EEE-HC1A221P Panasonic Capacitor Polarised (Other) In Stock
EEE-HC1A221P is a 220 µF, 10 V surface-mount aluminum electrolytic capacitor from Panasonic HC series, offering high capacitance density in a compact SMD form factor for decoupling, bulk energy storage, and filtering in consumer electronics and power supply designs.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- EEE-HC1A221P Datasheet PDF
- Category
- Capacitor Polarised
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 220 µF capacitance at 10 V rating provides substantial bulk charge storage in a compact SMD package, reducing the number of parallel capacitors needed for power rail decoupling
- Panasonic HC series SMD aluminum electrolytic construction delivers reliable long-life performance for output filtering in DC-DC converters and linear regulator circuits
- Surface-mount package enables automated PCB assembly without lead forming, reducing assembly cost and improving placement accuracy in high-volume consumer electronics production
Applications
The EEE-HC1A221P is used in power supply output filtering, bulk decoupling on 5 V and lower logic rails, and energy storage for LED driver and motor control circuits in consumer electronics and portable devices. Its 220 µF capacitance at 10 V makes it effective for smoothing ripple from DC-DC converters operating at switching frequencies from tens to hundreds of kHz. The SMD form factor is compatible with reflow soldering processes used in smartphone accessories, IoT modules, and set-top box power stages.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for EEE-HC1A221P:
suggested
suggested
Frequently Asked Questions
What capacitance and voltage rating does EEE-HC1A221P provide for power rail decoupling?
The EEE-HC1A221P provides 220 µF capacitance at a 10 V voltage rating, making it suitable for bulk decoupling on 3.3 V and 5 V power rails in DC-DC converter output stages, where large capacitance reduces output voltage ripple and improves transient load response.
How does the SMD package of EEE-HC1A221P compare to through-hole electrolytics for high-volume PCB assembly?
The EEE-HC1A221P SMD package eliminates the need for lead insertion and wave soldering, allowing standard reflow oven processing compatible with other SMT components on the same board. This reduces assembly cycle time and eliminates axial or radial lead-forming steps compared to through-hole 220 µF electrolytic alternatives.
In which power supply topologies is a 220 µF, 10 V capacitor like EEE-HC1A221P most effective?
A 220 µF, 10 V capacitor is most effective at the output of buck converters, linear regulators, and charge pump circuits where the rail voltage is 5 V or lower and load transient currents reach hundreds of milliamperes. It provides adequate energy reservoir depth to hold output voltage stable during transient demands lasting up to several microseconds.
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