UVR2W2R2MPA Equivalent & Substitute Parts

Part Overview

The UVR2W2R2MPA is a 2.2 µF, 450 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. The UVR series represents a legacy product line that requires direct replacement options to maintain circuit functionality and performance specifications.

Key Parameters

Parameter	Value
Capacitance	2.2 µF
Voltage Rating	450 V
Tolerance	±20%
Package Type	Radial, Can
Lead Spacing	0.197" (5.00 mm)
Diameter	0.394" (10.00 mm)
Height (Seated Max)	0.551" (14.00 mm)
Mounting Type	Through Hole
Polarization	Polar
Operating Temperature Range	-25°C ~ 85°C
Lifetime @ Temperature	2000 Hrs @ 85°C

Substitute Part Grouping Explanation

Substitution for the UVR2W2R2MPA is determined by strict electrical and mechanical compatibility. All substitute parts must meet the following criteria:

Capacitance: 2.2 µF (exact match)
Voltage Rating: 450 V (exact match)
Tolerance: ±20% (exact match)
Package: Radial, Can (exact match)
Lead Spacing: 0.197" (5.00 mm) (exact match)
Diameter: 0.394" (10.00 mm) (exact match)
Mounting Type: Through Hole (exact match)
Polarization: Polar (exact match)

Substitute parts are categorized as follows:

Direct Manufacturer Substitutes: Parts from the same manufacturer (Nichicon) with identical electrical specifications but different packaging or product status designations.

Upgrade Substitutes: Parts from alternative manufacturers with enhanced performance characteristics, including extended lifetime ratings at higher temperatures or improved ripple current handling, while maintaining all core electrical and mechanical parameters.

Similar Substitutes: Parts with matching core specifications but minor variations in height or operating temperature range that remain within acceptable tolerance for through-hole PCB applications.

Parametric Equivalents: Parts meeting all electrical and mechanical requirements with full compatibility for direct board-level replacement.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp Range	Height (Max)	Product Status	RoHS Status
UVR2W2R2MPA	Nichicon	2.2 µF	450 V	±20%	2000 Hrs @ 85°C	-25°C ~ 85°C	0.551" (14.00 mm)	Obsolete	RoHS non-compliant
UVR2W2R2MPD	Nichicon	2.2 µF	450 V	±20%	2000 Hrs @ 85°C	-25°C ~ 85°C	0.551" (14.00 mm)	Not For New Designs	ROHS3 Compliant
225CKE450M	Cornell Dubilier / Illinois Capacitor	2.2 µF	450 V	±20%	2000 Hrs @ 105°C	-25°C ~ 105°C	0.551" (14.00 mm)	Active	ROHS3 Compliant
450BXC2.2MEFC10X12.5	Rubycon	2.2 µF	450 V	±20%	8000 Hrs @ 105°C	-25°C ~ 105°C	0.571" (14.50 mm)	Active	ROHS3 Compliant
B43858C5225M000	EPCOS - TDK Electronics	2.2 µF	450 V	±20%	5000 Hrs @ 105°C	-25°C ~ 105°C	0.531" (14.60 mm)	Obsolete	ROHS3 Compliant
ECA-2WHG2R2	Panasonic Electronic Components	2.2 µF	450 V	±20%	2000 Hrs @ 105°C	-25°C ~ 105°C	0.531" (14.60 mm)	Active	ROHS3 Compliant
ESH225M450AH1AA	KEMET	2.2 µF	450 V	±20%	2000 Hrs @ 105°C	-25°C ~ 105°C	0.531" (14.60 mm)	Active	ROHS3 Compliant
MAL214267228E3	Vishay Beyschlag/Draloric/BC Components	2.2 µF	450 V	±20%	2500 Hrs @ 105°C	-40°C ~ 105°C	0.531" (14.60 mm)	Active	ROHS3 Compliant
ECA-2WM2R2	Panasonic Electronic Components	2.2 µF	450 V	±20%	2000 Hrs @ 85°C	-25°C ~ 85°C	0.531" (14.60 mm)	Active	ROHS3 Compliant
SK2R2M450ST	Cornell Dubilier Electronics (CDE)	2.2 µF	450 V	±20%	2000 Hrs @ 85°C	-25°C ~ 85°C	0.591" (15.00 mm)	Active	ROHS3 Compliant
ESMG451ELL2R2MJC5S	Chemi-Con	2.2 µF	450 V	±20%	2000 Hrs @ 85°C	-25°C ~ 85°C	0.551" (14.00 mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

For RoHS3 Compliance Requirements: Select from active product status parts with ROHS3 Compliant certification: 225CKE450M, 450BXC2.2MEFC10X12.5, ECA-2WHG2R2, ESH225M450AH1AA, MAL214267228E3, ECA-2WM2R2, SK2R2M450ST, or ESMG451ELL2R2MJC5S. These parts meet current regulatory requirements for new designs and production.

For Extended Thermal Performance: The 450BXC2.2MEFC10X12.5 (Rubycon) offers 8000 Hrs @ 105°C lifetime, providing superior thermal endurance compared to the original 2000 Hrs @ 85°C specification. The B43858C5225M000 (EPCOS - TDK Electronics) provides 5000 Hrs @ 105°C as an intermediate option.

For Direct Mechanical Compatibility: Parts maintaining the original 0.551" (14.00 mm) height specification are ESMG451ELL2R2MJC5S and 225CKE450M, minimizing PCB layout modifications.

For Extended Operating Temperature Range: The MAL214267228E3 (Vishay) supports -40°C ~ 105°C operation, extending the lower temperature limit from -25°C.

For Active Product Status: All substitute parts except B43858C5225M000 and UVR2W2R2MPD carry active product status, ensuring long-term availability and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can UVR2W2R2MPA be replaced with any 2.2 µF, 450 V capacitor? A: No. Direct substitution requires matching all mechanical parameters: radial can package, 0.197" (5.00 mm) lead spacing, 0.394" (10.00 mm) diameter, through-hole mounting, and polar configuration. Height variation up to ±0.040" may be acceptable depending on PCB layout constraints.

Q: What is the difference between direct substitutes and upgrade substitutes? A: Direct substitutes maintain identical electrical and thermal specifications. Upgrade substitutes offer enhanced performance, such as extended lifetime ratings (8000 Hrs vs. 2000 Hrs) or higher operating temperature limits (105°C vs. 85°C), while preserving all core electrical parameters.

Q: Does the height difference between substitute parts affect PCB compatibility? A: Height variations exist among substitutes (0.531" to 0.591"). Verify PCB clearance and component spacing before selection. Parts with reduced height (0.531") may require layout verification for solder joint accessibility.

Q: Are all substitute parts RoHS3 compliant? A: No. The original UVR2W2R2MPA is RoHS non-compliant. UVR2W2R2MPD is ROHS3 compliant but not recommended for new designs. All other substitutes carry ROHS3 Compliant certification.

Q: Which substitute offers the best thermal performance? A: The 450BXC2.2MEFC10X12.5 (Rubycon) provides 8000 Hrs @ 105°C, the highest lifetime rating among all options.

Q: Can I use a substitute with a different operating temperature range? A: Yes, provided your application operates within the substitute's specified range. The MAL214267228E3 extends the lower limit to -40°C; most others maintain -25°C minimum. Verify thermal requirements before selection.

Q: What is the significance of ESR (Equivalent Series Resistance) values? A: ESR affects ripple current handling and heat dissipation. Parts with specified ESR values (225CKE450M at 150.71 Ohm @ 120 Hz, SK2R2M450ST at 120.63 Ohm) provide measurable performance data for high-ripple applications.

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