T520X477M006ATE035 Kemet Capacitor Polarised (Other) In Stock
The KEMET T520X477M006ATE035 is an SMD molded polymer tantalum capacitor rated at 470 µF with a 6.3 V working voltage and 35 mΩ maximum ESR. Its non-combustible, low-ESR polymer construction offers a safer and higher-performance alternative to standard tantalum capacitors. Available worldwide from authorized KEMET distributors with fast shipping.
- Manufacturer
- Kemet
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- T520X477M006ATE035 Datasheet PDF
- Category
- Capacitor Polarised
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 470 µF capacitance at 6.3 V in a compact SMD molded package with a low 35 mΩ maximum ESR for superior high-frequency decoupling
- Non-combustible polymer electrolyte eliminates the ignition risk associated with traditional MnO2 tantalum capacitors, improving system safety
- Low ESR polymer construction enables effective filtering at switching frequencies from 100 kHz to several MHz in DC-DC converters
- Molded SMD form factor withstands reflow soldering and provides robust mechanical stability for automated PCB assembly
Applications
The T520X477M006ATE035 is used in point-of-load DC-DC converters, CPU and FPGA power rail decoupling, and mobile device power management circuits where a high-capacitance, low-ESR capacitor at 6.3 V is critical. Its non-combustible polymer construction makes it preferred over standard tantalum capacitors in safety-critical designs such as medical equipment power stages and automotive electronics. The 470 µF value and 35 mΩ ESR deliver low output ripple in multi-phase voltage regulators powering processors in servers and embedded computing systems.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the capacitance, voltage rating, and ESR of the KEMET T520X477M006ATE035?
The T520X477M006ATE035 is rated at 470 µF with a 6.3 V working voltage and a maximum ESR of 35 mΩ at 100 kHz. The low 35 mΩ ESR makes it significantly more effective than standard aluminum electrolytics for high-frequency ripple filtering in switching regulators and point-of-load converters operating below 6.3 V.
Why does the polymer construction of the T520X477M006ATE035 improve safety compared to standard MnO2 tantalum capacitors?
Standard MnO2 tantalum capacitors use a manganese dioxide cathode that can ignite if the capacitor is overvoltaged or reverse-biased. The T520X477M006ATE035 uses a conductive polymer electrolyte that is non-combustible under fault conditions. This eliminates the ignition risk while maintaining the 470 µF capacitance at 6.3 V, making it a safer choice for medical, automotive, and industrial applications where field failures could be catastrophic.
How does the T520X477M006ATE035 perform in point-of-load converter output filtering at 1 MHz switching frequency?
At 1 MHz switching frequency, the 35 mΩ maximum ESR of the T520X477M006ATE035 limits the ESR-induced ripple voltage to approximately 35 mV per ampere of ripple current, significantly lower than aluminum electrolytic capacitors with ESR values of 100-500 mΩ. Combined with 470 µF of capacitance, it delivers effective output voltage stabilization for CPU and FPGA core rails requiring tight ripple budgets below 50 mV.
In what SMD case size does the T520X477M006ATE035 come, and how does its footprint compare to aluminum electrolytic alternatives for 470 µF at 6.3 V?
The T520X477M006ATE035 is supplied in KEMET's X case molded SMD tantalum package, which is considerably smaller than an aluminum electrolytic capacitor of equivalent 470 µF at 6.3 V rating. The molded polymer tantalum package occupies less PCB area and provides a lower profile, enabling denser power supply layouts in smartphones, tablets, and compact server modules where board space is highly constrained.
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