Equivalent & Substitute Parts for UCY2C331MHD

Part Overview

The UCY2C331MHD is a 330 µF, 160 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 12000 hours at 105°C and is designed for general purpose applications. The part is currently active in production. Equivalent and substitute parts may be required due to inventory availability, design revisions, or application-specific performance requirements such as ripple current handling or lifetime specifications.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	160 V
Tolerance	±20%
Lifetime @ Temperature	12000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Polarization	Polar
Lead Spacing	0.295" (7.50mm)
Package Type	Radial, Can
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the UCY2C331MHD is determined by the following critical parameters:

Capacitance value: 330 µF (exact match required)
Voltage rating: 160 V (exact match required)
Tolerance: ±20% (exact match required)
Lead spacing: 0.295" (7.50mm) (exact match required for PCB compatibility)
Polarization: Polar (exact match required)
Package type: Radial, Can (exact match required)
Mounting type: Through Hole (exact match required)
Operating temperature range: -40°C ~ 105°C (exact match required)

Substitute parts are grouped into two categories: direct equivalents (same lifetime rating) and similar alternatives (different lifetime ratings or manufacturers). All listed substitutes maintain identical electrical specifications and physical footprints while varying in ripple current capacity and thermal lifetime performance.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Size Dia	Height (Max)	Ripple Current @ 120 Hz	Ripple Current @ 100 kHz	Product Status
UCY2C331MHD	Nichicon	UCY	330 µF	160 V	±20%	12000 Hrs	0.630" (16.00mm)	1.299" (33.00mm)	1.51 A	3.02 A	Active
UCY2C331MHD6	Nichicon	UCY	330 µF	160 V	±20%	12000 Hrs	0.709" (18.00mm)	1.043" (26.50mm)	1.445 A	2.89 A	Active
UVZ2C331MHD	Nichicon	UVZ	330 µF	160 V	±20%	2000 Hrs	0.709" (18.00mm)	1.634" (41.50mm)	750 mA	862.5 mA	Not For New Designs
EKXJ161ELL331MLN3S	Chemi-Con	KXJ	330 µF	160 V	±20%	12000 Hrs	0.630" (16.00mm)	1.319" (34.60mm)	1.35 A	3.0375 A	Active
EKXG161ELL331MMN3S	Chemi-Con	KXG	330 µF	160 V	±20%	10000 Hrs	0.709" (18.00mm)	1.240" (31.50mm)	1.39 A	3.1275 A	Active

Engineering Selection Recommendations

Direct Equivalent (Preferred for New Designs): EKXJ161ELL331MLN3S (Chemi-Con KXJ series) is the recommended substitute. It maintains the same 12000-hour lifetime at 105°C, identical electrical specifications, and compact physical dimensions matching the original part. This part carries AEC-Q200 automotive qualification and is actively produced.

Alternative Equivalent (Same Lifetime): UCY2C331MHD6 (Nichicon UCY series) is an active production equivalent with identical 12000-hour lifetime. Physical dimensions differ slightly (larger diameter, reduced height), requiring PCB layout verification before substitution.

Legacy Alternative (Not Recommended for New Designs): UVZ2C331MHD (Nichicon UVZ series) is marked "Not For New Designs" and features reduced lifetime (2000 hours at 105°C) and lower ripple current capacity. This part is suitable only for legacy system maintenance where original specifications are not critical.

Secondary Alternative: EKXG161ELL331MMN3S (Chemi-Con KXG series) provides 10000-hour lifetime at 105°C with active production status. Physical dimensions differ from the original part and require PCB verification.

Frequently Asked Questions (FAQ)

Q: Can UCY2C331MHD6 be used as a direct replacement for UCY2C331MHD? A: Electrically yes, but physical dimensions differ. The UCY2C331MHD6 has a larger diameter (0.709" vs 0.630") and reduced height (1.043" vs 1.299"). PCB layout must be verified to confirm the component fits within the allocated space.

Q: What is the difference between the Nichicon and Chemi-Con substitutes? A: Both manufacturers provide equivalent electrical performance at 330 µF, 160 V with ±20% tolerance. Chemi-Con parts (EKXJ and EKXG series) are actively produced, while some Nichicon alternatives are legacy designs. Chemi-Con KXJ series includes AEC-Q200 automotive qualification.

Q: Why is UVZ2C331MHD marked "Not For New Designs"? A: This part has a significantly reduced lifetime specification (2000 hours at 105°C versus 12000 hours for the original). It is retained for legacy system support only and should not be used in new product designs.

Q: Are all substitutes RoHS3 compliant? A: Yes, all listed substitute parts are ROHS3 compliant and suitable for applications requiring RoHS compliance.

Q: What is the impact of different ripple current ratings? A: Ripple current capacity determines the maximum AC current the capacitor can handle at specified frequencies. Lower ripple current ratings (UVZ2C331MHD at 750 mA @ 120 Hz) indicate reduced thermal performance compared to higher ratings (UCY2C331MHD at 1.51 A @ 120 Hz). Application circuits must not exceed the ripple current specification of the selected part.

Q: Can I use EKXG161ELL331MMN3S if my design requires 12000-hour lifetime? A: No. EKXG161ELL331MMN3S is rated for 10000 hours at 105°C, which is below the 12000-hour specification. Use EKXJ161ELL331MLN3S or UCY2C331MHD6 for 12000-hour lifetime requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message