UVZ2D331MRD Equivalent & Substitute Parts

Part Overview

The UVZ2D331MRD is a 330 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 energy storage. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing maintenance, repair, and legacy system support.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	200 V
Tolerance	±20%
Lifetime @ 105°C	2000 Hrs
Operating Temperature Range	-40°C to 105°C
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can
Lead Spacing	0.394" (10.00 mm)
Diameter	0.787" (20.00 mm)
Height	1.654" (42.00 mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UVZ2D331MRD is determined by the following critical parameters:

Capacitance Value: 330 µF (exact match required)
Voltage Rating: Minimum 200 V (equal or higher acceptable)
Tolerance: ±20% (standard for this category)
Polarization: Polar (mandatory)
Mounting Type: Through Hole (required for PCB compatibility)
Package Type: Radial, Can (physical form factor)
Lead Spacing: 0.394" (10.00 mm) or 0.295" (7.50 mm) acceptable with PCB layout verification
Operating Temperature: -40°C to 105°C minimum (standard range)

Substitute parts are grouped into two categories:

Category 1 - Direct Voltage Upgrade: Parts with identical capacitance and tolerance but higher voltage rating (250 V). These provide enhanced voltage margin and are electrically compatible.

Category 2 - Same Voltage, Enhanced Lifetime: Parts with identical capacitance, voltage, and tolerance but extended operational lifetime (8000 Hrs to 12000 Hrs @ 105°C). These offer improved reliability for the same electrical specifications.

Category 3 - Cross-Manufacturer Equivalents: Parts from alternative manufacturers (Chemi-Con) meeting identical electrical specifications and mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Lead Spacing	Diameter	Height	Product Status	Inventory
UVZ2D331MRD	Nichicon	330 µF	200 V	±20%	2000 Hrs	0.394" (10.00 mm)	0.787" (20.00 mm)	1.654" (42.00 mm)	Obsolete	1125 Pcs
UVY2E331MRD	Nichicon	330 µF	250 V	±20%	2000 Hrs	0.394" (10.00 mm)	0.787" (20.00 mm)	1.654" (42.00 mm)	Obsolete	752 Pcs
LDQ2D331MERYGA	Nichicon	330 µF	200 V	±20%	2000 Hrs	0.295" (7.50 mm)	0.787" (20.00 mm)	0.787" (20.00 mm)	Active	1019 Pcs
UAS2D331MHD	Nichicon	330 µF	200 V	±20%	2000 Hrs	0.295" (7.50 mm)	0.709" (18.00 mm)	1.654" (42.00 mm)	Active	778 Pcs
UCS2D331MHD	Nichicon	330 µF	200 V	±20%	10000 Hrs	0.295" (7.50 mm)	0.709" (18.00 mm)	1.457" (37.00 mm)	Active	4350 Pcs
UCY2D331MHD	Nichicon	330 µF	200 V	±20%	12000 Hrs	0.295" (7.50 mm)	0.630" (16.00 mm)	1.634" (41.50 mm)	Active	1154 Pcs
UCY2D331MHD6	Nichicon	330 µF	200 V	±20%	12000 Hrs	0.295" (7.50 mm)	0.709" (18.00 mm)	1.299" (33.00 mm)	Active	1498 Pcs
UPW2D331MRD	Nichicon	330 µF	200 V	±20%	8000 Hrs	0.394" (10.00 mm)	0.866" (22.00 mm)	1.575" (40.00 mm)	Obsolete	1157 Pcs
UVY2D331MHD	Nichicon	330 µF	200 V	±20%	2000 Hrs	0.295" (7.50 mm)	0.709" (18.00 mm)	1.654" (42.00 mm)	Not For New Designs	824 Pcs
EKXG201ELL331MMP1S	Chemi-Con	330 µF	200 V	±20%	10000 Hrs	0.295" (7.50 mm)	0.709" (18.00 mm)	1.398" (35.50 mm)	Active	805 Pcs

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications)

UAS2D331MHD and UVY2D331MHD maintain the same electrical specifications as the UVZ2D331MRD. Both are active or available products from Nichicon. UAS2D331MHD is currently active and recommended for new applications requiring this specification set. Lead spacing differs (0.295" vs. 0.394"), requiring PCB layout verification before substitution.

For Enhanced Reliability (Extended Lifetime)

UCS2D331MHD (10000 Hrs @ 105°C) and UCY2D331MHD or UCY2D331MHD6 (12000 Hrs @ 105°C) provide extended operational lifetime while maintaining identical electrical parameters. These parts are active products suitable for applications where extended service life is required. Mechanical dimensions vary; PCB compatibility must be confirmed.

For Voltage Margin Enhancement

UVY2E331MRD provides a 250 V rating versus the original 200 V specification, offering additional voltage headroom. This part is obsolete but available in inventory. Mechanical dimensions are identical to the UVZ2D331MRD, enabling direct physical substitution.

For Cross-Manufacturer Compatibility

EKXG201ELL331MMP1S from Chemi-Con meets identical electrical specifications with 10000 Hrs lifetime rating. This part is active and provides an alternative source for the 330 µF, 200 V specification. Lead spacing and height differ from the original; PCB layout verification is required.

Product Status Considerations

Parts marked as Active (UAS2D331MHD, UCS2D331MHD, UCY2D331MHD, UCY2D331MHD6, EKXG201ELL331MMP1S) are suitable for new designs and ongoing production. Parts marked as Obsolete or Not For New Designs should be used only for legacy system maintenance and repair.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage-rated capacitor as a substitute?

A: Yes. A 250 V rated capacitor (UVY2E331MRD) is electrically compatible with a 200 V application. Higher voltage ratings provide additional safety margin and do not degrade performance in lower-voltage circuits.

Q: Does extended lifetime affect electrical performance?

A: No. Extended lifetime ratings (8000 Hrs, 10000 Hrs, 12000 Hrs @ 105°C) indicate improved capacitor construction and materials but do not change the capacitance, voltage, or tolerance specifications. Electrical performance remains identical.

Q: Are lead spacing differences critical?

A: Yes. The original UVZ2D331MRD uses 0.394" (10.00 mm) lead spacing. Substitutes with 0.295" (7.50 mm) spacing require PCB layout verification to confirm hole pattern compatibility. Physical installation may not be possible without PCB modification.

Q: Can I substitute a Chemi-Con part for a Nichicon part?

A: Yes, provided electrical specifications match exactly. EKXG201ELL331MMP1S from Chemi-Con meets the 330 µF, 200 V, ±20% specification. Mechanical dimensions must be verified for PCB compatibility.

Q: What does "Not For New Designs" mean?

A: This status indicates the part is available but Nichicon recommends using alternative active products for new applications. For legacy system repair, these parts remain functionally suitable.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 compliance certification, matching the original UVZ2D331MRD specification.

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