UVR2E2R2MEA Equivalent & Substitute Parts

Part Overview

The Nichicon UVR2E2R2MEA is a 2.2 µF, 250 V aluminum electrolytic capacitor in radial, can package with a rated lifetime of 2000 hours at 85°C. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The UVR series has been discontinued, requiring engineers to select from active alternatives that maintain electrical and mechanical compatibility within the specified parameter tolerances.

Key Parameters

Parameter	Value
Capacitance	2.2 µF
Tolerance	±20%
Voltage - Rated	250 V
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Lead Spacing	0.098" (2.50mm)
Size / Dimension	0.248" Dia (6.30mm)
Height - Seated (Max)	0.492" (12.50mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
Ripple Current @ Low Frequency	33 mA @ 120 Hz

Substitute Part Grouping Explanation

Substitution for the UVR2E2R2MEA is determined by strict equivalence across the following critical parameters:

Primary Equivalence Criteria:

Capacitance: 2.2 µF (exact match required)
Tolerance: ±20% (exact match required)
Voltage Rating: 250 V minimum (equal or higher acceptable)
Lead Spacing: 0.098" (2.50mm) (exact match required)
Case Diameter: 0.248" (6.30mm) (exact match required)
Mounting Type: Through Hole Radial (exact match required)
Polarization: Polar (exact match required)

Secondary Compatibility Factors:

Operating Temperature Range: -40°C minimum to 85°C minimum
Lifetime Rating: 2000 Hrs @ 85°C minimum
Ripple Current Capability: 33 mA @ 120 Hz minimum

Substitute parts are grouped into three categories: Direct Equivalents (identical electrical and mechanical specifications), Direct Substitutes (same voltage, enhanced performance characteristics), and Upgrade Options (higher voltage ratings or extended lifetime ratings that provide superior reliability margins).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp Range	Height (Max)	Product Status	RoHS Status
UVR2E2R2MEA	Nichicon	2.2 µF	250 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.492" (12.50mm)	Obsolete	RoHS non-compliant
UVR2E2R2MED	Nichicon	2.2 µF	250 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.492" (12.50mm)	Obsolete	ROHS3 Compliant
250LEX2.2MEFC6.3X11	Rubycon	2.2 µF	250 V	±20%	4000 Hrs @ 125°C	-40°C ~ 125°C	0.512" (13.00mm)	Active	ROHS3 Compliant
250PK2.2MEFC6.3X11	Rubycon	2.2 µF	250 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.512" (13.00mm)	Active	ROHS3 Compliant
250PK2R2MEFC6.3X11	Rubycon	2.2 µF	250 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.512" (13.00mm)	Active	ROHS3 Compliant
250LEX2R2MEFC6.3X11	Rubycon	2.2 µF	250 V	±20%	4000 Hrs @ 125°C	-40°C ~ 125°C	0.512" (13.00mm)	Active	ROHS3 Compliant
250LLE2.2MEFC6.3X11	Rubycon	2.2 µF	250 V	±20%	12000 Hrs @ 105°C	-40°C ~ 105°C	0.512" (13.00mm)	Active	ROHS3 Compliant
350PK2.2MEFC6.3X11	Rubycon	2.2 µF	350 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.512" (13.00mm)	Active	ROHS3 Compliant
ESMQ351ELL2R2MF11D	Chemi-Con	2.2 µF	350 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.492" (12.50mm)	Active	ROHS3 Compliant
ECA-2EM2R2	Panasonic Electronic Components	2.2 µF	250 V	±20%	2000 Hrs @ 85°C	-25°C ~ 85°C	0.480" (12.20mm)	Active	ROHS3 Compliant
SK2R2M250ST	Cornell Dubilier Electronics (CDE)	2.2 µF	250 V	±20%	2000 Hrs @ 85°C	-25°C ~ 85°C	0.512" (13.00mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent (Same Packaging, Compliance Update): UVR2E2R2MED is the direct equivalent from Nichicon with identical electrical specifications and mechanical dimensions. This part differs only in RoHS3 compliance status, making it suitable for designs requiring the original manufacturer's product line with modern regulatory compliance.

Primary Substitutes (250 V Rating, Active Status): The Rubycon 250PK2.2MEFC6.3X11 and 250PK2R2MEFC6.3X11 are direct functional substitutes with identical electrical ratings and lifetime specifications. Both are active products with ROHS3 compliance. Height increases from 0.492" to 0.512", requiring PCB layout verification for clearance compatibility.

