EEE-FKJ101UAR Panasonic Capacitor Polarised (Other) In Stock
EEE-FKJ101UAR is a 100 µF, 6.3 V surface-mount aluminum electrolytic capacitor from Panasonic's FK series offering low ESR and long operational life. It is designed for SMD assembly in power supply decoupling and energy storage applications on compact PCBs. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- EEE-FKJ101UAR Datasheet PDF
- Category
- Capacitor Polarised
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 100 µF capacitance at 6.3 V rating suited for low-voltage power rail decoupling and energy storage
- SMD (surface-mount) form factor compatible with automated pick-and-place and reflow soldering assembly
- Panasonic FK series construction providing low ESR and extended operating lifetime in power applications
Applications
EEE-FKJ101UAR is ideal for bulk decoupling on 5 V and 3.3 V power rails in consumer electronics, portable devices, and IoT modules where SMD assembly is required. It serves well as an output smoothing capacitor for low-voltage DC-DC converters and LDO regulators, filtering high-frequency ripple to maintain stable supply voltage. The compact SMD package enables high-density PCB layouts in smartphones, wearables, and embedded 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 capacitance and voltage rating does EEE-FKJ101UAR provide for power rail decoupling?
EEE-FKJ101UAR is rated at 100 µF capacitance with a 6.3 V working voltage, making it appropriate for decoupling 3.3 V and 5 V digital power rails. The 100 µF value provides sufficient bulk capacitance to suppress low-frequency ripple on DC-DC converter outputs while the 6.3 V rating gives a comfortable derating margin above the 5 V rail voltage.
How does EEE-FKJ101UAR's SMD package benefit high-density PCB assembly processes?
As an SMD aluminum electrolytic capacitor, EEE-FKJ101UAR is compatible with automated pick-and-place and reflow soldering at typical peak temperatures of 260°C, eliminating the need for manual through-hole insertion. This reduces assembly cycle time, supports double-sided PCB layouts, and allows placement close to power ICs for effective high-frequency decoupling within 5–10 mm of the load.
When should EEE-FKJ101UAR be preferred over a ceramic capacitor for output filtering in a DC-DC converter?
EEE-FKJ101UAR at 100 µF provides high bulk capacitance in a single component, whereas achieving 100 µF with MLCC ceramics at 6.3 V may require multiple smaller capacitors in parallel due to DC bias derating. Aluminum electrolytics also exhibit predictable capacitance with voltage applied, whereas ceramic capacitors lose 50–80% of rated capacitance under DC bias, making EEE-FKJ101UAR more predictable in low-voltage converter output stages.
What Panasonic capacitor series does EEE-FKJ101UAR belong to, and what differentiates FK series products?
EEE-FKJ101UAR belongs to Panasonic's FK series of SMD aluminum electrolytic capacitors, which are designed for low ESR performance and extended service life compared to standard aluminum electrolytic capacitors. The FK series targets power supply circuits operating at up to 105°C ambient, providing reliable bulk capacitance of 100 µF in applications demanding longevity of 2000 hours or more at rated temperature.
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