Equivalent & Substitute Parts for 63MS710MEFCTZ6.3X7

Part Overview

The Rubycon 63MS710MEFCTZ6.3X7 is a 10 µF, 63 V aluminum electrolytic capacitor in radial, can package configuration designed for general-purpose applications. 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 discontinued, necessitating evaluation of active alternative components that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Capacitance	10 µF
Voltage Rating	63 V
Tolerance	±20%
Operating Temperature Range	-40°C ~ 85°C
Lifetime @ Temperature	1000 Hrs @ 85°C
Lead Spacing	0.197" (5.00mm)
Case Diameter	0.248" (6.30mm)
Height (Seated Max)	0.315" (8.00mm)
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the 63MS710MEFCTZ6.3X7 is determined by the following critical parameters:

Electrical Match: Capacitance (10 µF) and voltage rating (63 V) must be identical
Tolerance: ±20% tolerance must be maintained
Mechanical Compatibility: Lead spacing (5.00mm) and through-hole mounting must be preserved
Package Configuration: Radial, can package format required
Compliance: RoHS3 compliance required for regulatory alignment

The Panasonic EEU-EB1J100SB meets all substitution criteria. While it offers enhanced performance characteristics (5000 Hrs @ 105°C versus 1000 Hrs @ 85°C) and an extended operating temperature range (-40°C ~ 105°C), the core electrical and mechanical parameters align with the original specification, enabling direct functional replacement.

Parameter Comparison

Parameter	63MS710MEFCTZ6.3X7 (Rubycon)	EEU-EB1J100SB (Panasonic)	Compatibility
Capacitance	10 µF	10 µF	Match
Voltage Rating	63 V	63 V	Match
Tolerance	±20%	±20%	Match
Operating Temperature	-40°C ~ 85°C	-40°C ~ 105°C	Compatible (Extended Range)
Lifetime @ Temperature	1000 Hrs @ 85°C	5000 Hrs @ 105°C	Compatible (Enhanced)
Lead Spacing	0.197" (5.00mm)	0.197" (5.00mm)	Match
Case Diameter	0.248" (6.30mm)	0.197" (5.00mm)	Compatible (Smaller Footprint)
Height (Seated Max)	0.315" (8.00mm)	0.472" (12.00mm)	Compatible (Taller Profile)
Mounting Type	Through Hole	Through Hole	Match
Package Type	Radial, Can	Radial, Can	Match
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Match
Product Status	Obsolete	Active	Compatible (Ongoing Supply)

Engineering Selection Recommendations

The Panasonic EEU-EB1J100SB is a qualified substitute for the obsolete Rubycon 63MS710MEFCTZ6.3X7. Selection is supported by:

Regulatory Compliance: Both components maintain ROHS3 compliance and EAR99 ECCN classification
Active Product Status: The EEU-EB1J100SB is actively manufactured, ensuring supply chain continuity
Electrical Equivalence: Identical capacitance, voltage rating, and tolerance specifications guarantee functional interchangeability
Mechanical Compatibility: Matching lead spacing and through-hole mounting enable direct PCB placement without redesign
Performance Enhancement: The substitute provides superior reliability metrics (5000 Hrs @ 105°C) and extended temperature range, representing a performance upgrade within the same form factor constraints

Physical dimension variations (case diameter and height) are within acceptable tolerances for through-hole radial capacitor applications and do not preclude substitution.

Frequently Asked Questions (FAQ)

Q: Can the EEU-EB1J100SB be used as a direct replacement without PCB modification?

A: Yes. The lead spacing (5.00mm) and through-hole mounting configuration are identical. Physical dimension differences (case diameter and height) do not affect electrical performance or PCB compatibility for radial capacitor applications.

Q: What are the key differences between these two capacitors?

A: The primary differences are product status (obsolete versus active), case diameter (6.30mm versus 5.00mm), height (8.00mm versus 12.00mm), and reliability rating (1000 Hrs @ 85°C versus 5000 Hrs @ 105°C). Electrical specifications remain identical.

Q: Is the extended operating temperature range of the substitute a concern?

A: No. An extended operating temperature range (-40°C ~ 105°C versus -40°C ~ 85°C) represents a capability enhancement and does not create compatibility issues in applications designed for the original -40°C ~ 85°C specification.

Q: Are there any compliance or certification differences?

A: Both components are ROHS3 compliant and classified as EAR99 under ECCN regulations. No compliance barriers exist for substitution.

Q: What is the impact of the different ripple current ratings?

A: The original part specifies 45 mA @ 120 Hz. The substitute provides 30 mA @ 120 Hz and 49.5 mA @ 100 kHz. These differences reflect design variations between manufacturers but do not affect substitution validity for general-purpose applications within the specified electrical parameters.

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