Equivalent & Substitute Parts for 35MS74.7MEFC4X7

Part Overview

The Rubycon 35MS74.7MEFC4X7 is a 4.7 µF, 35 V aluminum electrolytic capacitor in radial, can package with a rated lifetime of 1000 hours at 85°C. This part is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for production and repair applications.

Substiute Parts

35MS74.7MEFC4X7

RubyconIn Stock: 103635MS74.7MEFC4X7 Datasheet

Current PartRFQ

35MH74.7MEFC4X7

RubyconIn Stock: 326235MH74.7MEFC4X7 Datasheet

UpgradeRFQ

50MS74.7MEFC4X7

RubyconIn Stock: 129250MS74.7MEFC4X7 Datasheet

UpgradeRFQ

ECE-A1VKS4R7

Panasonic Electronic ComponentsIn Stock: 9636ECE-A1VKS4R7 Datasheet

DirectRFQ

EKMA350ELL4R7MD07D

Chemi-ConIn Stock: 1171EKMA350ELL4R7MD07D Datasheet

UpgradeRFQ

475RSS035M

Cornell Dubilier / Illinois CapacitorIn Stock: 772475RSS035M Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 35MS74.7MEFC4X7 is determined by the following criteria:

Primary Substitution Parameters:

• Capacitance: 4.7 µF (exact match required)
• Tolerance: ±20% (exact match required)
• Voltage Rating: 35 V minimum (equal or higher acceptable)
• Package Type: Radial, Can (exact match required)
• Lead Spacing: 0.059" (1.50mm) (exact match required)
• Physical Dimensions: 0.157" Dia (4.00mm) (exact match required)
• Mounting Type: Through Hole (exact match required)
• Polarization: Polar (exact match required)

Secondary Considerations:

• Operating temperature range (higher range acceptable)
• Lifetime rating at temperature (higher acceptable)
• Product status (active preferred over obsolete)
• RoHS and REACH compliance

Substitute parts are grouped into three categories: Upgrade (improved specifications), Direct (equivalent specifications), and Parametric Equivalent (same electrical performance).

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Same Specifications): The Panasonic ECE-A1VKS4R7 provides direct electrical equivalence with identical capacitance, voltage rating, tolerance, and operating temperature range. This part is active and ROHS3 compliant. Physical height is reduced to 0.236" (6.00mm), which may provide space advantages in compact designs while maintaining the same lead spacing and diameter.

Upgrade Options (Enhanced Performance): The Rubycon 35MH74.7MEFC4X7 and Chemi-Con EKMA350ELL4R7MD07D both offer extended operating temperature ranges (-40°C ~ 105°C) and improved lifetime ratings at elevated temperature (1000 Hrs @ 105°C). Both are ROHS3 compliant. The Chemi-Con part extends the lower operating temperature to -55°C. These upgrades are suitable for applications requiring enhanced thermal performance.

Higher Voltage Alternative: The Rubycon 50MS74.7MEFC4X7 maintains identical capacitance and tolerance with an increased voltage rating of 50 V. This part is suitable for applications where higher voltage margin is required while maintaining the same physical footprint and lead spacing.

Parametric Equivalent: The Cornell Dubilier / Illinois Capacitor 475RSS035M provides parametric equivalence with specified ESR of 42.328 Ohm @ 120Hz. This part is active and ROHS3 compliant, with identical electrical specifications to the original part.

All substitute parts maintain ROHS3 compliance and are suitable for direct replacement based on the specified selection criteria.

Frequently Asked Questions (FAQ)

Q: Can the ECE-A1VKS4R7 be used as a direct replacement for the 35MS74.7MEFC4X7? A: Yes. The ECE-A1VKS4R7 meets all primary substitution parameters: 4.7 µF capacitance, ±20% tolerance, 35 V rating, radial can package, 0.059" lead spacing, 0.157" diameter, and through-hole mounting. The reduced height of 0.236" (6.00mm) versus 0.315" (8.00mm) provides additional design flexibility.

Q: What is the difference between the upgrade parts 35MH74.7MEFC4X7 and EKMA350ELL4R7MD07D? A: Both parts offer extended operating temperature ranges and improved lifetime ratings at 105°C. The Chemi-Con EKMA350ELL4R7MD07D extends the lower operating temperature limit to -55°C, compared to -40°C for the Rubycon 35MH74.7MEFC4X7. Both maintain identical capacitance, voltage, and tolerance specifications.

Q: When should the 50MS74.7MEFC4X7 be selected instead of direct equivalents? A: The 50MS74.7MEFC4X7 should be selected when the application circuit operates at voltages approaching the 35 V rating limit, or when design margin for voltage transients is required. The increased 50 V rating provides additional safety margin while maintaining the same physical footprint.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant, matching the compliance status of the original 35MS74.7MEFC4X7.

Q: What is the significance of the ESR specification in the 475RSS035M? A: The ESR (Equivalent Series Resistance) of 42.328 Ohm @ 120Hz is a parametric specification that characterizes the capacitor's internal resistance. This value is provided for the Cornell Dubilier part and may be relevant for applications sensitive to ripple current performance or thermal dissipation characteristics.

Q: Can obsolete parts be replaced with active parts? A: Yes. Active parts such as ECE-A1VKS4R7, EKMA350ELL4R7MD07D, and 475RSS035M provide continuity for designs using obsolete parts. Active status ensures ongoing availability and manufacturing support.