EEE-HB1C221AP Panasonic Capacitor Polarised (Other) In Stock
Panasonic EEE-HB1C221AP is a 220 µF 16 V SMD aluminum electrolytic capacitor from the HB series, offering high-capacitance bulk energy storage in a compact surface-mount form factor for power supply filtering and decoupling applications.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- EEE-HB1C221AP Datasheet PDF
- Category
- Capacitor Polarised
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 220 µF capacitance at 16 V rating providing substantial bulk energy storage for power rail stabilization
- SMD HB series construction enabling automated reflow assembly on high-density PCBs
- Aluminum electrolytic chemistry delivering high capacitance-per-volume ratio at low cost
- 16 V voltage rating suitable for 5 V, 9 V, and 12 V power rail decoupling and filtering
Applications
The EEE-HB1C221AP is used as a bulk decoupling and energy storage capacitor on 5 V, 9 V, and 12 V power rails in switching power supplies, motor driver boards, and consumer electronics. Its 220 µF capacitance at 16 V provides the charge reservoir needed to suppress voltage droop during load transients in LED drivers, audio amplifiers, and DC-DC converter outputs. The SMD package supports reflow soldering in high-volume automated PCB assembly.
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
How does the 220 µF, 16 V rating of the EEE-HB1C221AP determine its suitability for a 12 V power rail application?
With a 16 V voltage rating, the EEE-HB1C221AP provides a 33% derating margin above a 12 V rail, which meets standard capacitor derating guidelines requiring at least 20% headroom for reliable long-term operation. The 220 µF capacitance stores approximately 28.2 mJ of energy, making it effective for absorbing load transients and filtering ripple on 12 V rails in switching converters, industrial controllers, and automotive accessory boards.
What power supply ripple filtering performance can designers expect from the EEE-HB1C221AP in an SMD PCB layout?
The EEE-HB1C221AP's 220 µF aluminum electrolytic capacitance significantly attenuates low-frequency ripple below 1 kHz on DC power rails, while the SMD HB series package minimizes lead inductance compared to through-hole alternatives. For a 5 V or 12 V rail in a switching power supply operating at 50 kHz to 200 kHz, this capacitor is typically used alongside smaller ceramic capacitors to cover the full ripple spectrum from DC to high frequencies.
When should the EEE-HB1C221AP be selected over a polymer capacitor of equivalent capacitance and voltage rating?
The EEE-HB1C221AP is preferable when cost is the primary constraint, as aluminum electrolytic capacitors offer the lowest cost per µF at 220 µF and 16 V ratings. Polymer capacitors provide lower ESR and better high-frequency performance but cost 3 to 5 times more per unit. The HB series electrolytic is appropriate for bulk energy storage, output filtering at frequencies below 10 kHz, and applications where the slightly higher ESR does not affect system stability.
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