EEE-1CA331P Panasonic Capacitor Polarised (Other) In Stock
Panasonic EEE-1CA331P is a 330 µF, 16 V DC aluminum electrolytic capacitor in a surface-mount package. It features low ESR for stable power delivery in compact PCB designs. Suitable for decoupling, bulk energy storage, and filtering in consumer electronics and industrial power supplies.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- EEE-1CA331P Datasheet PDF
- Category
- Capacitor Polarised
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 330 µF capacitance at 16 V DC rating provides substantial bulk energy storage in a surface-mount form factor
- Low ESR aluminum electrolytic construction supports stable voltage regulation in high-ripple power supply stages
- Surface-mount package enables automated PCB assembly and reduces board footprint compared to through-hole equivalents
Applications
The EEE-1CA331P is well-suited for power supply decoupling and output filtering in consumer electronics, set-top boxes, and industrial control units operating at up to 16 V DC. Its 330 µF capacitance handles substantial ripple current in switching converter output stages. It also finds use in audio amplifier power rails and motor-drive circuits that need fast bulk charge delivery.
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 is the capacitance and voltage rating of the EEE-1CA331P, and how does that affect power supply filtering?
The EEE-1CA331P has a capacitance of 330 µF and a voltage rating of 16 V DC. In a switching power supply, this level of capacitance is effective at attenuating output ripple at frequencies from 100 Hz to several kHz, keeping the output voltage stable under dynamic load changes typical of digital circuits drawing up to several amperes.
Can the EEE-1CA331P be used in a 12 V automotive accessory circuit, and what reliability considerations apply?
The EEE-1CA331P is rated for 16 V DC, which provides a margin above the nominal 12 V rail in automotive accessories. However, designers should verify the operating temperature range and ripple current rating because automotive environments can expose components to -40 °C cold starts and elevated under-hood temperatures exceeding 85 °C.
How does the EEE-1CA331P compare to a 220 µF alternative when sizing decoupling capacitance for a 5 V microcontroller rail?
Replacing a 220 µF capacitor with the EEE-1CA331P's 330 µF increases bulk charge storage by 50%, reducing voltage sag during current spikes of several hundred milliamps. For a 5 V microcontroller rail with a 10 ms load transient, the larger capacitance limits the droop to a smaller fraction of the supply voltage, improving system stability.
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