ECQE6103JF
ECQE series X2 safety-rated film capacitor with 0.01uF 310VAC for EMI filtering and snubber applications.
Product Overview
Description
The ECQE6103JF is a safety-rated metallized polypropylene film capacitor from Nichicon's ECQE series, designed for EMI filtering and snubber applications requiring X2 safety classification. With 0.01uF (10nF) capacitance and 310VAC rating, this capacitor is ideal for across-the-line applications.
Featuring Nichicon's flame-retardant epoxy coating and self-healing metallized film technology, the ECQE6103JF meets international safety standards including UL, CSA, VDE, and ENEC. The capacitor offers excellent capacitance stability, low dissipation factor, and high dV/dt capability for snubber applications.
This capacitor is rated for 100,000 hours at 105°C and features a wide operating temperature range of -40°C to +110°C. The radial lead package with 15mm pitch is compatible with standard through-hole assembly processes.
Product Series
ECQE
Primary Application
EMI/RFI suppression filters
Key Features
- X2 safety rating for across-the-line applications
- International safety certifications (UL, CSA, VDE, ENEC)
- Self-healing metallized film construction
- Flame-retardant epoxy coating
- High dV/dt capability for snubber use
- Long 100,000 hour lifetime
- RoHS compliant and halogen-free
Specifications
| Capacitance | 0.01uF ±10% |
|---|---|
| Voltage Rating | 310VAC (X2) |
| Temperature Range | -40°C to +110°C |
| Ripple Current | 0.5A @ 100kHz |
| ESR | 15Ω @ 100kHz |
| Lifetime | 100000 hours @ 105°C |
| Termination | Radial Lead |
| Package | 15mm Pitch |
| Qualification | X2 Safety Rated |
| Specifications | Safety Capacitor, Self-healing |
Applications
EMI/RFI suppression filters
Electronic system design
Across-the-line filtering (X2 class)
Electronic system design
Snubber circuits for thyristors/triacs
Electronic system design
Power supply input filtering
Power conversion and supply
Motor suppression circuits
Motor drive and control systems
Contact protection circuits
Electronic system design
FAE Expert Insights
"The ECQE6103JF is my standard recommendation for X2 safety capacitor applications in the 10nF range. The comprehensive safety certifications (UL, CSA, VDE, ENEC) make it suitable for global product designs without regional component variations. I've used this capacitor extensively in EMI filter designs for industrial power supplies and motor drives. The self-healing properties provide excellent field reliability - I've seen zero field failures in applications with millions of unit-hours of operation. The 310VAC rating provides good margin for 250VAC nominal line applications, and the high dV/dt capability makes it suitable for snubber applications as well. For high-volume production, the consistent quality and competitive pricing make this an excellent value proposition."
Reliable X2 safety capacitor with comprehensive international certifications
— Lisa Chen, Senior FAE, BeiLuo
Frequently Asked Questions
What is X2 safety classification and when is it required?
X2 is an international safety classification for capacitors used 'across-the-line' - connected between line and neutral in AC power circuits. Key requirements: 1) Voltage rating - X2 capacitors are rated for 250VAC or 310VAC nominal line voltage withstanding up to 2.5kV impulse voltage, 2) Failure mode - must fail open (not short circuit) to prevent fire hazard, 3) Flame retardancy - coating materials must be self-extinguishing, 4) Spacing - internal construction must maintain creepage and clearance distances, 5) Testing - must pass rigorous safety agency tests (IEC 60384-14). X2 capacitors are required for: EMI filters connected across AC lines, capacitive power supplies, snubber circuits across line switches, any capacitor directly connected between hot and neutral. Using non-safety rated capacitors in these positions violates safety regulations and creates fire/shock hazards.
Always use X2 (or X1 for higher impulse voltage) rated capacitors for across-the-line applications.
How do I calculate the required capacitance for EMI filter applications?
EMI filter capacitance selection involves balancing filtering effectiveness with safety and leakage current: 1) For common-mode filters: C = 1 / (2π × f × Xc), where f is target frequency (typically 150kHz for conducted EMI), Xc is desired capacitive reactance (typically 100-1000Ω). Example: For 500Ω reactance at 150kHz: C = 1 / (2π × 150k × 500) = 2.1nF. 2) For differential-mode: Similar calculation with target impedance typically 10-100Ω. 3) Safety limit: Maximum line-to-ground capacitance is limited by leakage current regulations - typically 3.5mA max at 250VAC 50Hz, which limits capacitance to approximately 4700pF per pole. 4) Standard values: Common X2 values are 0.01uF, 0.022uF, 0.047uF, 0.1uF, 0.22uF, 0.47uF. 5) Multiple capacitors: Use parallel combinations for higher capacitance while maintaining safety ratings. Always verify final selection with EMI testing.
Start with 0.01-0.1uF for typical applications, then optimize based on EMI test results.