Equivalent & Substitute Parts for UTM1E330MPD

Part Overview

The Nichicon UTM1E330MPD is a 33 µF, 25 V aluminum electrolytic capacitor in radial, can package with through-hole mounting. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. The UTM series has been discontinued, requiring selection from active or alternative product lines that maintain functional compatibility within specified electrical and mechanical parameters.

Key Parameters

Parameter	Value
Capacitance	33 µF
Voltage Rating	25 V
Tolerance	±20%
Operating Temperature Range	-40°C ~ 85°C
Lifetime @ Temperature	2000 Hrs @ 85°C
Lead Spacing	0.197" (5.00 mm)
Package Diameter	0.394" Dia (10.00 mm)
Height - Seated (Max)	0.669" (17.00 mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
Polarization	Polar

Substitute Part Grouping Explanation

Substitution for the UTM1E330MPD is determined by strict equivalence in the following parameters:

Capacitance: 33 µF (exact match required)
Tolerance: ±20% (acceptable match)
Lead Spacing: 0.197" (5.00 mm) (exact match required for PCB compatibility)
Package Diameter: 0.394" Dia (10.00 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: Radial, Can (exact match required)
Polarization: Polar (exact match required)

Substitute parts may exceed the original voltage rating (25 V) and operating temperature range without compromising functionality, as higher-rated components operate safely at lower stress levels. Lifetime specifications and ripple current ratings are secondary considerations and do not restrict substitution eligibility when primary parameters align.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Operating Temp	Lifetime @ Temp	Lead Spacing	Package Diameter	Height (Max)	Product Status
UTM1E330MPD	Nichicon	33 µF	25 V	±20%	-40°C ~ 85°C	2000 Hrs @ 85°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.669" (17.00 mm)	Obsolete
UPX1V330MPD1TD	Nichicon	33 µF	35 V	±20%	-55°C ~ 105°C	20000 Hrs @ 105°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.551" (14.00 mm)	Not For New Designs
UKL2A330KPD	Nichicon	33 µF	100 V	±10%	-40°C ~ 85°C	2000 Hrs @ 85°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.689" (17.50 mm)	Not For New Designs
UCY2C330MPD	Nichicon	33 µF	160 V	±20%	-40°C ~ 105°C	12000 Hrs @ 105°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.689" (17.50 mm)	Active
B41858C9336M000	EPCOS - TDK Electronics	33 µF	100 V	±20%	-55°C ~ 105°C	5000 Hrs @ 105°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.669" (17.00 mm)	Active
B43851F1336M000	EPCOS - TDK Electronics	33 µF	160 V	±20%	-40°C ~ 105°C	3000 Hrs @ 105°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.669" (17.00 mm)	Active
EKXE161ELL330MJ16S	Chemi-Con	33 µF	160 V	±20%	-40°C ~ 105°C	12000 Hrs @ 105°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.689" (17.50 mm)	Active
EKXF161ELL330MJ16S	Chemi-Con	33 µF	160 V	±20%	-40°C ~ 105°C	20000 Hrs @ 105°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.689" (17.50 mm)	Active
ELXV101ELL330MJ16S	Chemi-Con	33 µF	100 V	±20%	-55°C ~ 105°C	3000 Hrs @ 105°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.689" (17.50 mm)	Active
ESMQ161ELL330MJ16S	Chemi-Con	33 µF	160 V	±20%	-40°C ~ 85°C	2000 Hrs @ 85°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.689" (17.50 mm)	Active

Engineering Selection Recommendations

Primary Recommendation - Active Status Parts:

For new designs and ongoing production, select from components with Active product status. The following parts meet all mechanical and electrical compatibility requirements while offering current manufacturing support:

