ECE-A0JKA331Q Panasonic Capacitor Polarised (Capacitor, Polarized Radial Diameter) In Stock
The Panasonic ECE-A0JKA331Q is a 330 µF aluminum electrolytic capacitor rated at 6.3 VDC in a standard radial-leaded configuration. This polarized component delivers reliable energy storage for audio amplifiers, power supplies, and filtering circuits. Stock is available worldwide with expedited shipping options.
- Manufacturer
- Panasonic
- Package
- Capacitor, Polarized Radial Diameter
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ECE-A0JKA331Q Datasheet PDF
- Category
- Capacitor Polarised
- Price
- From $0.0962(MOQ 50)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 330 µF capacitance in compact radial package
- 6.3 V DC rated voltage for low-voltage applications
- Polarized aluminum electrolytic construction for superior charge density
Applications
The ECE-A0JKA331Q is widely used in audio output coupling stages, LED driver power supplies, and automotive battery management circuits. Its 330 µF value makes it ideal for smoothing ripple in 5 V to 12 V supply rails and for buffering transient current demands in portable consumer electronics.
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 ECE-A0JKA331Q, and what are typical applications?
The ECE-A0JKA331Q provides 330 µF capacitance at a 6.3 V DC rating, making it suitable for low-voltage energy storage in audio amplifiers, switching power supplies, and LED driver circuits. At 6.3 V, it can smooth ripple in 5 V rails and support transient current bursts up to several amperes in portable battery-powered devices.
How does the radial-leaded aluminum electrolytic design affect PCB layout and thermal performance?
The radial-leaded configuration simplifies through-hole board assembly and reduces routing complexity compared to surface-mount alternatives. Aluminum electrolytic capacitors dissipate internal heat at approximately 0.5 mW per µF per volt squared under AC ripple; the ECE-A0JKA331Q operates reliably within 70 to 105 degrees Celsius ambient conditions with proper spacing and airflow.
When should the ECE-A0JKA331Q 330 µF capacitor be paired with a smaller film capacitor for best audio fidelity?
Pairing the 330 µF electrolytic with a 1 µF to 10 µF film capacitor in parallel improves high-frequency decoupling above 1 kHz, reducing residual ripple noise in audio coupling stages by 20 to 30 dB. This two-stage approach combines the bulk charge capacity of electrolytic storage with the low-ESR, high-frequency response of film capacitors for clean audio paths.
Related Guides
How to Choose a BAS70 Schottky Diode for Signal Clamping: Selection Guide
A practical BAS70KFILM and BAS70-family Schottky diode selection guide for signal clamping, RF detection, leakage, and topology choices.
Jul 4, 2026
AMC1202DWVR Design Guide for Isolated Current Sensing
Practical AMC1202DWVR design guide covering shunt sizing, isolation layout, input filtering, ADC scaling, and sourcing choices.
Jul 4, 2026
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 2026
Why Buy from FindMyChip
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 |
|---|---|---|
| 50+ | $0.2290 | $11.45 |
| 100+ | $0.2033 | $20.33 |
| 500+ | $0.1589 | $79.45 |
| 2000+ | $0.1070 | $214.00 |
| 8000+ | $0.0967 | $773.68 |
| 16000+ | $0.0962 | $1539.36 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”