MN02Inventory
105442 Pcs New Original In Stock
47 µF Molded Tantalum Capacitors 6.3 V 1206 (3216 Metric)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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TCA0J476M8R-02 Technical Specifications
Category
Tantalum Capacitors
Packaging
Tape & Reel (TR)
Series
TC
Product Status
Active
Capacitance
47 µF
Tolerance
±20%
Voltage - Rated
6.3 V
Type
Molded
ESR (Equivalent Series Resistance)
-
Operating Temperature
-55°C ~ 125°C
Lifetime @ Temp.
-
Mounting Type
Surface Mount
Package / Case
1206 (3216 Metric)
Size / Dimension
0.126" L x 0.063" W (3.20mm x 1.60mm)
Height - Seated (Max)
0.071" (1.80mm)
Lead Spacing
-
Manufacturer Size Code
-
Ratings
-
Features
General Purpose
Failure Rate
-
Datasheet & Documents
HTML Datasheet
TCA0J476M8R-02-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8532.21.0050
Additional Information
Other Names
478-TCA0J476M8R-02TR
478-TCA0J476M8R-02DKR
478-TCA0J476M8R-02CT
Standard Package
2,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Die Produkte sind robust, hochwertig und perfekt auf meine Bedürfnisse abgestimmt.
Dec 02, 2025
Excellent packaging and competitive pricing make shopping with DiGi Electronics a pleasure.
Dec 02, 2025
Customer service staff demonstrate expertise and genuine care in every support case.
Dec 02, 2025
The after-sales support team is knowledgeable and always ready to help.
Dec 02, 2025
DiGi Electronics’ team is responsive and knowledgeable, offering valuable after-sales assistance.
Dec 02, 2025
Impressed by DiGi's efficient supply chain, reducing wait times significantly.
Dec 02, 2025
Enjoying excellent deals on a platform that’s a joy to navigate—thanks to DiGi Electronics.
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Frequently Asked Questions (FAQ)
Can the TCA0J476M8R-02 replace a 47 µF 10V molded tantalum capacitor in a 3.3V rail decoupling application without risk of overvoltage or reliability issues?
Yes, the TCA0J476M8R-02 (47 µF, 6.3V rating) can safely replace a 47 µF 10V tantalum capacitor on a 3.3V rail, provided the system includes proper transient suppression. While its lower voltage rating may seem risky, the 3.3V operating voltage is well below its 6.3V limit, offering a ~2x derating margin—ideal for long-term reliability. However, ensure upstream protection (e.g., TVS diodes or input filters) against voltage spikes, as tantalum capacitors are sensitive to overvoltage transients. Avoid using it in 5V systems unless rigorous transient analysis confirms peak voltages stay below ~5.5V.
What are the key reliability risks when using the TCA0J476M8R-02 in high-vibration automotive environments, and how does its MSL 1 rating influence board-level design?
The TCA0J476M8R-02’s molded tantalum construction offers better mechanical stability than polymer or wet tantalums, but its ceramic-like brittleness still poses cracking risks under sustained high vibration—common in under-hood automotive applications. Use strain relief via symmetrical pad design and avoid placement near board edges or mounting points. Its MSL 1 (unlimited floor life) eliminates moisture-related popcorning risks during reflow, simplifying assembly logistics. However, always follow IPC-7351 land pattern guidelines to minimize solder joint stress, and consider conformal coating to mitigate micro-crack propagation from thermal cycling.
How does the TCA0J476M8R-02 compare to the KEMET T521X476M006ATE070 in terms of ESR, surge current handling, and suitability for switch-mode power supply output filtering?
The TCA0J476M8R-02 lacks a published ESR value, which is a red flag for SMPS output filtering where low ESR is critical. In contrast, the KEMET T521X476M006ATE070 specifies 70 mΩ ESR and is explicitly rated for high-surge applications. Without confirmed low ESR, the TCA0J476M8R-02 may overheat or fail prematurely under high ripple currents typical in buck/boost converters. If ESR is unknown, assume worst-case (~200–500 mΩ) and validate thermal performance via bench testing. For reliable SMPS designs, prefer parts with guaranteed ESR or switch to polymer tantalums like the T521 series.
Is it safe to parallel two TCA0J476M8R-02 capacitors to achieve 94 µF on a 5V logic supply, and what balancing or current-sharing issues should I anticipate?
Paralleling two TCA0J476M8R-02 capacitors is electrically feasible for increasing capacitance on a 5V rail (within the 6.3V rating), but unequal ESR—even between identical parts—can cause uneven current sharing and localized heating. Without published ESR data, assume potential mismatch up to 30–50%. To mitigate risk, add small balancing resistors (e.g., 0.1–0.5 Ω, 1/8W) in series with each capacitor or use a single higher-capacitance part. Also, ensure symmetrical PCB layout to minimize parasitic inductance differences. This approach is acceptable for non-critical decoupling but avoid it in high-ripple or fault-prone circuits.
Can the TCA0J476M8R-02 be used as a direct drop-in replacement for legacy through-hole tantalum capacitors like the KEMET T322C476M010AS in modern SMD designs, considering thermal and mechanical differences?
While the TCA0J476M8R-02 matches the 47 µF capacitance and exceeds the voltage rating (6.3V vs. 10V), it is not a true drop-in due to fundamental construction differences. The through-hole T322 uses a wet electrolytic slug with higher surge tolerance, whereas the TCA0J476M8R-02 is a molded SMD type with potentially higher sensitivity to voltage transients. Additionally, the 1206 footprint requires redesign of legacy layouts. Only consider replacement if the circuit operates below 5V with robust input protection. Always revalidate stability, especially in feedback loops where capacitance roll-off characteristics differ significantly between wet and molded types.
Quality Assurance (QC)
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TCA0J476M8R-02 CAD Models
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