ECK-DNA472ME Equivalent & Substitute Parts

Part Overview

The ECK-DNA472ME is a 4700 pF ceramic capacitor rated for 250VAC with Y5U temperature coefficient, manufactured by Panasonic Electronic Components. This component is classified as obsolete, making identification of equivalent substitute parts essential for ongoing system support and component procurement.

The part is designed for safety-rated applications (X1, Y1 ratings) and features radial, disc-type construction with through-hole mounting. Due to its obsolete status, active equivalent alternatives from current manufacturers are necessary to maintain design continuity and ensure supply chain availability.

Key Parameters

Parameter	Value
Capacitance	4700 pF
Tolerance	±20%
Voltage Rating	250VAC
Temperature Coefficient	Y5U (E)
Operating Temperature Range	-25°C ~ 85°C
Safety Ratings	X1, Y1
Mounting Type	Through Hole
Package Type	Radial, Disc
Lead Spacing	0.394" (10.00mm)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the ECK-DNA472ME are qualified based on the following electrical and mechanical parameters:

Electrical Compatibility:

Capacitance value: 4700 pF (exact match required)
Tolerance: ±20% (exact match required)
Safety ratings: X1, Y1 (exact match required)
Lead spacing: 0.394" (10.00mm) (exact match required for PCB compatibility)

Mechanical Compatibility:

Mounting type: Through Hole (exact match required)
Package type: Radial, Disc (exact match required)
Lead style: Straight (exact match required)

Allowable Variations:

Voltage rating: Substitute parts may exceed the original 250VAC rating, provided the higher voltage does not create design conflicts
Temperature coefficient: Substitute parts with E coefficient are acceptable as E is a subset of Y5U performance
Operating temperature range: Substitute parts with extended ranges (-40°C ~ 125°C) are acceptable
RoHS compliance: Upgrade from non-compliant to ROHS3 compliant is acceptable

The substitute parts DE1E3RB472MA4BR01F and DE1E3RB472MJ4BR01F meet all electrical and mechanical compatibility criteria.

Parameter Comparison

Parameter	ECK-DNA472ME (Main)	DE1E3RB472MA4BR01F	DE1E3RB472MJ4BR01F
Manufacturer	Panasonic Electronic Components	Murata Electronics	Murata Electronics
Capacitance	4700 pF	4700 pF	4700 pF
Tolerance	±20%	±20%	±20%
Voltage Rating	250VAC	500VAC	500VAC
Temperature Coefficient	Y5U (E)	E	E
Operating Temperature	-25°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C
Safety Ratings	X1, Y1	X1, Y1	X1, Y1
Mounting Type	Through Hole	Through Hole	Through Hole
Package Type	Radial, Disc	Radial, Disc	Radial, Disc
Size (Diameter)	0.630" (16.00mm)	0.551" (14.00mm)	0.551" (14.00mm)
Height (Seated Max)	0.748" (19.00mm)	0.669" (17.00mm)	0.669" (17.00mm)
Lead Spacing	0.394" (10.00mm)	0.394" (10.00mm)	0.394" (10.00mm)
Product Status	Obsolete	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Both DE1E3RB472MA4BR01F and DE1E3RB472MJ4BR01F are qualified substitutes for the ECK-DNA472ME based on electrical and mechanical parameter alignment.

Advantages of Murata Substitutes:

Active product status ensures long-term availability and supply chain continuity
ROHS3 compliance meets current environmental and regulatory requirements
Extended operating temperature range (-40°C ~ 125°C) provides broader application flexibility
Higher voltage rating (500VAC) offers additional safety margin in circuit design
Smaller physical dimensions (0.551" diameter, 0.669" height) may provide PCB layout benefits

Physical Dimension Consideration: The substitute parts are physically smaller than the original ECK-DNA472ME. Verify PCB layout and mechanical clearances before implementation to ensure the reduced footprint does not create assembly or thermal management conflicts.

Frequently Asked Questions (FAQ)

Q: Can DE1E3RB472MA4BR01F and DE1E3RB472MJ4BR01F be used interchangeably with ECK-DNA472ME?

A: Yes. Both parts meet the electrical and mechanical requirements for substitution. They share identical capacitance (4700 pF), tolerance (±20%), safety ratings (X1, Y1), lead spacing (10.00mm), and mounting configuration (through-hole radial disc). The substitute parts exceed the original voltage specification and provide extended temperature range operation.

Q: What is the difference between DE1E3RB472MA4BR01F and DE1E3RB472MJ4BR01F?

A: Both parts are electrically and mechanically identical. The difference lies in packaging designation (MA vs. MJ suffix). Verify packaging requirements with your procurement specification before selection.

Q: Will the smaller physical size of the substitute parts affect PCB assembly?

A: The substitute parts are smaller in diameter (0.551" vs. 0.630") and height (0.669" vs. 0.748"). Lead spacing remains identical at 0.394" (10.00mm). Confirm PCB layout compatibility, mechanical clearances, and thermal considerations before implementation.

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

A: Yes. Both DE1E3RB472MA4BR01F and DE1E3RB472MJ4BR01F carry X1, Y1 safety ratings, matching the original ECK-DNA472ME specification for safety-critical circuit applications.

Q: What is the significance of the higher 500VAC rating on the substitute parts?

A: The 500VAC rating on the Murata substitutes provides a 2:1 safety margin compared to the original 250VAC specification. This higher rating does not create compatibility issues and may improve circuit reliability in applications subject to voltage transients or overvoltage conditions.

Q: Are the substitute parts RoHS compliant?

A: Yes. Both DE1E3RB472MA4BR01F and DE1E3RB472MJ4BR01F are ROHS3 compliant, meeting current environmental and regulatory requirements. The original ECK-DNA472ME is RoHS non-compliant.

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