UVK2G3R3MPD Equivalent & Substitute Parts

Part Overview

The UVK2G3R3MPD is a 3.3 µF, 400 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. Finding equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and access components with improved performance characteristics or active product status.

Key Parameters

Parameter	Value
Capacitance	3.3 µF
Voltage Rating	400 V
Tolerance	±20%
Polarization	Polar
Package Type	Radial, Can
Mounting Type	Through Hole
Operating Temperature Range	-40°C ~ 85°C
Lifetime @ Temperature	2000 Hrs @ 85°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the UVK2G3R3MPD is determined by the following critical parameters:

Electrical Parameters: Capacitance (3.3 µF), voltage rating (400 V), and tolerance (±20%) must match exactly
Package Compatibility: Radial, can package with through-hole mounting
Mechanical Fit: Lead spacing and physical dimensions determine PCB compatibility
Thermal Performance: Operating temperature range and lifetime rating affect reliability in specific applications

Substitute parts are grouped into three categories based on these criteria:

Similar Performance Substitutes maintain identical electrical specifications and thermal ratings (2000 Hrs @ 85°C) but may differ in physical dimensions and ripple current handling.

Direct Equivalent Substitutes provide identical electrical and thermal performance with active product status, ensuring long-term availability.

Upgrade Substitutes offer enhanced thermal performance (15000 Hrs @ 105°C) and extended operating temperature range (-40°C ~ 105°C), providing superior reliability while maintaining electrical compatibility.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ Temp.	Operating Temp.	Lead Spacing	Size (Dia)	Height (Max)	Product Status	Inventory
UVK2G3R3MPD	Nichicon	UVK	3.3 µF	400 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.138" (4.60mm)	0.315" (8.00mm)	0.492" (12.50mm)	Not For New Designs	910 Pcs
UVR2G3R3MPD	Nichicon	UVR	3.3 µF	400 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00mm)	0.394" (10.00mm)	0.551" (14.00mm)	Not For New Designs	1609 Pcs
ESMQ401ELL3R3MHB5D	Chemi-Con	SMQ	3.3 µF	400 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.138" (4.60mm)	0.315" (8.00mm)	0.512" (13.00mm)	Active	1006 Pcs
ESMG401ELL3R3MJC5S	Chemi-Con	SMG	3.3 µF	400 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00mm)	0.394" (10.00mm)	0.551" (14.00mm)	Active	1011 Pcs
400LLE3.3MEFC8X11.5	Rubycon	LLE	3.3 µF	400 V	±20%	15000 Hrs @ 105°C	-40°C ~ 105°C	0.138" (4.60mm)	0.315" (8.00mm)	0.512" (13.00mm)	Active	1133 Pcs
400LLE3R3MEFC8X11.5	Rubycon	LLE	3.3 µF	400 V	±20%	15000 Hrs @ 105°C	-40°C ~ 105°C	0.138" (4.60mm)	0.315" (8.00mm)	0.512" (13.00mm)	Active	223420 Pcs

Engineering Selection Recommendations

For Direct Replacement with Identical Footprint: ESMQ401ELL3R3MHB5D (Chemi-Con, Active status) provides direct electrical and mechanical compatibility with the UVK2G3R3MPD. Both components share identical lead spacing (0.138", 4.60mm) and similar physical dimensions, enabling drop-in replacement on existing PCBs. Active product status ensures continued availability.

For Enhanced Thermal Performance: 400LLE3R3MEFC8X11.5 (Rubycon, Active status) offers superior reliability with 15000 Hrs @ 105°C lifetime rating and extended operating temperature range (-40°C ~ 105°C). This component maintains the same electrical specifications and footprint compatibility while providing extended service life in high-temperature environments. Highest inventory availability (223420 Pcs) supports production requirements.

For Larger Footprint Applications: UVR2G3R3MPD (Nichicon) and ESMG401ELL3R3MJC5S (Chemi-Con) accommodate designs with larger PCB spacing (0.197", 5.00mm lead spacing). Both maintain identical electrical performance and thermal ratings. ESMG401ELL3R3MJC5S carries Active product status, ensuring long-term supply continuity.

All substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original component.

Frequently Asked Questions (FAQ)

Q: Can UVK2G3R3MPD be replaced with any of these substitute parts? A: Substitution depends on PCB layout constraints. Components with matching lead spacing (0.138", 4.60mm) provide direct replacement: ESMQ401ELL3R3MHB5D, 400LLE3.3MEFC8X11.5, and 400LLE3R3MEFC8X11.5. Larger footprint designs can use UVR2G3R3MPD or ESMG401ELL3R3MJC5S with 0.197" (5.00mm) lead spacing.

Q: What is the difference between 2000 Hrs @ 85°C and 15000 Hrs @ 105°C lifetime ratings? A: These ratings indicate expected operational life under specified thermal conditions. The 2000 Hrs @ 85°C rating applies to Nichicon UVK/UVR and Chemi-Con SMQ/SMG series. The 15000 Hrs @ 105°C rating for Rubycon LLE series indicates significantly longer service life, particularly in elevated temperature applications. Both ratings meet the electrical requirements of the original UVK2G3R3MPD.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original component's environmental certifications.

Q: Which substitute offers the best inventory availability? A: 400LLE3R3MEFC8X11.5 (Rubycon) provides the highest inventory level at 223420 Pcs, combined with Active product status and enhanced thermal performance.

Q: Can I use a substitute with a different lead spacing on my existing PCB? A: No. Lead spacing determines hole placement on the PCB. Components with different lead spacing (0.138" vs. 0.197") require different PCB layouts and cannot be interchanged without PCB redesign.

Q: What is the advantage of selecting an Active product status component? A: Active product status ensures the manufacturer continues production and supports long-term supply chain availability. Not For New Designs status indicates the component may face supply constraints as the manufacturer phases out production.

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