The Panasonic ECA-2EM2R2 and Cornell Dubilier SK2R2M250ST are functionally equivalent alternatives with identical electrical specifications and ROHS3 compliance. Both maintain the 250 V rating and 2000 Hrs @ 85°C lifetime. Operating temperature lower limit differs (-25°C vs. -40°C), which is acceptable for most applications. Height variations require layout verification.

Enhanced Performance Substitutes (250 V Rating, Extended Lifetime): The Rubycon 250LEX2.2MEFC6.3X11 and 250LEX2R2MEFC6.3X11 provide extended lifetime ratings (4000 Hrs @ 125°C) while maintaining 250 V electrical specifications. These are suitable for applications requiring improved reliability margins. Height increases to 0.512" require PCB verification.

The Rubycon 250LLE2.2MEFC6.3X11 offers the highest lifetime rating (12000 Hrs @ 105°C) among 250 V options, providing significant reliability enhancement for long-life applications. Height increases to 0.512" require PCB verification.

Upgrade Options (Higher Voltage Rating): The Rubycon 350PK2.2MEFC6.3X11 and Chemi-Con ESMQ351ELL2R2MF11D provide 350 V ratings, offering voltage margin enhancement over the original 250 V specification. Both maintain 2.2 µF capacitance and ±20% tolerance with ROHS3 compliance. These are suitable for designs requiring increased voltage safety margins. Height increases to 0.512" (Rubycon) or remains at 0.492" (Chemi-Con) require layout verification.

All recommended substitutes are active products with ROHS3 compliance, addressing the obsolescence and regulatory compliance limitations of the original UVR2E2R2MEA.

Frequently Asked Questions (FAQ)

Q: Can I use a 350 V rated capacitor in place of the 250 V UVR2E2R2MEA? A: Yes. Higher voltage ratings are electrically compatible with lower voltage circuit requirements. The 350 V options (350PK2.2MEFC6.3X11 and ESMQ351ELL2R2MF11D) provide additional voltage margin and are suitable direct substitutes. Verify PCB layout clearance due to potential height variations.

Q: What is the impact of the height difference between the original part (0.492") and substitute parts (0.512")? A: The 0.020" height increase requires verification of PCB clearance, component spacing, and any mechanical constraints in the assembly. Measure available vertical space in the target application before finalizing the substitution. Most applications accommodate this variation without modification.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All recommended substitute parts carry ROHS3 compliance certification. The original UVR2E2R2MEA is RoHS non-compliant. Substitution addresses both obsolescence and regulatory compliance requirements.

Q: Which substitute offers the best reliability for long-life applications? A: The Rubycon 250LLE2.2MEFC6.3X11 provides the highest lifetime rating at 12000 Hrs @ 105°C, compared to the original 2000 Hrs @ 85°C. This part is suitable for applications requiring extended operational life and improved reliability margins.

Q: Can I substitute the Panasonic ECA-2EM2R2 if my circuit operates below -25°C? A: No. The ECA-2EM2R2 has a lower operating temperature limit of -25°C, compared to the original -40°C specification. For applications requiring -40°C operation, select alternatives with matching lower temperature limits: UVR2E2R2MED, Rubycon PK/LEX/LLE series, or Chemi-Con ESMQ351ELL2R2MF11D.

Q: What is the difference between the Rubycon PK and LEX series at 250 V? A: Both maintain identical 250 V electrical specifications and 2.2 µF capacitance. The LEX series provides extended lifetime (4000 Hrs @ 125°C) compared to PK series (2000 Hrs @ 85°C). Select LEX for applications requiring enhanced reliability and higher temperature operation capability.

Q: Are there any ripple current differences I should consider? A: Yes. Ripple current ratings vary across substitutes. The original UVR2E2R2MEA specifies 33 mA @ 120 Hz. Verify that selected substitutes meet or exceed the ripple current requirements of your specific application circuit.

Q: Can I use the Chemi-Con ESMQ351ELL2R2MF11D as a direct replacement? A: The ESMQ351ELL2R2MF11D is functionally compatible with identical height (0.492") to the original part, but operates at 350 V rating. This is suitable for applications where voltage margin enhancement is acceptable. Verify electrical circuit requirements before substitution.

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