ECW-U1C334JC9 Panasonic Capacitor (Capacitor Chip Non-polarised) In Stock
The ECW-U1C334JC9 is a Panasonic ECW-U series SMD polyester (PEN) film capacitor with 0.33 µF capacitance, ±5% tolerance, and 16 V DC rating, offering stable non-polarized performance in a compact chip package for signal coupling and filtering applications.
- Manufacturer
- Panasonic
- Package
- Capacitor Chip Non-polarised
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ECW-U1C334JC9 Datasheet PDF
- Category
- Capacitor
- Price
- From $0.1505(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Non-polarized PEN film dielectric provides superior self-healing and low distortion compared to ceramic X5R or Y5V capacitors
- ±5% tight tolerance ensures predictable filter cutoff frequencies in audio crossover and signal conditioning circuits
- 16 V DC rating with film dielectric guarantees no capacitance loss under bias voltage, unlike MLCC ceramics
- SMD chip package enables automated reflow assembly in compact consumer electronics and audio equipment boards
Applications
The ECW-U1C334JC9 is well suited for audio coupling, EMI suppression bypass, and precision RC filter networks where the 0.33 µF PEN film capacitor's stable capacitance under applied voltage and low distortion outperform ceramic alternatives at 16 V. It is commonly used in audio amplifier signal paths, class-D speaker driver boards, and sensor signal conditioning circuits that require ±5% capacitance accuracy to maintain exact cutoff frequencies. The SMD format allows this capacitor to be integrated into high-density consumer electronics, including portable audio players, hearing aids, and compact IoT sensor modules.
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
Why choose ECW-U1C334JC9 PEN film over a 0.33 µF ceramic MLCC at the same voltage?
PEN film capacitors like ECW-U1C334JC9 maintain their 0.33 µF capacitance within ±5% across the full 16 V rating with virtually no voltage coefficient effect, whereas a typical X7R MLCC of the same value can lose 30% to 50% of capacitance at rated voltage; for audio or precision filter applications, the film type ensures the designed RC time constant or cutoff frequency holds true at operating conditions.
What RC filter cutoff can be designed with ECW-U1C334JC9 and a standard resistor?
Paired with a 4.7 kΩ resistor, ECW-U1C334JC9 (0.33 µF) yields a first-order low-pass cutoff of f = 1 / (2π × 4700 × 0.00000033) ≈ 102 Hz, suitable for audio bass filtering; with a 470 Ω resistor the cutoff shifts to approximately 1.02 kHz, and with a 47 Ω resistor to about 10.2 kHz, covering a wide range of audio and signal conditioning applications.
Is ECW-U1C334JC9 rated for AC signal use, or only DC bias applications?
As a non-polarized film capacitor, ECW-U1C334JC9 is fully suitable for AC signal coupling and filtering applications; it can handle AC voltages up to the peak equivalent of its 16 V DC rating, typically around 11 V AC rms, making it appropriate for audio line-level signals (typically under 2 V rms) and low-voltage analog signal buses.
What SMD package size does ECW-U1C334JC9 use, and how does it affect automated assembly?
The ECW-U1C334JC9 is housed in a compact SMD chip capacitor body approximately 4.5 mm × 3.2 mm × 2.0 mm tall, compatible with standard reflow solder profiles peaking at 260°C; its chip format supports pick-and-place nozzle placement on standard SMT lines, and the 8 mm or 12 mm tape-and-reel packaging option minimizes feeder changeovers in high-volume production runs.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.1531 | $0.15 |
| 10+ | $0.1505 | $1.50 |
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