Equivalent & Substitute Parts for 63MS71MEFCTZ4X7

Part Overview

The Rubycon 63MS71MEFCTZ4X7 is a 1 µF, 63 V aluminum electrolytic capacitor in radial, can package with through-hole mounting. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and production continuity. The MS7 series has been superseded by newer product lines offering improved performance characteristics and extended operational lifespans.

Substiute Parts

63MS71MEFCTZ4X7

RubyconIn Stock: 89463MS71MEFCTZ4X7 Datasheet

Current PartRFQ

100YXJ1MTA5X11

RubyconIn Stock: 1046100YXJ1MTA5X11 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 63MS71MEFCTZ4X7 is determined by the following allowable parameters:

• Capacitance value must remain 1 µF
• Tolerance must be ±20% or tighter
• Voltage rating must be equal to or greater than 63 V
• Polarization must remain polar
• Mounting type must remain through-hole
• Lead spacing must be 0.197" (5.00mm)
• Package type must be radial, can
• RoHS3 compliance must be maintained

The substitute part 100YXJ1MTA5X11 meets all substitution criteria with an elevated voltage rating of 100 V, which provides additional design margin while maintaining identical capacitance, tolerance, lead spacing, and mounting configuration.

Parameter Comparison

Engineering Selection Recommendations

The 100YXJ1MTA5X11 is a direct functional substitute for the obsolete 63MS71MEFCTZ4X7. Both components are manufactured by Rubycon and maintain ROHS3 compliance. The substitute part offers superior reliability through an extended lifetime rating of 5000 hours at 105°C compared to 1000 hours at 85°C for the original part. The elevated voltage rating of 100 V provides additional operational margin in circuits originally designed for 63 V operation. The substitute maintains identical lead spacing and mounting configuration, ensuring PCB compatibility without layout modifications. The increased physical dimensions (0.197" diameter and 0.492" height versus 0.157" diameter and 0.315" height) must be verified against available board space constraints.

Frequently Asked Questions (FAQ)

Q: Can the 100YXJ1MTA5X11 be used as a direct replacement for the 63MS71MEFCTZ4X7?

A: Yes. Both parts share identical capacitance (1 µF), tolerance (±20%), lead spacing (0.197"), mounting type (through-hole), and package configuration (radial, can). The substitute operates at a higher voltage rating (100 V versus 63 V) and offers extended lifetime characteristics.

Q: What are the physical space implications of substitution?

A: The substitute part has larger dimensions. The diameter increases from 0.157" to 0.197", and the seated height increases from 0.315" to 0.492". PCB layout must accommodate these larger dimensions to prevent mechanical interference.

Q: Are there compliance differences between the two parts?

A: Both parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification. No compliance barriers exist for substitution.

Q: Why does the substitute have a higher voltage rating?

A: The 100YXJ1MTA5X11 belongs to the YXJ series, which represents a newer product generation with enhanced specifications. The higher voltage rating provides additional design margin and is fully compatible with circuits rated for 63 V operation.

Q: What is the impact of the extended lifetime rating?

A: The substitute provides 5000 hours of operational life at 105°C versus 1000 hours at 85°C for the original part. This extended rating indicates improved capacitor construction and materials, resulting in greater long-term reliability in production applications.