ECA-2VM470 Equivalent & Substitute Parts

Part Overview

The ECA-2VM470 is a 47 µF, 350 V aluminum electrolytic capacitor in radial, can package manufactured by Panasonic Electronic Components. This general-purpose capacitor is rated for 2000 hours at 85°C and is ROHS3 compliant. The part is currently active in production with 832 units in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements demand enhanced performance characteristics such as extended lifetime or higher voltage ratings, or when application-specific certifications such as AEC-Q200 automotive qualification are required.

Key Parameters

Parameter	Value
Capacitance	47 µF
Voltage Rating	350 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-25°C ~ 85°C
Lead Spacing	0.295" (7.50 mm)
Package / Case	Radial, Can
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the ECA-2VM470 is determined by the following criteria:

Mandatory Parameters (Must Match):

Capacitance: 47 µF
Tolerance: ±20%
Lead Spacing: 0.295" (7.50 mm)
Package / Case: Radial, Can
Mounting Type: Through Hole
Polarization: Polar

Allowable Variation Parameters:

Voltage Rating: Equal to or greater than 350 V
Operating Temperature Range: Equal to or greater than the original range
Lifetime @ Temperature: May vary based on application requirements
Manufacturer: Different manufacturers acceptable if electrical and mechanical parameters align

Substitute parts are grouped into two categories:

Direct Substitutes (Equivalent Performance): Parts with identical or superior electrical characteristics that maintain the same voltage rating (350 V) or higher, with compatible thermal and mechanical specifications.

Upgrade Substitutes (Enhanced Performance): Parts with higher voltage ratings (400 V, 450 V) or extended lifetime ratings that provide design margin and improved reliability for demanding applications.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ Temp.	Operating Temp. Range	Lead Spacing	Height (Max)	Ripple Current @ 120 Hz	RoHS Status
ECA-2VM470	Panasonic	47 µF	350 V	2000 Hrs @ 85°C	-25°C ~ 85°C	0.295" (7.50 mm)	1.063" (27.00 mm)	325 mA @ 120 Hz	ROHS3
ECA-2VHG470	Panasonic	47 µF	350 V	2000 Hrs @ 105°C	-25°C ~ 105°C	0.295" (7.50 mm)	1.063" (27.00 mm)	230 mA @ 120 Hz	ROHS3
EEU-EE2V470	Panasonic	47 µF	350 V	10000 Hrs @ 105°C	-25°C ~ 105°C	0.295" (7.50 mm)	1.063" (27.00 mm)	374.5 mA @ 120 Hz	ROHS3
EEU-EE2G470	Panasonic	47 µF	400 V	10000 Hrs @ 105°C	-25°C ~ 105°C	0.295" (7.50 mm)	1.063" (27.00 mm)	413 mA @ 120 Hz	ROHS3
400BXC47MEFC16X25	Rubycon	47 µF	400 V	12000 Hrs @ 105°C	-25°C ~ 105°C	0.295" (7.50 mm)	1.063" (27.00 mm)	472 mA @ 120 Hz	ROHS3
450BXW47MEFR16X25	Rubycon	47 µF	450 V	12000 Hrs @ 105°C	-40°C ~ 105°C	0.295" (7.50 mm)	1.063" (27.00 mm)	500 mA @ 120 Hz	ROHS3
476CKE350M	Cornell Dubilier / Illinois Capacitor	47 µF	350 V	2000 Hrs @ 105°C	-25°C ~ 105°C	0.295" (7.50 mm)	1.043" (26.50 mm)	190 mA @ 120 Hz	ROHS3
476CKE400MQV	Cornell Dubilier / Illinois Capacitor	47 µF	400 V	2000 Hrs @ 105°C	-25°C ~ 105°C	0.295" (7.50 mm)	1.043" (26.50 mm)	360 mA @ 120 Hz	ROHS3
EGXF401ELL470ML25S	Chemi-Con	47 µF	400 V	3000 Hrs @ 125°C	-40°C ~ 125°C	0.295" (7.50 mm)	1.043" (26.50 mm)	395.5 mA @ 120 Hz	RoHS
ESH476M450AM7AA	KEMET	47 µF	450 V	2000 Hrs @ 105°C	-25°C ~ 105°C	0.295" (7.50 mm)	1.063" (27.00 mm)	260 mA @ 120 Hz	ROHS3
MAL215266479E3	Vishay Beyschlag/Draloric/BC Components	47 µF	400 V	4000 Hrs @ 105°C	-40°C ~ 105°C	0.295" (7.50 mm)	1.063" (27.00 mm)	240 mA @ 120 Hz	ROHS3

Engineering Selection Recommendations

Direct Equivalent (Same Voltage Rating - 350 V):

ECA-2VHG470 (Panasonic NHG-A series) provides equivalent electrical performance with extended operating temperature range to 105°C. This part carries AEC-Q200 automotive qualification and is suitable for applications requiring automotive-grade reliability. Inventory availability is 1367 units.

