Equivalent & Substitute Parts for UVR1A331MED

Part Overview

The Nichicon UVR1A331MED is a 330 µF, 10 V aluminum electrolytic capacitor in radial, can package with a rated lifetime of 2000 hours at 85°C. This component is classified as obsolete. Due to its obsolete status, equivalent and substitute parts from active manufacturers are necessary to ensure design continuity and long-term supply chain reliability. Substitute parts maintain the same capacitance and tolerance while offering improved performance characteristics or higher voltage ratings.

Key Parameters

Parameter	Value
Capacitance	330 µF
Tolerance	±20%
Voltage - Rated	10 V
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Polarization	Polar
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
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UVR1A331MED is determined by the following criteria:

Direct Equivalents (Same Voltage Rating - 10 V): Parts maintaining 330 µF capacitance, ±20% tolerance, and 10 V voltage rating are direct functional equivalents. These parts preserve the original electrical specifications and are suitable for direct replacement in applications where the original component specifications are required.

Upgrade Substitutes (Higher Voltage Rating - 16 V): Parts with 330 µF capacitance, ±20% tolerance, and 16 V voltage rating provide enhanced voltage margin while maintaining identical capacitance. These are suitable for applications where increased voltage headroom is acceptable or beneficial.

Key Substitution Parameters:

Capacitance: 330 µF (fixed)
Tolerance: ±20% (fixed)
Voltage Rating: 10 V (direct) or 16 V (upgrade)
Lead Spacing: 0.098" (2.50mm) (fixed)
Package Dimensions: 0.248" Dia × 0.492" Height (fixed)
Mounting Type: Through Hole, Radial, Can (fixed)
Polarization: Polar (fixed)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp.	Operating Temp. Range	Product Status	RoHS Status
UVR1A331MED	Nichicon	330 µF	10 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	Obsolete	ROHS3 Compliant
10YXJ330M6.3X11	Rubycon	330 µF	10 V	±20%	6000 Hrs @ 105°C	-40°C ~ 105°C	Active	ROHS3 Compliant
10ZLH330MEFC6.3X11	Rubycon	330 µF	10 V	±20%	6000 Hrs @ 105°C	-40°C ~ 105°C	Active	ROHS3 Compliant
337CKE010M	Cornell Dubilier / Illinois Capacitor	330 µF	10 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	Active	ROHS3 Compliant
ECA-1AM331	Panasonic Electronic Components	330 µF	10 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	Active	ROHS3 Compliant
UVK1C331MED	Nichicon	330 µF	16 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	Obsolete	ROHS3 Compliant
10ZLJ330M6.3X11	Rubycon	330 µF	10 V	±20%	7000 Hrs @ 105°C	-40°C ~ 105°C	Active	ROHS3 Compliant
16PK330MEFC6.3X11	Rubycon	330 µF	16 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	Active	ROHS3 Compliant
16YXJ330M6.3X11	Rubycon	330 µF	16 V	±20%	7000 Hrs @ 105°C	-40°C ~ 105°C	Active	ROHS3 Compliant
16ZLQ330MEFC6.3X11	Rubycon	330 µF	16 V	±20%	3000 Hrs @ 105°C	-40°C ~ 105°C	Active	ROHS3 Compliant
337CKE016MGM	Cornell Dubilier / Illinois Capacitor	330 µF	16 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (10 V Rating):

Active manufacturer alternatives to UVR1A331MED include ECA-1AM331 (Panasonic), 10YXJ330M6.3X11 (Rubycon), 10ZLH330MEFC6.3X11 (Rubycon), 10ZLJ330M6.3X11 (Rubycon), and 337CKE010M (Cornell Dubilier). All are ROHS3 compliant and maintain identical electrical specifications. ECA-1AM331 matches the original thermal profile (2000 Hrs @ 85°C). Rubycon parts offer extended lifetime ratings at higher operating temperatures (6000-7000 Hrs @ 105°C), providing improved reliability margins. Cornell Dubilier 337CKE010M extends operating temperature to 105°C while maintaining 2000-hour lifetime.

For Voltage Upgrade (16 V Rating):

Higher voltage alternatives include UVK1C331MED (Nichicon), 16PK330MEFC6.3X11 (Rubycon), 16YXJ330M6.3X11 (Rubycon), 16ZLQ330MEFC6.3X11 (Rubycon), and 337CKE016MGM (Cornell Dubilier). All maintain 330 µF capacitance and ±20% tolerance with 16 V rating. These parts are suitable for applications where increased voltage margin is required or beneficial. All are ROHS3 compliant and active products.

Product Status Consideration:

All recommended substitutes are active products except UVK1C331MED, which shares obsolete status with the original part. Active product selection ensures long-term availability and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can I use a 16 V rated capacitor in place of a 10 V rated capacitor?

A: Yes. A 16 V rated capacitor with identical capacitance (330 µF) and tolerance (±20%) is electrically compatible in applications designed for 10 V operation. The higher voltage rating provides additional safety margin and does not affect circuit function.

Q: Are all substitute parts physically identical to the original UVR1A331MED?

A: All listed substitutes maintain identical lead spacing (0.098" / 2.50mm), case diameter (0.248" / 6.30mm), and maximum height (0.492" / 12.50mm). Physical compatibility with PCB layouts and through-hole mounting is preserved.

Q: What is the difference between direct equivalents and upgrade substitutes?

A: Direct equivalents maintain the original 10 V voltage rating and are suitable for one-to-one replacement. Upgrade substitutes provide 16 V rating, offering higher voltage headroom. Selection depends on application requirements and design margins.

Q: Why do some substitutes have longer lifetime ratings?

A: Lifetime ratings reflect capacitor performance at specified temperatures. Rubycon parts rated at 6000-7000 hours at 105°C provide extended operational life compared to the original 2000 hours at 85°C. This reflects improved dielectric and electrolyte formulations in active products.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, matching the compliance status of the original UVR1A331MED.

Q: Which substitute offers the best reliability for long-term applications?

A: Selection depends on operating conditions. For applications requiring extended lifetime at elevated temperatures, Rubycon 10ZLJ330M6.3X11 (7000 Hrs @ 105°C) or 16YXJ330M6.3X11 (7000 Hrs @ 105°C) provide the highest rated lifetime. For standard operating conditions, ECA-1AM331 (Panasonic) matches the original thermal profile while offering active product status.

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