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ECK-ANA472ME Equivalent & Substitute Parts
Part Overview
The Panasonic ECK-ANA472ME is a 4700 pF ceramic capacitor rated for 440VAC with Y5U temperature coefficient, designed for safety-critical applications requiring X1, Y1 ratings. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts that maintain electrical and mechanical compatibility while meeting current safety standards and compliance requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 4700 pF |
| Tolerance | ±20% |
| Voltage Rating | 440VAC |
| Temperature Coefficient | Y5U (E) |
| Operating Temperature Range | -25°C ~ 125°C |
| Safety Ratings | X1, Y1 |
| Mounting Type | Through Hole |
| Package Type | Radial, Disc |
| Size / Dimension | 0.630" Dia (16.00mm) |
| Lead Spacing | 0.394" (10.00mm) |
Substitute Part Grouping Explanation
Substitution eligibility is determined by the following critical parameters:
- Capacitance: Must be 4700 pF ±20%
- Temperature Coefficient: Must be Y5U (E)
- Safety Ratings: Must maintain X1, Y1 classifications
- Mounting Type: Must be Through Hole with Radial, Disc configuration
- Lead Spacing: Must be 0.394" (10.00mm)
- Voltage Rating: Must equal or exceed 440VAC
The substitute parts identified are grouped into two categories:
Upgrade Substitutes (Vishay Beyschlag/Draloric/BC Components VY1 Series): Parts with 760VAC rating, exceeding the original 440VAC specification while maintaining all other electrical and mechanical parameters. These components are active products with RoHS3 compliance.
Similar Substitute (KEMET C971U Series): Part with 400VAC rating, which is below the original specification but maintains capacitance, tolerance, temperature coefficient, and safety ratings. This part has different physical dimensions (0.551" Dia vs. 0.630" Dia).
Parameter Comparison
| Part Number | Manufacturer | Capacitance | Tolerance | Voltage Rating | Temp Coeff | Operating Temp | Safety Ratings | Size / Dimension | Lead Spacing | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ECK-ANA472ME | Panasonic | 4700 pF | ±20% | 440VAC | Y5U (E) | -25°C ~ 125°C | X1, Y1 | 0.630" (16.00mm) | 0.394" (10.00mm) | Obsolete | Not Applicable |
| VY1472M63Y5UQ63L0 | Vishay | 4700 pF | ±20% | 760VAC | Y5U (E) | -40°C ~ 125°C | X1, Y1 | 0.630" (16.00mm) | 0.394" (10.00mm) | Active | RoHS3 Compliant |
| VY1472M63Y5UG63V0 | Vishay | 4700 pF | ±20% | 760VAC | Y5U (E) | -40°C ~ 125°C | X1, Y1 | 0.630" (16.00mm) | 0.394" (10.00mm) | Active | RoHS3 Compliant |
| VY1472M63Y5UG6UV0 | Vishay | 4700 pF | ±20% | 760VAC | Y5U (E) | -40°C ~ 125°C | X1, Y1 | 0.630" (16.00mm) | 0.394" (10.00mm) | Active | RoHS3 Compliant |
| VY1472M63Y5UQ63V0 | Vishay | 4700 pF | ±20% | 760VAC | Y5U (E) | -40°C ~ 125°C | X1, Y1 | 0.630" (16.00mm) | 0.394" (10.00mm) | Active | RoHS3 Compliant |
| VY1472M63Y5UQ64V0 | Vishay | 4700 pF | ±20% | 760VAC | Y5U (E) | -40°C ~ 125°C | X1, Y1 | 0.630" (16.00mm) | 0.394" (10.00mm) | Active | RoHS3 Compliant |
| C971U472MUWDBA7317 | KEMET | 4700 pF | ±20% | 400VAC | Y5U (E) | -40°C ~ 125°C | X1, Y1 | 0.551" (14.00mm) | 0.394" (10.00mm) | Active | RoHS3 Compliant |
Engineering Selection Recommendations
Preferred Substitutes: The Vishay Beyschlag/Draloric/BC Components VY1 series parts (VY1472M63Y5UQ63L0, VY1472M63Y5UG63V0, VY1472M63Y5UG6UV0, VY1472M63Y5UQ63V0, VY1472M63Y5UQ64V0) are recommended as primary replacements. These parts maintain identical physical dimensions, lead spacing, and safety ratings while providing higher voltage rating (760VAC vs. 440VAC). All VY1 series substitutes are active products with RoHS3 compliance and REACH unaffected status, ensuring long-term availability and regulatory compliance.
Alternative Consideration: The KEMET C971U472MUWDBA7317 maintains electrical specifications and safety ratings but features a smaller physical diameter (0.551" vs. 0.630"). This part is suitable only if PCB layout accommodates the reduced component size. The 400VAC rating is below the original specification and should be evaluated against circuit voltage requirements.
Frequently Asked Questions (FAQ)
Q: Can VY1 series parts with 760VAC rating directly replace the 440VAC ECK-ANA472ME?
A: Yes. Higher voltage rating provides additional safety margin in the circuit. All VY1 substitutes maintain identical capacitance, tolerance, temperature coefficient, safety ratings (X1, Y1), physical dimensions, and lead spacing as the original part.
Q: What is the difference between the various VY1 part numbers?
A: The VY1 series substitutes differ in lead style specifications (Straight vs. Formed Leads - Kinked) and packaging format (Bulk vs. other configurations). Electrical performance and physical dimensions remain identical across all variants.
Q: Is the KEMET C971U472MUWDBA7317 a direct replacement?
A: The KEMET part maintains electrical specifications and safety ratings but has a smaller physical diameter (0.551" vs. 0.630"). PCB layout compatibility must be verified before selection. The 400VAC rating is below the original 440VAC specification.
Q: Are all substitute parts RoHS compliant?
A: All identified substitute parts are RoHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic components.
Q: What is the significance of the Y5U temperature coefficient?
A: Y5U indicates a ceramic capacitor with ±15% capacitance change over the operating temperature range of -30
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