MVH35VC331MK14TP Equivalent & Substitute Parts

Part Overview

The MVH35VC331MK14TP is a 330 µF, 35 V aluminum electrolytic capacitor manufactured by Chemi-Con in surface mount radial can package. This component is classified as obsolete, indicating discontinuation from active production. Identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing manufacturing or repair operations for systems utilizing this capacitor.

Substiute Parts

MVH35VC331MK14TP

Chemi-ConIn Stock: 962MVH35VC331MK14TP Datasheet

Current PartRFQ

EMVH350ARA331MKE0S

Chemi-ConIn Stock: 969EMVH350ARA331MKE0S Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MVH35VC331MK14TP is determined by strict alignment with the following parameters:

Critical Matching Parameters:

• Capacitance value: 330 µF (exact match required)
• Voltage rating: 35 V (minimum; higher ratings acceptable)
• ESR specification: 140 mOhm @ 120Hz or equivalent performance at specified frequency
• Lifetime rating: 5000 Hrs @ 125°C (minimum)
• Operating temperature range: -40°C ~ 125°C (minimum coverage required)
• Package type: Radial, Can - SMD (exact match required)
• Case dimensions: 12.50 mm diameter, 13.50 mm height maximum (exact match required)
• Land size: 13.00 mm x 13.00 mm (exact match required)
• Mounting type: Surface Mount (exact match required)
• Polarization: Polar (exact match required)

Secondary Compatibility Parameters:

• Tolerance: ±20% (acceptable if matched)
• Ripple current rating: 750 mA @ 100 kHz (acceptable if met or exceeded)
• Moisture sensitivity level: 1 (Unlimited) (acceptable if matched or lower MSL)

The substitute part EMVH350ARA331MKE0S meets all critical parameters while offering improved product status (Active vs. Obsolete) and enhanced compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: EMVH350ARA331MKE0S

The EMVH350ARA331MKE0S is the qualified substitute for MVH35VC331MK14TP based on the following engineering criteria:

1. Electrical Equivalence: All critical electrical parameters match or exceed the original specification. Capacitance (330 µF), voltage rating (35 V), ESR (140 mOhm), lifetime (5000 Hrs @ 125°C), and ripple current (750 mA @ 100 kHz) are identical or functionally equivalent.

2. Mechanical Compatibility: Physical dimensions, package type, and land size are identical. Direct PCB footprint compatibility is confirmed. No layout modifications are required.

3. Thermal Performance: Operating temperature range (-40°C ~ 125°C) and lifetime rating at maximum temperature are identical, ensuring equivalent thermal reliability.

4. Product Status: The substitute part is Active, ensuring ongoing availability and supply chain continuity compared to the Obsolete status of the original part.

5. Regulatory Compliance: EMVH350ARA331MKE0S is ROHS3 compliant, providing improved environmental and regulatory alignment compared to the non-compliant original part. Both parts maintain identical REACH and ECCN classifications.

6. Packaging Consideration: The substitute is supplied in Tape & Reel (TR) format, which is standard for high-volume manufacturing operations. The original part is supplied in bulk format. This difference does not affect electrical or mechanical performance but may require adjustment to procurement and assembly processes.

Selection Conclusion: EMVH350ARA331MKE0S is a direct functional and mechanical equivalent suitable for immediate substitution in all applications where MVH35VC331MK14TP was originally specified.

Frequently Asked Questions (FAQ)

Q1: Can EMVH350ARA331MKE0S be used as a direct replacement for MVH35VC331MK14TP without circuit modifications?

A: Yes. All critical electrical parameters (capacitance, voltage, ESR, lifetime, temperature range) are identical or equivalent. Physical dimensions and land sizes match exactly. No circuit modifications are required. The substitute part is mechanically and electrically compatible with existing PCB designs.

Q2: What is the difference between the ESR specifications listed at different frequencies (120Hz vs. 100kHz)?

A: ESR varies with frequency due to the internal impedance characteristics of aluminum electrolytic capacitors. The original part specifies 140 mOhm @ 120Hz; the substitute specifies 140 mOhm @ 100kHz. Both values are equivalent for practical circuit applications. The substitute additionally provides 375 mA ripple current @ 120 Hz, offering additional performance data not specified in the original part.

Q3: Does the change from bulk packaging to Tape & Reel format affect component performance?

A: No. Packaging format (bulk vs. Tape & Reel) affects only procurement, storage, and assembly logistics. It does not alter electrical performance, reliability, or mechanical fit. Tape & Reel format is standard for automated surface mount assembly processes.

Q4: Is the ROHS3 compliance improvement significant for existing designs?

A: ROHS3 compliance indicates adherence to current environmental and hazardous substance restrictions. For new designs or systems requiring regulatory compliance, ROHS3 compliance is advantageous. For existing systems using the non-compliant original part, the compliant substitute provides improved environmental alignment without affecting circuit performance.

Q5: Are there any thermal or reliability differences between the two parts?

A: No. Both parts specify identical lifetime ratings (5000 Hrs @ 125°C) and operating temperature ranges (-40°C ~ 125°C). Thermal performance and reliability are equivalent.

Q6: What is the Moisture Sensitivity Level (MSL) rating, and why is it identical for both parts?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. Both parts carry this rating, confirming identical moisture sensitivity characteristics.

Q7: Can the substitute part handle the same ripple current as the original?

A: Yes. Both parts are rated for 750 mA ripple current @ 100 kHz. The substitute additionally specifies 375 mA @ 120 Hz, providing more complete ripple current performance data.

Q8: Are there any compatibility issues with existing PCB designs?

A: No. Identical case dimensions (12.50 mm diameter, 13.50 mm height) and land sizes (13.00 x 13.00 mm) ensure direct PCB compatibility. No layout modifications or rework is required.

Q9: What certifications and regulatory classifications apply to both parts?

A: Both parts share identical REACH (REACH Unaffected) and ECCN (EAR99) classifications. The substitute adds ROHS3 compliance. Both parts carry identical HTSUS code (8532.22.0020) for tariff and trade purposes.

Q10: Is the substitute part available in the same quantities as the original?

A: Availability depends on current inventory and supplier stock. The substitute part is Active (ongoing production), whereas the original is Obsolete (discontinued). Active status generally ensures better long-term availability and supply reliability.