ECW-U1123KC9 Panasonic Capacitor (Other) In Stock
Panasonic ECW-U1123KC9 is a 12 nF stacked metallized PPS (polyphenylene sulfide) film capacitor rated at 100 V DC with ±10% tolerance, featuring a mold-less construction for excellent thermal stability and low dielectric loss. Ideal for high-frequency filtering, resonant circuits, and precision timing applications in automotive and industrial electronics.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ECW-U1123KC9 Datasheet PDF
- Category
- Capacitor
- Price
- From $0.0640(MOQ 50)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ECW-U1123KC9?
- 12 nF capacitance with 100 V DC rating and ±10% tolerance
- Stacked metallized PPS film dielectric for superior thermal stability up to 150°C
- Mold-less construction reduces mechanical stress and improves long-term reliability
- Low dielectric loss (low tan δ) for high-Q resonant and filtering circuits
- Self-healing metallized electrode technology for enhanced operational safety
- Compact body suitable for SMT or through-hole PCB mounting in space-constrained designs
What is ECW-U1123KC9 used for?
The ECW-U1123KC9 is widely used in automotive electronics, industrial inverters, and precision analog signal conditioning circuits requiring a stable 12 nF capacitance at 100 V. Its PPS film dielectric provides excellent frequency response up to several MHz, making it suitable for EMI filter networks, resonant tank circuits in DC-DC converters, and timing elements in high-temperature environments where ceramic capacitors may exhibit unacceptable piezoelectric or dielectric variation.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the ECW-U1123KC9 datasheet?
ECW-U1123KC9 Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ECW-U1123KC9?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What voltage rating and capacitance does the ECW-U1123KC9 offer for power electronics filter circuits?
The Panasonic ECW-U1123KC9 is rated at 100 V DC with a capacitance of 12 nF and ±10% tolerance. This combination makes it suitable for high-voltage filtering, snubber, and resonant circuits in DC-DC converters, motor drives, and industrial power electronics operating below 100 V.
How does the PPS film dielectric of the ECW-U1123KC9 compare to standard polyester film capacitors in temperature-sensitive designs?
The ECW-U1123KC9 uses a polyphenylene sulfide (PPS) film dielectric that maintains stable capacitance from -55°C to +150°C with very low temperature coefficient. Standard polyester (PET) film capacitors exhibit higher capacitance drift above 85°C, making PPS film like the ECW-U1123KC9 the preferred choice for automotive engine bay and high-temperature industrial applications.
Is the ECW-U1123KC9 suitable for high-frequency resonant or EMI filter applications, and what loss characteristics does it have?
Yes, the ECW-U1123KC9 is well suited for high-frequency resonant and EMI filter circuits up to several MHz, owing to the inherently low dielectric loss (low tan δ) of PPS film. This 12 nF, 100 V capacitor maintains low equivalent series resistance (ESR), enabling high-Q resonant tanks and sharp EMI attenuation filter designs.
What is the self-healing property of the ECW-U1123KC9, and how does it affect long-term reliability in service?
The ECW-U1123KC9 uses a self-healing metallized electrode construction where localized dielectric breakdown events cause the thin metal film to evaporate around the fault site, isolating the defect and restoring capacitor function. This self-healing mechanism extends the operational life of the 12 nF, 100 V PPS film capacitor, particularly in circuits with occasional voltage transients.
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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+ | $0.6286 | $31.43 |
| 100+ | $0.5761 | $57.61 |
| 500+ | $0.4874 | $243.71 |
| 3000+ | $0.0640 | $192.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
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