UAS2D330MPD Equivalent & Substitute Parts

Part Overview

The UAS2D330MPD is a 33 µF, 200 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 2000 hours at 105°C and is designed for general-purpose applications requiring polar capacitive filtering. The part is currently active in production. Equivalent and substitute parts may be required due to inventory constraints, design upgrades for extended lifetime performance, voltage rating increases, or manufacturer preference changes in production environments.

Key Parameters

Parameter	Value
Capacitance	33 µF
Voltage Rating	200 V
Tolerance	±20%
Lifetime @ 105°C	2000 Hrs
Operating Temperature Range	-40°C to 105°C
Polarization	Polar
Lead Spacing	0.197" (5.00 mm)
Case Diameter	0.394" (10.00 mm)
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the UAS2D330MPD is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Capacitance: 33 µF
Voltage Rating: 200 V or higher
Tolerance: ±20%
Polarization: Polar
Lead Spacing: 0.197" (5.00 mm)
Case Diameter: 0.394" (10.00 mm)
Mounting Type: Through Hole
Package Type: Radial, Can

Allowable Variations:

Lifetime @ 105°C: May exceed 2000 hours (upgrade path)
Height: Minor variations acceptable within mechanical envelope constraints
Ripple Current: May exceed minimum requirements
Manufacturer: Different manufacturers permitted if electrical and mechanical parameters align

Substitution Categories:

Direct Equivalents (Same Electrical Specifications): Parts with identical 33 µF, 200 V ratings and 2000-hour lifetime at 105°C, differing only in manufacturer or minor mechanical dimensions.

Enhanced Equivalents (Improved Lifetime): Parts with identical 33 µF, 200 V ratings but extended lifetime ratings (8000+ hours at 105°C), providing superior reliability without design changes.

Voltage Upgrades: Parts with identical 33 µF capacitance but higher voltage ratings (250 V), suitable for applications requiring increased voltage margin or design flexibility.

Parametric Equivalents (Obsolete or Legacy): Parts with matching electrical specifications but discontinued or not recommended for new designs, suitable only for legacy system maintenance.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ 105°C	Case Dia	Height (Max)	Product Status	Ripple Current @ 100 kHz
UAS2D330MPD	Nichicon	33 µF	200 V	2000 Hrs	0.394" (10.00 mm)	0.866" (22.00 mm)	Active	256 mA
UCS2D330MPD	Nichicon	33 µF	200 V	8000 Hrs	0.394" (10.00 mm)	0.846" (21.50 mm)	Active	650 mA
UPW2D330MHD	Nichicon	33 µF	200 V	7000 Hrs	0.492" (12.50 mm)	0.984" (25.00 mm)	Obsolete	304 mA
UVY2D330MPD	Nichicon	33 µF	200 V	2000 Hrs	0.394" (10.00 mm)	0.866" (22.00 mm)	Not For New Designs	161 mA
EKXG201ELL330MJ20S	Chemi-Con	33 µF	200 V	8000 Hrs	0.394" (10.00 mm)	0.787" (20.00 mm)	Active	650 mA
200PX33MEFC10X20	Rubycon	33 µF	200 V	2000 Hrs	0.394" (10.00 mm)	0.866" (22.00 mm)	Active	210 mA
250PX33MEFC10X20	Rubycon	33 µF	250 V	2000 Hrs	0.394" (10.00 mm)	0.866" (22.00 mm)	Active	210 mA
EKXJ251ELL330MJ20S	Chemi-Con	33 µF	250 V	10000 Hrs	0.394" (10.00 mm)	0.846" (21.50 mm)	Active	600 mA

Engineering Selection Recommendations

For Direct Replacement (Same Specifications): UCS2D330MPD (Nichicon) and EKXG201ELL330MJ20S (Chemi-Con) are active production parts with identical electrical specifications to the UAS2D330MPD. Both offer extended 8000-hour lifetime at 105°C, providing improved reliability over the original 2000-hour rating. Both are ROHS3 compliant and suitable for new designs.

For Legacy System Maintenance: UVY2D330MPD (Nichicon) maintains identical electrical specifications but is marked "Not For New Designs." This part is suitable only for maintaining existing systems where the original UAS2D330MPD is unavailable. UPW2D330MHD (Nichicon) is obsolete and should be avoided; it also requires larger PCB footprint due to increased case diameter and height.

For Voltage Margin Applications: 250PX33MEFC10X20 (Rubycon) and EKXJ251ELL330MJ20S (Chemi-Con) provide 250 V ratings with identical 33 µF capacitance. EKXJ251ELL330MJ20S offers superior 10000-hour lifetime at 105°C and AEC-Q200 automotive qualification. These are suitable when design specifications permit higher voltage ratings.

For General-Purpose Substitution: 200PX33MEFC10X20 (Rubycon) matches the UAS2D330MPD electrical specifications exactly and is active in production. This part is suitable for direct replacement in applications where manufacturer diversity is acceptable.

Frequently Asked Questions (FAQ)

Q: Can UCS2D330MPD replace UAS2D330MPD directly on the PCB? A: Yes. Both parts share identical capacitance (33 µF), voltage rating (200 V), tolerance (±20%), lead spacing (5.00 mm), and case diameter (10.00 mm). The UCS2D330MPD has a slightly reduced height (21.50 mm vs. 22.00 mm), which is mechanically compatible. The extended 8000-hour lifetime is a performance upgrade.

Q: What is the difference between the Nichicon and Chemi-Con parts? A: Both UCS2D330MPD (Nichicon) and EKXG201ELL330MJ20S (Chemi-Con) meet identical electrical specifications for the UAS2D330MPD. The Chemi-Con part has a reduced height (20.00 mm) and is suitable for space-constrained applications. Both are active production parts with ROHS3 compliance.

Q: Can I use a 250 V rated capacitor in place of a 200 V part? A: Yes, provided all other parameters match. A higher voltage rating provides additional safety margin and is electrically compatible. 250PX33MEFC10X20 and EKXJ251ELL330MJ20S are suitable upgrades. However, verify that the PCB layout and mechanical envelope accommodate any height differences.

Q: Why is UPW2D330MHD listed as obsolete? A: UPW2D330MHD is marked obsolete and should not be used for new designs. Additionally, this part requires a larger PCB footprint (case diameter 12.50 mm vs. 10.00 mm and height 25.00 mm vs. 22.00 mm), making it mechanically incompatible with the UAS2D330MPD footprint.

Q: Is EKXJ251ELL330MJ20S suitable for automotive applications? A: Yes. EKXJ251ELL330MJ20S carries AEC-Q200 automotive qualification and is rated for 10000 hours at 105°C. It is suitable for automotive-grade applications requiring extended reliability. The 250 V rating provides additional voltage margin.

Q: What is the ripple current significance when selecting a substitute? A: Ripple current capacity indicates the maximum AC current the capacitor can handle without exceeding temperature limits. Higher ripple current ratings (e.g., 650 mA @ 100 kHz in UCS2D330MPD vs. 256 mA in UAS2D330MPD) indicate improved thermal performance and suitability for high-frequency switching applications. Verify that the application's ripple current requirement does not exceed the substitute part's rating.

Q: Can UVY2D330MPD be used in new designs? A: No. UVY2D330MPD is marked "Not For New Designs." This part is reserved for legacy system maintenance only. Use active production alternatives such as UCS2D330MPD or EKXG201ELL330MJ20S for new designs.

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