ECA-2EM2R2I Equivalent & Substitute Parts

Part Overview

The ECA-2EM2R2I is a 2.2 µF 250 V aluminum electrolytic capacitor in radial, can package manufactured by Panasonic Electronic Components. This through-hole component is rated for 2000 hours at 85°C and is designed for general-purpose applications requiring stable capacitance and ripple current handling. The part is currently active in production. Substitute parts may be required due to inventory constraints, packaging preferences, or end-of-life considerations for related product lines.

Key Parameters

Parameter	Value
Capacitance	2.2 µF
Voltage Rating	250 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-25°C ~ 85°C
Polarization	Polar
Lead Spacing	0.098" (2.50 mm)
Case Diameter	0.248" (6.30 mm)
Height (Seated Max)	0.480" (12.20 mm)
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the ECA-2EM2R2I is determined by the following critical parameters:

Capacitance: Must be 2.2 µF
Voltage Rating: Must be 250 V
Tolerance: Must be ±20%
Polarization: Must be Polar
Lead Spacing: Must be 0.098" (2.50 mm)
Case Diameter: Must be 0.248" (6.30 mm)
Mounting Type: Must be Through Hole
Package Type: Must be Radial, Can
RoHS Compliance: Must be ROHS3 Compliant

Substitute parts are grouped into two categories:

Direct Substitute (Same Manufacturer): ECA-2EM2R2 from Panasonic Electronic Components meets all critical parameters with identical electrical and mechanical specifications. The only difference is packaging format (Bulk vs. Tape & Reel).

Cross-Manufacturer Substitute (Upgrade Consideration): UVR2E2R2MED1TD from Nichicon meets all critical parameters with minor variations in ripple current performance and extended lower operating temperature range (-40°C vs. -25°C). This part is marked as Obsolete.

Parameter Comparison

Parameter	ECA-2EM2R2I (Main)	ECA-2EM2R2 (Direct)	UVR2E2R2MED1TD (Cross-Mfg)
Manufacturer	Panasonic	Panasonic	Nichicon
Capacitance	2.2 µF	2.2 µF	2.2 µF
Voltage Rating	250 V	250 V	250 V
Tolerance	±20%	±20%	±20%
Lifetime @ Temp	2000 Hrs @ 85°C	2000 Hrs @ 85°C	2000 Hrs @ 85°C
Operating Temperature	-25°C ~ 85°C	-25°C ~ 85°C	-40°C ~ 85°C
Ripple Current @ 120 Hz	50 mA	50 mA	33 mA
Ripple Current @ 10 kHz	85 mA	85 mA	Not Specified
Lead Spacing	0.098" (2.50 mm)	0.098" (2.50 mm)	0.098" (2.50 mm)
Case Diameter	0.248" (6.30 mm)	0.248" (6.30 mm)	0.248" (6.30 mm)
Height (Seated Max)	0.480" (12.20 mm)	0.480" (12.20 mm)	0.492" (12.50 mm)
Mounting Type	Through Hole	Through Hole	Through Hole
Package Type	Radial, Can	Radial, Can	Radial, Can
Product Status	Active	Active	Obsolete
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

ECA-2EM2R2 (Panasonic): This direct substitute is the preferred choice for new designs and production runs. It maintains identical electrical specifications and mechanical dimensions as the ECA-2EM2R2I. Both parts are Active status and ROHS3 compliant. The only distinction is packaging format; ECA-2EM2R2 is supplied in Bulk packaging while ECA-2EM2R2I uses standard tape and reel. Inventory availability is higher for ECA-2EM2R2 (8709 pcs vs. 733 pcs).

UVR2E2R2MED1TD (Nichicon): This cross-manufacturer substitute meets all critical electrical and mechanical parameters but carries an Obsolete product status designation. The part exhibits lower ripple current performance at 120 Hz (33 mA vs. 50 mA) and a slightly increased seated height (0.492" vs. 0.480"). The extended lower operating temperature range (-40°C vs. -25°C) may provide benefit in cold-environment applications. Use of this part should be limited to legacy system maintenance or applications where the lower ripple current specification is acceptable.

Frequently Asked Questions (FAQ)

Q: Can ECA-2EM2R2 be used as a direct replacement for ECA-2EM2R2I?

A: Yes. Both parts share identical capacitance (2.2 µF), voltage rating (250 V), tolerance (±20%), lead spacing (2.50 mm), case diameter (6.30 mm), and seated height (12.20 mm). The difference is packaging format only. Both are Active status and ROHS3 compliant.

Q: What are the limitations of using UVR2E2R2MED1TD as a substitute?

A: The Nichicon UVR2E2R2MED1TD is marked Obsolete and exhibits reduced ripple current capacity at 120 Hz (33 mA vs. 50 mA). The seated height is 0.492" compared to 0.480" for the main part, which may affect PCB layout in space-constrained designs. High-frequency ripple current specification (10 kHz) is not provided for this part.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. Both ECA-2EM2R2 and UVR2E2R2MED1TD are ROHS3 compliant, matching the compliance status of the main part ECA-2EM2R2I.

Q: Does the extended temperature range of UVR2E2R2MED1TD provide an advantage?

A: The UVR2E2R2MED1TD operates from -40°C to 85°C compared to -25°C to 85°C for the main part. This extended lower temperature range is beneficial only for applications requiring operation below -25°C. For standard operating conditions, this difference is not a functional advantage.

Q: What is the impact of different ripple current ratings?

A: The ECA-2EM2R2I and ECA-2EM2R2 both support 50 mA at 120 Hz and 85 mA at 10 kHz. The UVR2E2R2MED1TD supports only 33 mA at 120 Hz with no 10 kHz specification provided. Applications requiring higher ripple current handling should use the Panasonic parts.

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