ECA-2DM4R7B Equivalent & Substitute Parts

Part Overview

The ECA-2DM4R7B is a 4.7 µF, 200 V aluminum electrolytic capacitor in radial configuration manufactured by Panasonic Electronic Components. This component is rated for 2000 hours at 85°C and is designed for general-purpose applications requiring through-hole mounting. The part is currently active in production with ROHS3 compliance and REACH unaffected status. Substitute parts are identified to provide alternatives with enhanced voltage ratings or improved thermal performance while maintaining core electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Capacitance	4.7 µF
Voltage - Rated	200 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-25°C ~ 85°C
Lead Spacing	0.197" (5.00mm)
Size / Dimension	0.315" Dia (8.00mm)
Height - Seated (Max)	0.492" (12.50mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
Polarization	Polar

Substitute Part Grouping Explanation

Substitute parts for the ECA-2DM4R7B are qualified based on the following criteria:

Electrical Compatibility:

Identical capacitance value: 4.7 µF
Identical tolerance: ±20%
Voltage rating equal to or greater than 200 V
Polar configuration maintained

Mechanical Compatibility:

Identical lead spacing: 0.197" (5.00mm)
Identical case diameter: 0.315" Dia (8.00mm)
Identical maximum seated height: 0.492" (12.50mm)
Through-hole radial mounting configuration

Regulatory Compliance:

ROHS3 compliant
REACH unaffected status

The identified substitutes meet all mechanical and electrical requirements while offering enhanced voltage ratings or improved thermal performance characteristics.

Parameter Comparison

Parameter	ECA-2DM4R7B (Main)	ECA-2EM4R7B	ECA-2EHG4R7B
Capacitance	4.7 µF	4.7 µF	4.7 µF
Voltage - Rated	200 V	250 V	250 V
Tolerance	±20%	±20%	±20%
Lifetime @ Temperature	2000 Hrs @ 85°C	2000 Hrs @ 85°C	2000 Hrs @ 105°C
Operating Temperature Range	-25°C ~ 85°C	-25°C ~ 85°C	-25°C ~ 105°C
Lead Spacing	0.197" (5.00mm)	0.197" (5.00mm)	0.197" (5.00mm)
Size / Dimension	0.315" Dia (8.00mm)	0.315" Dia (8.00mm)	0.315" Dia (8.00mm)
Height - Seated (Max)	0.492" (12.50mm)	0.492" (12.50mm)	0.492" (12.50mm)
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can
Polarization	Polar	Polar	Polar
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both substitute parts maintain full mechanical and electrical compatibility with the ECA-2DM4R7B while offering enhanced specifications:

ECA-2EM4R7B provides a 50 V voltage rating increase (250 V vs. 200 V) within the same thermal performance envelope (2000 Hrs @ 85°C). This part is suitable for applications requiring higher voltage margin while maintaining identical temperature characteristics.

ECA-2EHG4R7B provides both a 50 V voltage rating increase (250 V vs. 200 V) and extended thermal performance (2000 Hrs @ 105°C vs. 2000 Hrs @ 85°C), with an expanded operating temperature range (-25°C ~ 105°C). This part is suitable for applications requiring enhanced thermal stability and higher voltage tolerance.

All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original component.

Frequently Asked Questions (FAQ)

Q: Can ECA-2EM4R7B or ECA-2EHG4R7B be used as direct replacements for ECA-2DM4R7B?

A: Yes. Both substitute parts maintain identical capacitance (4.7 µF), tolerance (±20%), lead spacing (5.00mm), case diameter (8.00mm), and maximum seated height (12.50mm). The through-hole radial mounting configuration is identical. Mechanical and electrical compatibility is confirmed.

Q: What is the primary difference between the two substitute parts?

A: ECA-2EM4R7B maintains the same thermal rating as the original (2000 Hrs @ 85°C) while offering increased voltage rating (250 V). ECA-2EHG4R7B offers both increased voltage rating (250 V) and enhanced thermal performance (2000 Hrs @ 105°C with extended operating temperature range to 105°C).

Q: Are there any packaging differences between these parts?

A: The main part ECA-2DM4R7B is supplied in Tape & Box (TB) packaging. Both substitute parts are supplied in Cut Tape (CT) packaging. Physical component dimensions and mounting characteristics remain identical.

Q: Do all parts meet the same regulatory requirements?

A: Yes. ECA-2DM4R7B, ECA-2EM4R7B, and ECA-2EHG4R7B are all ROHS3 compliant and REACH unaffected, ensuring equivalent regulatory status.

Q: Which substitute should be selected for high-temperature applications?

A: ECA-2EHG4R7B is specified for operation up to 105°C with 2000 hours lifetime at that temperature, compared to 85°C maximum for the other parts. Selection depends on the specific thermal requirements of the application.

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