Nichicon UCA2C330MPD Equivalent & Substitute Parts

Part Overview

The Nichicon UCA2C330MPD is a 33 µF, 160 V aluminum electrolytic capacitor in radial, can package with a rated lifetime of 10,000 hours at 105°C. This part is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply availability, and accommodate evolving manufacturing standards while preserving electrical and mechanical compatibility within the specified parameter ranges.

Key Parameters

Parameter	Value
Capacitance	33 µF
Voltage Rating	160 V
Tolerance	±20%
Package Type	Radial, Can
Lead Spacing	0.197" (5.00 mm)
Diameter	0.394" (10.00 mm)
Mounting Type	Through Hole
Polarization	Polar
Operating Temperature Range	-25°C to 105°C
Lifetime @ 105°C	10,000 Hours

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Direct Equivalents (Same Voltage Rating - 160 V): Parts maintaining 33 µF capacitance, ±20% tolerance, 160 V voltage rating, identical lead spacing (5.00 mm), diameter (10.00 mm), and through-hole radial can package. These parts are mechanically and electrically interchangeable with the UCA2C330MPD.

Manufacturer-Recommended Substitutes (Active Status): The Nichicon UCS2C330MPD offers improved performance with extended operating temperature range (-40°C to 105°C) and higher ripple current capability while maintaining identical mechanical dimensions and electrical ratings.

Upgraded Voltage Ratings (200 V and 250 V): Parts with elevated voltage ratings (UCY2D330MPD at 200 V, UCY2E330MPD at 250 V, and Rubycon BXC series at 200 V and 250 V) are suitable for applications requiring higher voltage margins. These maintain identical capacitance, tolerance, mechanical form factor, and lead spacing.

Cross-Manufacturer Direct Equivalents (160 V): Rubycon 160BXC33MEFC10X20 and Panasonic EEU-ED2C330 provide equivalent electrical and mechanical specifications at the same 160 V rating from alternative manufacturers.

Cross-Manufacturer Upgraded Options: Rubycon 200BXC33MEFC10X20 and 250BXC33MEFC10X20, along with Chemi-Con EKXJ251ELL330MJ20S, offer higher voltage ratings with maintained mechanical compatibility.

Similar Performance Parts (Reduced Lifetime): Panasonic ECA-2CHG330 and ECA-2CHG330B maintain identical electrical and mechanical specifications but with reduced lifetime rating (2,000 hours at 105°C versus 10,000 hours).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Operating Temp. Range	Lead Spacing	Diameter	Height (Max)	Product Status	RoHS Status
UCA2C330MPD	Nichicon	33 µF	160 V	±20%	10,000 Hrs	-25°C ~ 105°C	5.00 mm	10.00 mm	21.50 mm	Obsolete	ROHS3
UCS2C330MPD	Nichicon	33 µF	160 V	±20%	8,000 Hrs	-40°C ~ 105°C	5.00 mm	10.00 mm	21.50 mm	Active	ROHS3
UCY2D330MPD	Nichicon	33 µF	200 V	±20%	12,000 Hrs	-40°C ~ 105°C	5.00 mm	10.00 mm	21.50 mm	Active	ROHS3
UCY2E330MPD	Nichicon	33 µF	250 V	±20%	12,000 Hrs	-40°C ~ 105°C	5.00 mm	10.00 mm	21.50 mm	Active	ROHS3
160BXC33MEFC10X20	Rubycon	33 µF	160 V	±20%	10,000 Hrs	-25°C ~ 105°C	5.00 mm	10.00 mm	22.00 mm	Active	ROHS3
200BXC33MEFC10X20	Rubycon	33 µF	200 V	±20%	10,000 Hrs	-25°C ~ 105°C	5.00 mm	10.00 mm	22.00 mm	Active	ROHS3
250BXC33MEFC10X20	Rubycon	33 µF	250 V	±20%	10,000 Hrs	-25°C ~ 105°C	5.00 mm	10.00 mm	22.00 mm	Active	ROHS3
EEU-ED2C330	Panasonic Electronic Components	33 µF	160 V	±20%	8,000 Hrs	-25°C ~ 105°C	5.00 mm	10.00 mm	20.00 mm	Active	ROHS3
EKXJ251ELL330MJ20S	Chemi-Con	33 µF	250 V	±20%	10,000 Hrs	-40°C ~ 105°C	5.00 mm	10.00 mm	21.50 mm	Active	ROHS3
ECA-2CHG330	Panasonic Electronic Components	33 µF	160 V	±20%	2,000 Hrs	-25°C ~ 105°C	5.00 mm	10.00 mm	22.00 mm	Active	ROHS3
ECA-2CHG330B	Panasonic Electronic Components	33 µF	160 V	±20%	2,000 Hrs	-25°C ~ 105°C	5.00 mm	10.00 mm	22.00 mm	Active	ROHS3

