ECQE4103KF
0.01uF 400V metallized polyester film capacitor, ECQ-E series, 10% tolerance, 105C rated, radial lead.
Product Overview
Description
The ECQE4103KF is a high-quality metallized polyester film capacitor from Panasonic's ECQ-E series, designed for general-purpose applications requiring stable capacitance and reliable performance. This 0.01uF capacitor with 400V rating is ideal for coupling, decoupling, and timing circuits.
Featuring Panasonic's advanced metallized film technology, this capacitor provides self-healing characteristics that enhance long-term reliability. The polyester dielectric offers good capacitance stability and moderate temperature characteristics suitable for most electronic applications.
The compact radial lead package enables easy PCB mounting and is compatible with automatic insertion equipment. This capacitor is RoHS compliant and suitable for consumer electronics, industrial controls, and power supply applications.
Product Series
ECQE
Primary Application
Coupling and decoupling circuits
Key Features
- Metallized polyester construction
- Self-healing properties
- High insulation resistance
- RoHS compliant
- Compact radial package
- Automatic insertion compatible
Specifications
| Capacitance | 0.01uF plus or minus 10% |
|---|---|
| Rated Voltage | 400V DC |
| Temperature Range | -40C to +105C |
| Tolerance | plus or minus 10% |
| Dissipation Factor | 1.0% max at 1kHz, 20C |
| Insulation Resistance | 30000 Mohm min at 20C |
| Lead Spacing | 5.0mm |
| Package | Radial lead |
Applications
Coupling and decoupling circuits
Electronic system design
Timing circuits
Electronic system design
Filter networks
Communication and interface
EMI suppression
Electronic system design
Power supply applications
Power conversion and supply
FAE Expert Insights
"The ECQE4103KF is a versatile film capacitor that I frequently recommend for general-purpose applications. The 400V rating provides excellent voltage margin for 120V/240V AC line applications when used in EMI filters or snubber circuits. The self-healing characteristic of metallized film construction provides enhanced reliability compared to foil types. In my experience, this capacitor performs well in power supply EMI filters, motor drive snubbers, and general coupling applications. The 10% tolerance is suitable for most applications, though tighter tolerances are available if needed. The compact 5mm lead spacing fits well in dense PCB layouts."
Reliable general-purpose film capacitor with self-healing properties
— James Wilson, BeiLuo
Frequently Asked Questions
What is the temperature coefficient of this capacitor?
The ECQE4103KF uses polyester (PET) dielectric which has a temperature coefficient of approximately +200 to +500 ppm/C. This means the capacitance increases slightly with temperature. Over the operating range of -40C to +105C, the capacitance can vary by approximately +/- 5% from the nominal value. This moderate temperature stability is suitable for most general-purpose applications. For applications requiring better temperature stability, consider the ECQ-P polypropylene series which has a near-zero temperature coefficient and typically varies less than +/- 2% over temperature. The temperature coefficient should be considered in precision timing circuits or applications where capacitance stability is critical.
Consider polypropylene series for applications requiring better temperature stability.
Can this capacitor be used for AC applications?
Yes, the ECQE4103KF can be used for AC applications with appropriate voltage derating. The 400V DC rating typically corresponds to approximately 200-250V AC RMS maximum, depending on the application and safety standards. For AC applications, ensure the peak AC voltage (1.414 x Vrms) does not exceed the DC rating. For 120V AC line applications, this capacitor provides adequate margin. For 240V AC applications, consider using a higher voltage rated part or two capacitors in series with balancing resistors. Film capacitors are non-polarized and can handle AC without the polarity constraints of electrolytic capacitors. Always verify compliance with applicable safety standards for AC line-connected applications.
Ensure peak AC voltage is within DC rating; use higher voltage parts for 240V AC applications.