UCY2C330MPD (Nichicon): Active status, 160 V rating, 12000 Hrs @ 105°C lifetime. Nichicon manufacturer continuity provides supply chain stability.
B41858C9336M000 (EPCOS - TDK Electronics): Active status, 100 V rating, ROHS3 compliant, automotive-qualified. Suitable for applications requiring extended temperature range (-55°C ~ 105°C).
B43851F1336M000 (EPCOS - TDK Electronics): Active status, 160 V rating, ROHS3 compliant. Matches original height dimension (0.669").
EKXE161ELL330MJ16S (Chemi-Con): Active status, 160 V rating, 12000 Hrs @ 105°C lifetime, ROHS3 compliant.
EKXF161ELL330MJ16S (Chemi-Con): Active status, 160 V rating, extended 20000 Hrs @ 105°C lifetime, ROHS3 compliant.
ELXV101ELL330MJ16S (Chemi-Con): Active status, 100 V rating, AEC-Q200 automotive qualification, extended temperature range (-55°C ~ 105°C).
ESMQ161ELL330MJ16S (Chemi-Con): Active status, 160 V rating, matches original 2000 Hrs @ 85°C lifetime specification.

Secondary Consideration - Not For New Designs:

Parts classified as "Not For New Designs" may be used for legacy system maintenance and repair:

UPX1V330MPD1TD (Nichicon): Maintains Nichicon manufacturer lineage with improved specifications (35 V, 20000 Hrs @ 105°C). Height is reduced to 0.551" (14.00 mm), which may affect PCB layout compatibility.
UKL2A330KPD (Nichicon): Offers tighter tolerance (±10%), 100 V rating. Height increased to 0.689" (17.50 mm).

Compliance Considerations:

All substitute parts listed are ROHS3 compliant. Parts designated as REACH Unaffected (UPX1V330MPD1TD, UKL2A330KPD, B41858C9336M000, B43851F1336M000, EKXE161ELL330MJ16S, EKXF161ELL330MJ16S, ELXV101ELL330MJ16S, ESMQ161ELL330MJ16S) present no additional regulatory burden for EU market applications.

Frequently Asked Questions (FAQ)

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

A: Yes. A capacitor rated at 35 V, 100 V, or 160 V operates safely in a 25 V circuit. Higher voltage ratings indicate greater dielectric thickness and stress margin, making them functionally compatible. The original 25 V rating represents the maximum safe operating voltage, not a requirement for exact matching.

Q: What is the significance of lead spacing and package diameter?

A: Lead spacing (0.197" / 5.00 mm) and package diameter (0.394" / 10.00 mm) are fixed by PCB design. All substitute parts maintain these dimensions to ensure direct mechanical and electrical compatibility without PCB redesign.

Q: Why do some substitutes have different heights?

A: Height variation (0.551" to 0.689") reflects internal construction differences across manufacturers and voltage ratings. Verify clearance in your specific PCB layout. Parts with reduced height (UPX1V330MPD1TD at 0.551") may fit tighter spaces; parts with increased height (UCY2C330MPD, UKL2A330KPD, EKXE161ELL330MJ16S, EKXF161ELL330MJ16S, ELXV101ELL330MJ16S, ESMQ161ELL330MJ16S at 0.689") require adequate vertical clearance.

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

A: This designation indicates the manufacturer has discontinued the product line for new applications. These parts remain available from existing inventory but receive no further development or long-term supply guarantees. Use only for maintenance of legacy systems or when active alternatives are unavailable.

Q: Are there differences in ripple current handling?

A: Yes. Ripple current ratings vary by part. Higher ripple current capacity (e.g., ELXV101ELL330MJ16S at 500 mA @ 100 kHz) indicates better performance in high-frequency switching applications. The original UTM1E330MPD specification does not provide ripple current data, so this parameter is secondary to mechanical and electrical compatibility.

Q: Which substitute offers the longest operational lifetime?

A: EKXF161ELL330MJ16S and UPX1V330MPD1TD both specify 20000 Hrs @ 105°C, representing the extended lifetime available in this product category. Standard alternatives provide 3000-12000 Hrs @ 105°C.

Q: Is automotive qualification important for my application?

A: Automotive-qualified parts (ELXV101ELL330MJ16S with AEC-Q200 rating, B41858C9336M000 designated for automotive use) meet stricter reliability and temperature cycling standards. Select these if your application requires automotive-grade components or operates in extended temperature environments.

Q: Can I mix different substitute parts in the same circuit?

A: Yes, provided all parts meet the minimum electrical requirements of your circuit. Mixing parts with different voltage ratings (25 V, 35 V, 100 V, 160 V) is acceptable since higher-rated components operate safely at lower stress levels. Ensure mechanical fit if height varies significantly.

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