Engineering Selection Recommendations

For Direct Replacement (Same Electrical and Mechanical Specifications): Select UCS2C330MPD (Nichicon, active status) or 160BXC33MEFC10X20 (Rubycon, active status). Both maintain 33 µF, 160 V ratings with identical lead spacing and diameter. UCS2C330MPD offers extended operating temperature range (-40°C to 105°C). The Rubycon part provides equivalent performance with active product status and established supply availability.

For Enhanced Voltage Margin Applications: UCY2D330MPD (200 V) or UCY2E330MPD (250 V) from Nichicon, or 200BXC33MEFC10X20 and 250BXC33MEFC10X20 from Rubycon provide higher voltage ratings while maintaining identical capacitance and mechanical form factor. These are suitable for designs requiring increased voltage headroom.

For Automotive Applications: EKXJ251ELL330MJ20S (Chemi-Con) carries AEC-Q200 rating and is specified for automotive use at 250 V, 33 µF with active product status.

For Cost-Sensitive Applications with Reduced Lifetime Requirements: ECA-2CHG330 or ECA-2CHG330B (Panasonic) maintain electrical and mechanical compatibility at 160 V but with 2,000-hour lifetime rating at 105°C. These are suitable only for applications with lower thermal stress or shorter operational life requirements.

Frequently Asked Questions (FAQ)

Q: Can UCS2C330MPD directly replace UCA2C330MPD? A: Yes. Both parts maintain 33 µF capacitance, ±20% tolerance, 160 V voltage rating, 5.00 mm lead spacing, 10.00 mm diameter, and through-hole radial can package. UCS2C330MPD is active status and offers extended operating temperature range (-40°C to 105°C versus -25°C to 105°C).

Q: What is the difference between 160 V and 200 V rated parts? A: The voltage rating indicates the maximum continuous voltage the capacitor can withstand. 200 V and 250 V rated parts provide higher voltage margins for the same capacitance and mechanical dimensions. Selection depends on circuit voltage requirements and desired safety margin.

Q: Are Rubycon and Panasonic parts compatible with Nichicon specifications? A: Yes, for parts with matching capacitance (33 µF), voltage rating (160 V), tolerance (±20%), lead spacing (5.00 mm), diameter (10.00 mm), and through-hole radial can package. Mechanical compatibility is confirmed; electrical performance is equivalent within specified tolerances.

Q: Why do some parts have different height specifications? A: Height variations (20.00 mm to 22.00 mm) occur across manufacturers. Verify PCB layout clearance before substitution. Parts with 21.50 mm height (UCA2C330MPD, UCS2C330MPD, UCY series, Chemi-Con EKXJ251ELL330MJ20S) are closest to the original specification.

Q: What does "lifetime at 105°C" mean? A: This specifies the expected operational life of the capacitor under continuous operation at 105°C ambient temperature. UCA2C330MPD and Rubycon BXC series are rated 10,000 hours; Nichicon UCY series and Chemi-Con EKXJ251ELL330MJ20S are rated 12,000 hours; Panasonic ECA-2CHG series are rated 2,000 hours.

Q: Can ECA-2CHG330 replace UCA2C330MPD in all applications? A: Electrical and mechanical compatibility is confirmed. However, the significantly reduced lifetime rating (2,000 hours versus 10,000 hours at 105°C) restricts use to applications with lower thermal stress or shorter operational requirements.

Q: Is the UCA2C330MPD still available? A: The UCA2C330MPD is classified as obsolete. Active alternatives include UCS2C330MPD (Nichicon), 160BXC33MEFC10X20 (Rubycon), and EEU-ED2C330 (Panasonic) at the same 160 V rating.

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