ECA-2EM221 Panasonic Capacitor Polarised (Capacitor, Polarized Radial Diameter) In Stock
Panasonic ECA-2EM221 is a 220 µF, 250 V radial electrolytic capacitor with 20% tolerance, designed for high-voltage power supply filtering, bulk energy storage, and industrial power conversion applications requiring reliable long-life performance.
- Manufacturer
- Panasonic
- Package
- Capacitor, Polarized Radial Diameter
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ECA-2EM221 Datasheet PDF
- Category
- Capacitor Polarised
- Price
- From $1.8973(MOQ 50)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 220 µF capacitance with 20% tolerance for high-voltage bulk energy storage
- 250 V rated voltage suits high-voltage power supply and industrial designs
- Radial lead through-hole package for easy PCB mounting and vibration resistance
- Long service life aluminum electrolytic construction for reliable operation
- Suitable for operating temperatures ranging from -40°C to +85°C
Applications
The ECA-2EM221 is widely used in AC-DC power supplies, industrial inverters, and motor drive circuits where high-voltage bulk capacitance is essential. It provides reliable energy storage and filtering in applications such as UPS systems, welding equipment, and variable-frequency drives. Its 250 V rating and radial form factor make it a practical choice for through-hole PCB designs requiring long operational life.
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 voltage and capacitance ratings define the ECA-2EM221, and which power supply designs does it suit?
The ECA-2EM221 is rated at 250 V with 220 µF capacitance and 20% tolerance. These specifications make it well suited for high-voltage bulk filtering stages in AC-DC power supplies, industrial inverters, and motor drives requiring stable energy storage at elevated voltages.
How does the ECA-2EM221's radial package affect PCB layout and mechanical stability in industrial equipment?
The ECA-2EM221 uses a radial through-hole package, which allows straightforward PCB mounting with axial lead spacing suited for wave soldering. The radial form factor provides good mechanical retention, making it resistant to vibration in industrial enclosures and motor-drive panels operating at up to 85°C.
When should an engineer choose ECA-2EM221 over a lower-voltage 220 µF aluminum electrolytic capacitor?
Engineers select the ECA-2EM221 when the DC bus voltage exceeds safe derating limits of lower-rated parts. With a 250 V rating, it provides adequate headroom for rectified 120 V or 230 V mains, where a 100 V-rated 220 µF part would fail or have severely reduced reliability and service life.
What is the expected operating temperature range for the ECA-2EM221, and how does this affect application suitability?
The ECA-2EM221 is designed for operation from -40°C to +85°C, making it suitable for industrial and outdoor equipment exposed to wide thermal swings. This temperature range covers most standard industrial power electronics, HVAC control boards, and motor drives found in factory automation environments.
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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 |
|---|---|---|
| 50+ | $3.0700 | $153.50 |
| 100+ | $1.8973 | $189.73 |
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