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
What are the key features of ECA-2EM221?
- 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
What is ECA-2EM221 used for?
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) |
Where can I find the ECA-2EM221 datasheet?
ECA-2EM221 Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ECA-2EM221?
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.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 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+ | $3.0700 | $153.50 |
| 100+ | $1.8973 | $189.73 |
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.”
You May Also Like
TPSD477M006R0100
AVX
Capacitor Polarised
TPSD227M006R0100
AVX
Capacitor Polarised
TPSD157M010R0100
AVX
Capacitor Polarised
TAJY686K020RNJ
AVX
Capacitor Polarised
TAJY685K050RNJ
AVX
Capacitor Polarised
TAJY107K016RNJ
AVX
Capacitor Polarised
TAJW475K035RNJ
AVX
Capacitor Polarised
TAJT106K016R
AVX
Capacitor Polarised
TAJR225M010R
AVX
Capacitor Polarised
TAJR225K016RNJ
AVX
Capacitor Polarised
TAJR106M006R
AVX
Capacitor Polarised
TAJE686M025R
AVX
Capacitor Polarised
TAJE476M035R
AVX
Capacitor Polarised
TAJE227M016R
AVX
Capacitor Polarised
TAJD476M025R
AVX
Capacitor Polarised
TAJD475M050R
AVX
Capacitor Polarised
TAJD227M010R
AVX
Capacitor Polarised
TAJD227K006RNJ
AVX
Capacitor Polarised
TAJD226M035R
AVX
Capacitor Polarised
TAJD226M020R
AVX
Capacitor Polarised
TAJD107M016R
AVX
Capacitor Polarised
TAJD107M010R
AVX
Capacitor Polarised
TAJC335M035RNJ
AVX
Capacitor Polarised
TAJC226M025RNJ
AVX
Capacitor Polarised