Equivalent & Substitute Parts for ECK-DNA222ME

Part Overview

The ECK-DNA222ME is a 2200 pF ceramic capacitor rated at 250VAC with Y5U temperature coefficient, manufactured by Panasonic Electronic Components. This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing applications requiring 2200 pF capacitance in safety-rated circuits. The radial, disc package configuration with through-hole mounting remains consistent across available alternatives.

Substiute Parts

ECK-DNA222ME

Panasonic Electronic ComponentsIn Stock: 1109ECK-DNA222ME Datasheet

Current PartRFQ

DE1E3RB222MA4BR01F

Murata ElectronicsIn Stock: 808DE1E3RB222MA4BR01F Datasheet

SimilarRFQ

DE1E3RB222MJ4BR01F

Murata ElectronicsIn Stock: 1165DE1E3RB222MJ4BR01F Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the ECK-DNA222ME is determined by the following critical parameters:

• Capacitance Value: 2200 pF (exact match required)
• Tolerance: ±20% (exact match required)
• Voltage Rating: Minimum 250VAC (equal or higher voltage rating is acceptable)
• Temperature Coefficient: Y5U or E classification (functionally equivalent for this application)
• Mounting Configuration: Through-hole radial disc package (physical compatibility)
• Physical Dimensions: 0.433" diameter, 0.394" lead spacing (PCB layout compatibility)
• Safety Ratings: X1, Y1 (required for safety-critical applications)

The substitute parts identified—DE1E3RB222MA4BR01F and DE1E3RB222MJ4BR01F—meet all substitution criteria. Both are manufactured by Murata Electronics and feature 500VAC voltage ratings, which exceed the original 250VAC specification, providing enhanced safety margin in the application circuit.

Parameter Comparison

Engineering Selection Recommendations

Both Murata substitute parts—DE1E3RB222MA4BR01F and DE1E3RB222MJ4BR01F—are functionally equivalent to the obsolete ECK-DNA222ME. Selection between these two Murata alternatives should be based on inventory availability and procurement lead times, as both parts are electrically and mechanically identical.

The Murata substitutes offer the following advantages over the original part:

• Active Product Status: Both parts are currently in active production, ensuring long-term availability and supply chain stability.
• Enhanced Compliance: Both parts are ROHS3 compliant, meeting current environmental and regulatory requirements.
• Improved Voltage Margin: The 500VAC rating provides a 2× safety factor compared to the original 250VAC specification.
• Extended Temperature Range: Operating range of -40°C to 125°C exceeds the original -25°C to 85°C specification.

Direct PCB substitution is supported without layout modifications due to identical physical dimensions and lead spacing.

Frequently Asked Questions (FAQ)

Q: Can DE1E3RB222MA4BR01F and DE1E3RB222MJ4BR01F be used interchangeably?

A: Yes. Both parts are electrically and mechanically identical, with matching capacitance, tolerance, voltage rating, temperature coefficient, physical dimensions, and lead spacing. Selection between them should be based solely on inventory availability and delivery schedule.

Q: Why do the substitute parts have a higher voltage rating (500VAC vs. 250VAC)?

A: Higher voltage ratings are acceptable substitutes for lower-rated applications. The 500VAC rating provides additional safety margin and does not negatively impact circuit performance when the application requires only 250VAC operation.

Q: Are the substitute parts physically compatible with the original PCB layout?

A: Yes. Both Murata parts maintain identical physical dimensions (0.433" diameter), height (0.551" maximum), and lead spacing (0.394") as the original ECK-DNA222ME, enabling direct PCB substitution without layout modifications.

Q: What is the significance of the temperature coefficient change from Y5U to E?

A: Both Y5U and E temperature coefficients are classified within the same functional category for ceramic capacitors in safety applications. The E coefficient of the Murata substitutes operates within the same performance parameters required for this application.

Q: Are the substitute parts suitable for safety-critical applications?

A: Yes. Both DE1E3RB222MA4BR01F and DE1E3RB222MJ4BR01F maintain X1, Y1 safety ratings identical to the original part, confirming suitability for safety-critical circuit applications.

Q: What is the compliance status of the substitute parts?

A: Both Murata substitutes are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. The original ECK-DNA222ME is RoHS non-compliant.