Equivalent & Substitute Parts for MVH25VC33RMF60TP

Part Overview

The MVH25VC33RMF60TP is a 33 µF, 25 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Chemi-Con. This component is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing production and maintenance applications. The part operates across a temperature range of -40°C to 125°C with a rated lifetime of 1000 hours at 125°C, suitable for general-purpose applications requiring stable capacitance and low equivalent series resistance.

Substiute Parts

MVH25VC33RMF60TP

Chemi-ConIn Stock: 917MVH25VC33RMF60TP Datasheet

Current PartRFQ

UCZ1E330MCL1GS

NichiconIn Stock: 1887UCZ1E330MCL1GS Datasheet

DirectRFQ

35THV33M6.3X6.1

RubyconIn Stock: 66335THV33M6.3X6.1 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MVH25VC33RMF60TP is determined by strict equivalence in the following critical parameters:

Primary Equivalence Criteria:

• Capacitance: 33 µF (exact match required)
• Tolerance: ±20% (exact match required)
• Voltage Rating: 25 V minimum (equal or higher voltage acceptable)
• Polarization: Polar (exact match required)
• Mounting Type: Surface Mount (exact match required)
• Package / Case: Radial, Can - SMD (exact match required)
• Physical Dimensions: 0.248" Dia (6.30mm) and compatible height (maximum 0.240" acceptable)
• Surface Mount Land Size: 0.260" L x 0.260" W (6.60mm x 6.60mm) (exact match required)

Secondary Performance Parameters:

• ESR (Equivalent Series Resistance): Lower values indicate improved performance
• Lifetime @ Temperature: Equal or greater lifetime acceptable
• Operating Temperature Range: Must encompass -40°C to 125°C
• Ripple Current Capability: Equal or greater values acceptable

Substitute parts are classified into two categories:

Direct Substitute (Equivalent): UCZ1E330MCL1GS (Nichicon) - Maintains identical electrical specifications and physical form factor with improved ESR performance.

Upgrade Substitute: 35THV33M6.3X6.1 (Rubycon) - Provides higher voltage rating (35 V), improved ESR, extended lifetime (2000 Hrs @ 125°C), and automotive-grade compliance (AEC-Q200).

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Pin-Compatible, Electrical Equivalent):

The UCZ1E330MCL1GS (Nichicon) serves as a direct substitute for the MVH25VC33RMF60TP. Both components maintain identical capacitance (33 µF), tolerance (±20%), voltage rating (25 V), and physical form factor. The UCZ1E330MCL1GS provides superior performance through reduced ESR (1.6 Ohm versus 3.3 Ohm), enabling lower heat dissipation and improved transient response. The substitute achieves ROHS3 compliance, addressing environmental regulatory requirements. Physical compatibility is confirmed through matching surface mount land size (0.260" L x 0.260" W) and compatible height dimensions (0.240" maximum versus 0.224" original). The UCZ series is classified as "Not For New Designs," indicating limited future availability; however, current inventory of 1833 pieces supports immediate production requirements.

For Upgraded Performance (Higher Voltage, Extended Lifetime):

The 35THV33M6.3X6.1 (Rubycon) functions as an upgrade substitute, providing enhanced electrical and reliability characteristics. The elevated voltage rating (35 V versus 25 V) increases design margin and circuit protection. ESR is further reduced to 1 Ohm at 100 kHz, delivering superior ripple current handling (70 mA @ 100 kHz versus 45 mA @ 100 kHz). Lifetime is doubled to 2000 hours at 125°C, extending component service life. The part carries AEC-Q200 automotive qualification and ROHS3 compliance. Physical dimensions remain compatible with the original design footprint. The 35THV33M6.3X6.1 is classified as "Active," ensuring long-term availability and supply chain stability. This substitute is appropriate for applications requiring enhanced reliability, automotive-grade components, or designs operating near thermal limits.

Frequently Asked Questions (FAQ)

Q1: Can the UCZ1E330MCL1GS be used as a direct replacement for the MVH25VC33RMF60TP without circuit modification?

A: Yes. The UCZ1E330MCL1GS maintains identical capacitance (33 µF), tolerance (±20%), voltage rating (25 V), and surface mount package specifications. Physical dimensions are compatible with the original PCB footprint. No circuit modifications are required. The reduced ESR (1.6 Ohm) provides improved performance characteristics without affecting circuit functionality.

Q2: What is the primary advantage of the 35THV33M6.3X6.1 upgrade substitute?

A: The 35THV33M6.3X6.1 provides three key advantages: (1) higher voltage rating (35 V) increases design safety margin, (2) significantly lower ESR (1 Ohm) reduces heat generation and improves transient response, and (3) doubled lifetime (2000 Hrs @ 125°C) extends component reliability. Additionally, AEC-Q200 automotive qualification and ROHS3 compliance address regulatory and quality requirements.

Q3: Are there height clearance concerns when substituting with UCZ1E330MCL1GS or 35THV33M6.3X6.1?

A: The original MVH25VC33RMF60TP has a maximum seated height of 0.224" (5.70mm). Both substitute parts have a maximum seated height of 0.240" (6.10mm), representing a 0.016" (0.40mm) increase. Verify PCB layout clearance above the component location. In most applications with standard PCB spacing, this height difference is accommodated without design modification.

Q4: What is the difference between "Direct Substitute" and "Upgrade Substitute" classifications?

A: A Direct Substitute (UCZ1E330MCL1GS) maintains electrical and physical equivalence to the original part, enabling drop-in replacement. An Upgrade Substitute (35THV33M6.3X6.1) provides enhanced performance characteristics (higher voltage, lower ESR, extended lifetime) while maintaining physical compatibility. Upgrade substitutes are appropriate when improved reliability or performance margins are beneficial.

Q5: Why is the MVH25VC33RMF60TP classified as obsolete?

A: Obsolete status indicates the manufacturer (Chemi-Con) has discontinued production. The substitute parts UCZ1E330MCL1GS and 35THV33M6.3X6.1 provide equivalent or superior functionality from active manufacturers, ensuring continued component availability for production and maintenance applications.

Q6: Are RoHS compliance differences significant when selecting a substitute?

A: The original MVH25VC33RMF60TP is RoHS non-compliant. Both substitute parts (UCZ1E330MCL1GS and 35THV33M6.3X6.1) are ROHS3 compliant. For applications subject to environmental regulations or customer requirements mandating RoHS compliance, the substitute parts satisfy these requirements. For legacy systems without RoHS mandates, compliance status does not affect electrical performance.

Q7: How do ripple current specifications compare across the three parts?

A: The MVH25VC33RMF60TP supports 45 mA ripple current at 100 kHz. The UCZ1E330MCL1GS supports 34.5 mA at 120 Hz (lower frequency specification). The 35THV33M6.3X6.1 supports 70 mA at 100 kHz (highest capability). For applications with high-frequency ripple current demands, the 35THV33M6.3X6.1 provides superior performance margin.

Q8: What inventory considerations apply to these substitute parts?

A: Current inventory status shows MVH25VC33RMF60TP: 861 pieces (obsolete, limited future supply); UCZ1E330MCL1GS: 1833 pieces (not for new designs, moderate availability); 35THV33M6.3X6.1: 650 pieces (active product, long-term availability). For new designs, the 35THV33M6.3X6.1 is recommended. For legacy system maintenance, either substitute provides immediate availability.