ECE-A1EN221U Panasonic Capacitor Polarised (Capacitor, Polarized Radial Diameter) In Stock
Panasonic ECE-A1EN221U is a 220 µF polarized aluminum electrolytic capacitor rated at 25 V DC in a through-hole radial package. Key specs: 220 µF capacitance, 25 V DC rating, radial polarized form factor. Available from stock with worldwide shipping.
- Manufacturer
- Panasonic
- Package
- Capacitor, Polarized Radial Diameter
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ECE-A1EN221U Datasheet PDF
- Category
- Capacitor Polarised
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 220 µF capacitance at 25 V DC rating for robust bulk energy storage and power filtering
- Through-hole radial polarized package ensures easy manual and wave-soldering assembly
- Aluminum electrolytic construction delivers high capacitance density in a compact body
- Suitable for audio coupling, power supply decoupling, and motor drive filter stages
Applications
The ECE-A1EN221U is widely used in power supply filter circuits, audio amplifier coupling stages, and motor drive boards where 220 µF at 25 V DC is required. Its through-hole radial footprint suits prototype builds, repair work, and production assemblies using wave soldering. The polarized aluminum electrolytic design provides reliable long-term performance in consumer, industrial, and automotive accessory 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 capacitance and voltage does the ECE-A1EN221U support in power supply filter designs?
The ECE-A1EN221U provides 220 µF of capacitance at a 25 V DC rating, making it effective for smoothing rectified outputs, filtering ripple in linear power supplies, and decoupling bulk energy on 12 V to 24 V rails.
How does the radial through-hole package of the ECE-A1EN221U simplify board assembly?
The radial through-hole package allows the ECE-A1EN221U to be inserted into PCB holes and wave-soldered or hand-soldered with ease. This packaging style is standard for prototype and repair work, and the polarized leads ensure correct orientation when following the board's + marking.
For which voltage rails is the ECE-A1EN221U most suitable given its 25 V DC rating?
The ECE-A1EN221U is best suited for rails up to 25 V DC, typically 5 V, 12 V, or 15 V supplies, where its 220 µF capacitance provides effective low-frequency ripple filtering at 50 Hz to 120 Hz mains-derived frequencies and improves transient response in analog circuits.
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