EEE-FKA330UAR Panasonic Capacitor Polarised (Other) In Stock
Panasonic EEE-FKA330UAR is a 33 µF 10 V SMD aluminum electrolytic capacitor from the FK series, designed for surface-mount power supply decoupling and filtering applications requiring compact size and reliable performance.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- EEE-FKA330UAR Datasheet PDF
- Category
- Capacitor Polarised
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 33 µF capacitance at 10 V rated voltage for effective bulk energy storage in SMD designs
- FK series SMD package optimized for automated pick-and-place assembly
- Low ESR and long operational life suitable for high-ripple switching regulator outputs
- Compact surface-mount form factor enabling high-density PCB layouts
- RoHS compliant construction with wide operating temperature range for consumer and industrial use
Applications
The EEE-FKA330UAR is widely used as an output bulk capacitor in DC-DC converter and LDO regulator circuits for smartphones, tablets, and portable consumer electronics where space is limited. Its 33 µF capacitance and 10 V rating also make it suitable for decoupling and filtering in audio amplifiers, industrial sensor modules, and IoT devices operating from 5 V or 3.3 V regulated rails.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for EEE-FKA330UAR:
Aluminum Electrolytic Capacitor, Polarized, Aluminum (wet), 10V, 20% +Tol, 20% -Tol, 33uF, Surface Mount, 1717
Frequently Asked Questions
Can EEE-FKA330UAR handle the ripple current of a 5 V switching regulator output stage?
The EEE-FKA330UAR is a 33 µF 10 V aluminum electrolytic capacitor in the FK SMD series, rated to handle moderate ripple currents typical of 5 V buck regulator outputs. Its ESR and ripple current specification should be verified in the Panasonic FK series datasheet against the converter's calculated ripple requirements.
How does the 10 V voltage rating of EEE-FKA330UAR factor into derating guidelines for reliable long-term operation?
Standard derating practice for aluminum electrolytic capacitors recommends operating at no more than 80% of rated voltage, so EEE-FKA330UAR should be used on rails up to 8 V for maximum reliability and extended operational life beyond 2,000 hours at rated temperature.
What SMD package dimensions does EEE-FKA330UAR use, and how does it affect PCB footprint planning?
The EEE-FKA330UAR uses Panasonic's FK SMD package, which has a cylindrical SMD body typically measuring 5 mm diameter by 5.8 mm height, occupying a small PCB footprint suitable for compact consumer electronics and portable device designs.
When is EEE-FKA330UAR preferred over a ceramic capacitor for 33 µF bulk storage?
EEE-FKA330UAR offers a lower unit cost per µF compared to ceramic capacitors at 33 µF values, making it preferable in cost-sensitive designs. However, its 10 V rating and moderate ESR suit it best for low-frequency bulk decoupling rather than high-frequency bypass where ceramic capacitors with sub-nF impedance at 100 MHz are superior.
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