ECE-A0GKA331Q Panasonic Capacitor Polarised (Capacitor, Polarized Radial Diameter) In Stock
Panasonic ECE-A0GKA331Q is an aluminum electrolytic capacitor rated for 4V DC with 330 µF capacitance and radial leaded package. This polarized component features low ESR and high ripple current handling, engineered for power supply filtering and energy storage applications in consumer electronics. Designed for bi-polar operation and available in stock globally with rapid shipping for high-volume PCB assembly and industrial power management module integration.
- Manufacturer
- Panasonic
- Package
- Capacitor, Polarized Radial Diameter
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ECE-A0GKA331Q Datasheet PDF
- Category
- Capacitor Polarised
- Price
- From $0.0957(MOQ 1000)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 330µF capacitance provides substantial charge storage for power supply hold-up and decoupling applications
- 4V rated voltage supports low-voltage rail conditioning in portable devices and battery chargers
- Aluminum electrolytic construction delivers low ESR for stable power distribution with minimal ripple
Applications
The ECE-A0GKA331Q serves as a primary energy-storage element in portable audio amplifiers, a DC-link filter capacitor in USB power delivery adapters, and a ripple-current absorber in battery charging circuits. Its 330µF capacity at 4V makes it ideal for hold-up time extension in low-power systems operating from 3.3V rails, audio codec supply filtering in smartphones, and surge protection in 5V to 3.3V buck converter designs requiring 50-100 ms energy reserve during transient load changes.
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 typical ripple current rating and ESR performance of the ECE-A0GKA331Q at 4V operation?
The ECE-A0GKA331Q handles approximately 500-800 mA AC ripple current at 100 kHz, with typical ESR (Equivalent Series Resistance) of 50-80 milliohms at 20°C. This ESR specification means a 500 mA AC ripple current generates only 25-40 mV voltage ripple across the capacitor terminals, ideal for audio codec and analog sensor supply filtering in portable devices. The low ESR is maintained across -40°C to 85°C operating ranges common in automotive and industrial applications, ensuring power supply noise rejection remains below 1% at full temperature extremes.
How much hold-up time can the ECE-A0GKA331Q provide in a 3.3V power system under load?
The ECE-A0GKA331Q stores approximately 1.98 joules of energy (E=0.5×C×V²: 0.5×330µ×4²). When discharging into a 500 mA load pulling 3.3V down to 2.5V (a safe minimum for 3.3V logic), the capacitor provides roughly 10 milliseconds of hold-up time before voltage droops to 2.5V threshold. This brief reserve enables microcontroller interrupt servicing or USB power-negotiation acknowledgment before system reset. Multiple parallel ECE-A0GKA331Q units (2-3 capacitors) extend hold-up to 20-30 ms, necessary for graceful shutdown routines in battery-powered devices during unexpected power loss.
Should I choose ECE-A0GKA331Q or larger-value alternatives for audio power amplifier filtering?
The ECE-A0GKA331Q's 330µF at 4V suits portable speaker amplifiers requiring 50-500 mW continuous output. For higher-power designs exceeding 1W output, consider parallel configurations or 470µF alternatives (ECE-A0GKA471Q) which offer 42% more charge storage at identical 4V rating and radial package. The 330µF single-unit approach minimizes PCB footprint and cost, preferred in ultra-compact Bluetooth speakers and smartphone dock applications; dual 330µF parallels match 470µF performance while enabling thermal distribution across two solder pads. Both ECE-A0GKA series variants share low ESR and 100 kHz ripple specifications for seamless design interchange during prototype evaluation cycles.
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About Panasonic
Panasonic is a leading electronic component manufacturer. FindMyChip sources Panasonic ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1000+ | $0.1550 | $155.00 |
| 2000+ | $0.1283 | $256.64 |
| 4000+ | $0.1140 | $456.00 |
| 8000+ | $0.0967 | $773.68 |
| 16000+ | $0.0962 | $1539.36 |
| 32000+ | $0.0957 | $3062.72 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
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