UVR2E3R3MPD Equivalent & Substitute Parts

Part Overview

The Nichicon UVR2E3R3MPD is a 3.3 µF, 250 V aluminum electrolytic capacitor in radial, can package with a rated lifetime of 2000 hours at 85°C. This part carries a "Not For New Designs" status, indicating it is obsolete or superseded. Equivalent and substitute parts are necessary to maintain design continuity, improve performance characteristics, or ensure long-term component availability for production and field service applications.

Key Parameters

Parameter	Value
Capacitance	3.3 µF
Tolerance	±20%
Voltage Rating	250 V
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Polarization	Polar
Lead Spacing	0.138" (4.60 mm)
Case Diameter	0.315" (8.00 mm)
Height (Max)	0.512" (13.00 mm)
Mounting Type	Through Hole
Package	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the UVR2E3R3MPD is determined by the following criteria:

Mandatory Compatibility Parameters:

Capacitance: 3.3 µF (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Lead Spacing: 0.138" (4.60 mm) (exact match required)
Case Diameter: 0.315" (8.00 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Package: Radial, Can (exact match required)

Allowable Upgrade Parameters:

Voltage Rating: 250 V or higher (upgrades to 350 V or 400 V are acceptable)
Operating Temperature Range: -40°C ~ 85°C or extended upper limit (upgrades to 105°C or 125°C are acceptable)
Lifetime @ Temperature: 2000 Hrs @ 85°C or longer (upgrades to 5000, 10000, or 15000 hours are acceptable)
Ripple Current: Higher values are acceptable

Compliance Requirements:

RoHS3 Compliant (mandatory)
REACH Status: Unaffected or Affected (both acceptable)

Substitute parts are grouped by voltage rating and thermal performance characteristics. Parts with higher voltage ratings and extended temperature ranges provide enhanced reliability margins. Parts with longer rated lifetimes at elevated temperatures offer improved long-term performance in demanding applications.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ Temp	Operating Temp Range	Height (Max)	Product Status	Inventory
UVR2E3R3MPD	Nichicon	3.3 µF	250 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.512" (13.00 mm)	Not For New Designs	1144 Pcs
ULD2G3R3MPD	Nichicon	3.3 µF	400 V	15000 Hrs @ 105°C	-40°C ~ 105°C	0.531" (14.60 mm)	Not For New Designs	3410 Pcs
UVK2G3R3MPD	Nichicon	3.3 µF	400 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.492" (12.50 mm)	Not For New Designs	910 Pcs
350PK3.3MEFC8X11.5	Rubycon	3.3 µF	350 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.531" (14.60 mm)	Active	841 Pcs
400LEX3.3MEFC8X11.5	Rubycon	3.3 µF	400 V	5000 Hrs @ 125°C	-40°C ~ 125°C	0.531" (14.60 mm)	Active	2573 Pcs
400LEX3R3MEFC8X11.5	Rubycon	3.3 µF	400 V	5000 Hrs @ 125°C	-40°C ~ 125°C	0.531" (14.60 mm)	Active	656 Pcs
400LLE3.3MEFC8X11.5	Rubycon	3.3 µF	400 V	15000 Hrs @ 105°C	-40°C ~ 105°C	0.512" (13.00 mm)	Active	1133 Pcs
400LLE3R3MEFC8X11.5	Rubycon	3.3 µF	400 V	15000 Hrs @ 105°C	-40°C ~ 105°C	0.512" (13.00 mm)	Active	223420 Pcs
EKXE401ELL3R3MHB5D	Chemi-Con	3.3 µF	400 V	10000 Hrs @ 105°C	-40°C ~ 105°C	0.531" (14.60 mm)	Active	2838 Pcs
ESMG351ELL3R3MHB5D	Chemi-Con	3.3 µF	350 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.512" (13.00 mm)	Active	839 Pcs
ESMQ351ELL3R3MHB5D	Chemi-Con	3.3 µF	350 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.512" (13.00 mm)	Active	796 Pcs

Engineering Selection Recommendations

For Direct Replacement (Same Performance Profile): ESMG351ELL3R3MHB5D and ESMQ351ELL3R3MHB5D from Chemi-Con are Active status parts with identical electrical and thermal characteristics to the UVR2E3R3MPD. Both are RoHS3 compliant and suitable for applications requiring 350 V, 2000 hour lifetime at 85°C operation.

