UVR2F330MHA Equivalent & Substitute Parts

Part Overview

The Nichicon UVR2F330MHA is a 33 µF, 315 V aluminum electrolytic capacitor in radial, can package format with a rated lifetime of 2000 hours at 85°C. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing production support and design continuity. The UVR series represents legacy technology; modern designs should transition to active product lines offering improved reliability, higher temperature ratings, and enhanced compliance certifications.

Key Parameters

Parameter	Value
Capacitance	33 µF
Tolerance	±20%
Voltage Rating	315 V
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Polarization	Polar
Lead Spacing	0.295" (7.50 mm)
Case Diameter	0.630" (16.00 mm)
Height	1.063" (27.00 mm)
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution for the UVR2F330MHA is determined by the following criteria:

Mandatory Parameters (Must Match):

Capacitance: 33 µF
Tolerance: ±20%
Polarization: Polar
Lead Spacing: 0.295" (7.50 mm)
Case Diameter: 0.630" (16.00 mm)
Mounting Type: Through Hole
Package Type: Radial, Can

Allowable Variation Parameters:

Voltage Rating: Equal to or greater than 315 V
Operating Temperature Range: Equal to or greater than -40°C ~ 85°C
Lifetime @ Temperature: Equal to or greater than 2000 Hrs @ 85°C
Height: Within ±0.020" tolerance (1.043" to 1.083")
RoHS Status: Preferably compliant for new designs

Substitute parts are grouped into three voltage categories: 350 V, 400 V, and 450 V. All substitute parts maintain identical lead spacing, case diameter, and mounting configuration, ensuring direct mechanical and electrical compatibility in existing PCB layouts.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp	Height (Max)	Product Status	RoHS Status
UVR2F330MHA	Nichicon	33 µF	315 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	1.063"	Obsolete	RoHS non-compliant
UVR2V330MHD	Nichicon	33 µF	350 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	1.063"	Not For New Designs	ROHS3 Compliant
UAQ2G330MHD6	Nichicon	33 µF	400 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	1.063"	Active	ROHS3 Compliant
ULD2W330MHD	Nichicon	33 µF	450 V	±20%	20000 Hrs @ 105°C	-40°C ~ 105°C	1.063"	Not For New Designs	ROHS3 Compliant
400PX33MEFC16X25	Rubycon	33 µF	400 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	1.063"	Active	ROHS3 Compliant
EKMG351ELL330ML25S	Chemi-Con	33 µF	350 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	1.043"	Active	ROHS3 Compliant
EKMG401ELL330ML25S	Chemi-Con	33 µF	400 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	1.043"	Active	ROHS3 Compliant
EKMQ401ELL330ML25S	Chemi-Con	33 µF	400 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	1.043"	Active	ROHS3 Compliant
EKXF451ELL330ML25S	Chemi-Con	33 µF	450 V	±20%	20000 Hrs @ 105°C	-40°C ~ 105°C	1.043"	Active	ROHS3 Compliant
ESMG351ELL330ML25S	Chemi-Con	33 µF	350 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	1.043"	Active	ROHS3 Compliant
ESMG401ELL330ML25S	Chemi-Con	33 µF	400 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	1.043"	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Minimum Voltage Upgrade): UVR2V330MHD (Nichicon, 350 V) provides the closest electrical and thermal match to the original UVR2F330MHA. This part maintains identical physical dimensions, lead spacing, and operating temperature range while offering ROHS3 compliance. However, this part is classified as "Not For New Designs," limiting its suitability for long-term production.

For Active Product Line Selection: UAQ2G330MHD6 (Nichicon, 400 V) and EKMG401ELL330ML25S (Chemi-Con, 400 V) are both active products with ROHS3 compliance. Both provide enhanced operating temperature range (-40°C ~ 105°C) and improved lifetime ratings (2000 Hrs @ 105°C). These parts are suitable for new designs and ongoing production support.

For Extended Lifetime Applications: ULD2W330MHD (Nichicon, 450 V) and EKXF451ELL330ML25S (Chemi-Con, 450 V) offer significantly extended lifetime ratings of 20000 Hrs @ 105°C, appropriate for applications requiring enhanced reliability. Both maintain mechanical compatibility and ROHS3 compliance. ULD2W330MHD is classified as "Not For New Designs," while EKXF451ELL330ML25S is active.

For Temperature-Matched Applications: ESMG351ELL330ML25S and ESMG401ELL330ML25S (Chemi-Con SMG series) maintain the original 2000 Hrs @ 85°C lifetime specification while offering active product status and ROHS3 compliance. These parts are suitable for applications where thermal performance characteristics must remain unchanged.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage-rated capacitor as a direct replacement? A: Yes. The UVR2F330MHA operates at 315 V. Any substitute rated at 315 V or higher (350 V, 400 V, 450 V) is electrically compatible. Higher voltage ratings provide additional safety margin and do not degrade circuit performance.

Q: What is the significance of the height difference between 1.063" and 1.043"? A: Both dimensions fall within acceptable through-hole mounting tolerances for standard PCB layouts. The 0.020" difference does not affect mechanical fit or electrical performance. Verify PCB clearance specifications if height-constrained applications exist.

Q: Are all substitute parts mechanically interchangeable? A: Yes. All listed substitutes maintain identical lead spacing (0.295" / 7.50 mm), case diameter (0.630" / 16.00 mm), and through-hole mounting configuration. Direct PCB footprint compatibility is confirmed.

Q: Why should I transition from the obsolete UVR2F330MHA? A: The UVR2F330MHA is obsolete and RoHS non-compliant. Active alternatives provide ROHS3 compliance, extended operating temperature ranges, improved lifetime ratings, and guaranteed long-term supply availability.

Q: What is the difference between 2000 Hrs @ 85°C and 2000 Hrs @ 105°C lifetime ratings? A: Both represent equivalent operational lifetime under their respective temperature conditions. The 105°C rating indicates the capacitor maintains specified performance at higher ambient temperatures, providing greater thermal margin in applications with elevated operating conditions.

Q: Can I use EKXF451ELL330ML25S (450 V, 20000 Hrs @ 105°C) in place of UVR2F330MHA (315 V, 2000 Hrs @ 85°C)? A: Yes. The higher voltage rating and extended lifetime provide superior performance characteristics. This substitution is appropriate for applications requiring enhanced reliability and thermal performance, though it may increase component cost.

Q: Which substitute offers the best balance of cost, compliance, and availability? A: EKMG401ELL330ML25S (Chemi-Con, 400 V) and UAQ2G330MHD6 (Nichicon, 400 V) both offer active product status, ROHS3 compliance, and 2000 Hrs @ 105°C lifetime ratings. Selection depends on preferred manufacturer and inventory availability.

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