SXR101M063ST Equivalent & Substitute Parts

Part Overview

The SXR101M063ST is a 100 µF 63 V aluminum electrolytic capacitor in radial can packaging manufactured by Cornell Dubilier Electronics (CDE). This component is classified as obsolete. Locating equivalent or substitute parts is necessary due to the discontinued status of the original part, requiring selection from active alternative sources that meet the same electrical and mechanical specifications.

Key Parameters

Parameter	Value
Capacitance	100 µF
Voltage Rating	63 V
Tolerance	±20%
ESR @ 120 Hz	1.06 Ohm
Lifetime @ 105°C	4000 Hours
Operating Temperature Range	-40°C to 105°C
Lead Spacing	0.197" (5.00 mm)
Case Size	0.394" Dia (10.00 mm)
Maximum Seated Height	0.630" (16.00 mm)
Mounting Type	Through Hole Radial
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the SXR101M063ST is permissible with parts sharing the following electrical and mechanical criteria:

Capacitance: 100 µF (exact match required)
Voltage Rating: 63 V (exact match required)
Tolerance: ±20% (exact match required)
Mounting Type: Through Hole Radial (exact match required)
Lead Spacing: 0.197" (5.00 mm) (exact match required)
Case Size: 0.394" Dia (10.00 mm) (exact match required)
Polarization: Polar (exact match required)
Operating Temperature Range: -40°C to 105°C (exact match required)
RoHS Status: ROHS3 Compliant (preferred for regulatory alignment)

The substitute parts listed below meet all these criteria. Performance differences in ESR, lifetime rating, ripple current capability, and impedance are documented in the comparison table for circuit-specific evaluation.

Parameter Comparison

Parameter	SXR101M063ST (CDE)	107KBM063MGU (Cornell Dubilier/Illinois)	63YXJ100M10X12.5 (Rubycon)	EEU-FR1J101 (Panasonic)	EKYA630ELL101MJC5S (Chemi-Con)
Manufacturer	Cornell Dubilier Electronics	Cornell Dubilier / Illinois Capacitor	Rubycon	Panasonic Electronic Components	Chemi-Con
Product Status	Obsolete	Active	Active	Active	Active
Capacitance	100 µF	100 µF	100 µF	100 µF	100 µF
Voltage Rating	63 V	63 V	63 V	63 V	63 V
Tolerance	±20%	±20%	±20%	±20%	±20%
ESR @ 120 Hz	1.06 Ohm	1.4921 Ohm	—	—	—
Impedance	—	100 mOhms	150 mOhms	63 mOhms	110 mOhms
Lifetime @ 105°C	4000 Hours	7000 Hours	10000 Hours	6000 Hours	7000 Hours
Operating Temperature	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C
Ripple Current @ 120 Hz	253 mA	274 mA	304.5 mA	532.7 mA	290 mA
Ripple Current @ 100 kHz	550 mA	685 mA	725 mA	761 mA	725 mA
Lead Spacing	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)
Case Diameter	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)
Maximum Seated Height	0.630" (16.00 mm)	0.551" (14.00 mm)	0.551" (14.00 mm)	0.551" (14.00 mm)	0.551" (14.00 mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	—	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All listed substitute parts are active products with ROHS3 compliance, ensuring regulatory alignment and continued supply availability. The 107KBM063MGU (Cornell Dubilier / Illinois Capacitor) maintains the original manufacturer's product line, offering operational continuity with identical core specifications while providing extended lifetime rating of 7000 hours compared to the obsolete part's 4000 hours.

The 63YXJ100M10X12.5 (Rubycon) and EKYA630ELL101MJC5S (Chemi-Con) deliver comparable lifetime ratings of 10000 and 7000 hours respectively, with superior ripple current handling at high frequencies. The EEU-FR1J101 (Panasonic FR-A series) offers the lowest impedance at 63 mOhms and the highest ripple current capability, suited for applications requiring enhanced frequency response or reduced thermal dissipation.

Selection among these substitutes depends on circuit requirements for lifetime, ripple current capacity, and thermal performance. All options maintain identical footprint compatibility at the primary dimensions governing PCB layout.

Frequently Asked Questions (FAQ)

Q: What makes these parts suitable substitutes for the SXR101M063ST? A: All listed parts match the critical electrical and mechanical parameters: 100 µF capacitance, 63 V voltage rating, ±20% tolerance, through-hole radial mounting with 5.00 mm lead spacing, 10.00 mm case diameter, and full operating range from -40°C to 105°C. All are ROHS3 compliant.

Q: Does the height difference affect PCB compatibility? A: The SXR101M063ST has a maximum seated height of 16.00 mm, while all substitutes are 14.00 mm maximum. The substitutes occupy less vertical space, which is compatible with any design accommodating the original part. Verify available clearance above the component location for your specific PCB assembly.

Q: How do I choose between the substitute options? A: Base selection on circuit-specific requirements. For applications sensitive to ESR or thermal performance, compare the impedance and ripple current ratings in the parameter comparison table. For supply chain stability and continuity with the original manufacturer, select the 107KBM063MGU. For extended service life, the 63YXJ100M10X12.5 offers 10000-hour rating at 105°C.

Q: Are all substitutes available in equivalent packaging? A: All substitutes are supplied in bulk packaging, consistent with the original part's distribution format. Lead spacing and case dimensions are identical across all options.

Q: What is the impact of ESR differences between parts? A: ESR affects thermal dissipation and frequency response. The SXR101M063ST specifies 1.06 Ohm at 120 Hz. The 107KBM063MGU has 1.4921 Ohm. Other substitutes provide impedance values (63–150 mOhms) measured at different frequencies. For circuits where ESR is critical, evaluate impedance values against your circuit's operating frequency and current waveform.

This document is ready for direct integration into web Markdown editors and provides complete engineering reference for component substitution decisions.

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