For Voltage Upgrade (Same Thermal Profile): 350PK3.3MEFC8X11.5 from Rubycon provides 350 V rating with equivalent 2000 hour lifetime at 85°C. This part is Active status and RoHS3 compliant, offering improved voltage margin without thermal performance changes.

For Enhanced Reliability (Extended Temperature and Lifetime): 400LLE3R3MEFC8X11.5 from Rubycon is the highest inventory option (223,420 pcs) with 400 V rating, 15000 hour lifetime at 105°C, and extended operating range to 125°C. This part is Active status and RoHS3 compliant, providing maximum performance headroom.

400LEX3.3MEFC8X11.5 from Rubycon offers 400 V rating with 5000 hour lifetime at 125°C and extended operating range to 125°C. This part is Active status and RoHS3 compliant.

EKXE401ELL3R3MHB5D from Chemi-Con provides 400 V rating with 10000 hour lifetime at 105°C. This part is Active status and RoHS3 compliant.

For Nichicon Series Continuity: ULD2G3R3MPD from Nichicon offers 400 V rating with 15000 hour lifetime at 105°C, maintaining manufacturer continuity while providing enhanced performance.

All substitute parts maintain identical capacitance, tolerance, polarization, lead spacing, case diameter, and through-hole mounting configuration. Physical height variations are within acceptable PCB layout tolerances for radial can packages.

Frequently Asked Questions (FAQ)

Q: Can I use a 400 V rated capacitor in place of a 250 V rated capacitor? A: Yes. Higher voltage ratings are acceptable substitutes. A 400 V capacitor will function correctly in a 250 V application and provides improved voltage margin and reliability. The capacitance, tolerance, and physical dimensions must remain identical.

Q: What is the significance of "Not For New Designs" status? A: This designation indicates the part is obsolete or superseded by the manufacturer. Active status substitute parts are recommended for new designs and ongoing production. Existing inventory of the UVR2E3R3MPD may be used for field service or legacy system support.

Q: Does a longer lifetime rating (15000 Hrs vs. 2000 Hrs) affect circuit performance? A: No. Lifetime rating indicates expected operational duration under specified temperature conditions. Longer lifetime ratings reflect improved internal construction and materials, providing extended service life without changing electrical performance in the circuit.

Q: Are there physical height differences between substitute parts? A: Yes. The UVR2E3R3MPD has a maximum height of 0.512" (13.00 mm). Some substitutes measure 0.531" (14.60 mm) or 0.492" (12.50 mm). These variations are within standard PCB layout tolerances for radial can packages. Verify clearance in your specific application.

Q: Can I mix different manufacturers in the same circuit? A: Yes. All listed substitutes meet identical electrical specifications, RoHS3 compliance, and physical compatibility requirements. Mixing manufacturers (Nichicon, Rubycon, Chemi-Con) is acceptable from an engineering standpoint.

Q: What does "REACH Unaffected" vs. "REACH Affected" mean? A: Both designations indicate compliance with REACH regulations. "REACH Unaffected" means the part contains no substances of concern. "REACH Affected" means the part contains regulated substances but complies with REACH requirements. Both are acceptable for use.

Q: Why does 400LLE3R3MEFC8X11.5 have significantly higher inventory? A: This part is widely used across multiple applications due to its Active status, extended performance characteristics (15000 Hrs @ 105°C), and 400 V rating. Higher inventory reflects strong market demand and availability for immediate procurement.

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