EEU-EE2V470 (Panasonic EE-A series) maintains the 350 V rating while offering significantly extended lifetime of 10000 hours at 105°C. This part is suitable for general-purpose applications requiring enhanced reliability and longer service life. Inventory availability is 937 units.

476CKE350M (Cornell Dubilier CKE series) provides equivalent 350 V rating with specified ESR of 7.055 Ohm at 120 Hz. This part is optimized for bypass and decoupling applications. Inventory availability is 7563 units.

Upgrade Options (Higher Voltage Ratings - 400 V / 450 V):

EEU-EE2G470 (Panasonic EE-A series, 400 V) provides 50 V additional voltage margin with 10000-hour lifetime at 105°C. This upgrade is suitable for applications where design margin against voltage transients is required. Inventory availability is 4816 units.

400BXC47MEFC16X25 (Rubycon BXC series, 400 V) offers 12000-hour lifetime at 105°C with higher ripple current capability (472 mA @ 120 Hz). This part provides extended reliability for demanding applications. Inventory availability is 2238 units.

450BXW47MEFR16X25 (Rubycon BXW series, 450 V) provides maximum voltage margin (100 V above original rating) with 12000-hour lifetime and extended operating temperature range to -40°C. This part is suitable for high-reliability applications with stringent thermal requirements. Inventory availability is 3069 units.

EGXF401ELL470ML25S (Chemi-Con GXF series, 400 V) carries AEC-Q200 automotive qualification with extended operating temperature to 125°C and 3000-hour lifetime at that temperature. This part is suitable for automotive applications with elevated thermal environments. Inventory availability is 1269 units.

ESH476M450AM7AA (KEMET ESH series, 450 V) provides 100 V voltage margin with 2000-hour lifetime at 105°C. This part is suitable for general-purpose applications requiring voltage headroom. Inventory availability is 2382 units.

MAL215266479E3 (Vishay 152 RMH series, 400 V) carries AEC-Q200 automotive qualification with 4000-hour lifetime at 105°C and extended operating temperature range to -40°C. This part is suitable for automotive applications. Inventory availability is 1833 units.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a higher voltage rating than the original ECA-2VM470?

A: Yes. A higher voltage rating (400 V or 450 V) is electrically compatible and provides additional design margin. The capacitance, tolerance, lead spacing, and package remain identical. Higher voltage ratings do not negatively impact circuit performance in applications designed for 350 V operation.

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes maintain the 350 V rating and are functionally equivalent to the ECA-2VM470. Upgrade substitutes feature higher voltage ratings (400 V or 450 V) and often extended lifetime ratings, providing enhanced reliability and design margin for demanding applications.

Q: Are all substitute parts mechanically compatible with the original ECA-2VM470?

A: All listed substitute parts share identical lead spacing (0.295" / 7.50 mm), package type (Radial, Can), and mounting type (Through Hole). Height dimensions vary slightly between manufacturers (1.043" to 1.063"), but all fit standard PCB layouts designed for the ECA-2VM470 footprint.

Q: Which substitute parts carry automotive certifications?

A: ECA-2VHG470, EGXF401ELL470ML25S, and MAL215266479E3 carry AEC-Q200 automotive qualification. These parts are suitable for automotive applications requiring certified component reliability.

Q: What is the significance of lifetime ratings at different temperatures?

A: Lifetime ratings specify the expected operational duration at a given temperature. Extended lifetime ratings (10000 hours vs. 2000 hours) indicate longer service life and improved reliability. Higher temperature ratings (105°C, 125°C) indicate suitability for thermally demanding environments.

Q: Can I substitute the ECA-2VM470 in a circuit designed for 350 V operation with a 450 V part?

A: Yes. A 450 V rated capacitor is fully compatible in a 350 V circuit. The higher voltage rating provides additional safety margin and does not affect circuit operation. The capacitance value, tolerance, and electrical characteristics remain identical.

Q: Which substitute offers the best ripple current capability?

A: 450BXW47MEFR16X25 (Rubycon BXW series) offers the highest ripple current at 500 mA @ 120 Hz and 1.25 A @ 100 kHz, making it suitable for high-current ripple applications.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts are ROHS3 compliant except EGXF401ELL470ML25S, which is RoHS compliant. Both compliance levels are acceptable for most applications; verify specific requirements with your procurement or compliance department.

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