UML0J101MDD Equivalent & Substitute Parts

Part Overview

The Nichicon UML0J101MDD is a 100 µF, 6.3 V aluminum electrolytic capacitor in radial, can package with 1000 hours lifetime rating at 85°C. This component is classified as Active product status and is suitable for general purpose applications requiring polar capacitive storage in through-hole mounting configurations.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging or lead spacing requirements arise, or when enhanced performance characteristics such as extended lifetime ratings are required for specific application demands.

Key Parameters

Parameter	Value
Capacitance	100 µF
Voltage - Rated	6.3 V
Tolerance	±20%
Lifetime @ Temperature	1000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Polarization	Polar
Mounting Type	Through Hole
Package / Case	Radial, Can
Lead Spacing	0.098" (2.50mm)
Size / Dimension	0.248" Dia (6.30mm)
Height - Seated (Max)	0.236" (6.00mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the UML0J101MDD is determined by strict adherence to the following core parameters:

Critical Parameters (Must Match):

Capacitance: 100 µF
Voltage - Rated: 6.3 V
Tolerance: ±20%
Polarization: Polar
Mounting Type: Through Hole
Package / Case: Radial, Can

Allowable Variations:

Lifetime @ Temperature: Equal to or greater than 1000 Hrs @ 85°C
Operating Temperature Range: Equal to or encompassing -40°C ~ 85°C
Lead Spacing: 0.079" (2.00mm) or 0.098" (2.50mm)
Size / Dimension: 0.197" Dia (5.00mm) or 0.248" Dia (6.30mm)
Height - Seated: Variations permitted within physical constraints
Ripple Current ratings: Variations permitted
Product Status: Active or Obsolete (both acceptable for substitution)
RoHS Status: ROHS3 Compliant required

Substitute parts are grouped into three categories: Direct Equivalents (identical electrical and mechanical specifications), Similar Substitutes (matching core parameters with variations in lead spacing or physical dimensions), and Upgrade Options (enhanced lifetime or temperature ratings).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp	Lead Spacing	Size Dia	Height Max	Product Status
UML0J101MDD	Nichicon	100 µF	6.3 V	±20%	1000 Hrs @ 85°C	-40°C ~ 85°C	0.098" (2.50mm)	0.248" (6.30mm)	0.236" (6.00mm)	Active
UVR0J101MDD	Nichicon	100 µF	6.3 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.079" (2.00mm)	0.197" (5.00mm)	0.492" (12.50mm)	Obsolete
6.3MS5100MEFC6.3X5	Rubycon	100 µF	6.3 V	±20%	1000 Hrs @ 85°C	-40°C ~ 85°C	0.098" (2.50mm)	0.248" (6.30mm)	0.256" (6.50mm)	Obsolete
ECE-A0JKS101	Panasonic Electronic Components	100 µF	6.3 V	±20%	1000 Hrs @ 85°C	-40°C ~ 85°C	0.098" (2.50mm)	0.248" (6.30mm)	0.197" (5.00mm)	Active
6.3MH5100MEFC6.3X5	Rubycon	100 µF	6.3 V	±20%	1000 Hrs @ 105°C	-40°C ~ 105°C	0.098" (2.50mm)	0.248" (6.30mm)	0.256" (6.50mm)	Obsolete
ECA-0JM101	Panasonic Electronic Components	100 µF	6.3 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.079" (2.00mm)	0.197" (5.00mm)	0.472" (12.00mm)	Active
ECE-A0JKA101	Panasonic Electronic Components	100 µF	6.3 V	±20%	1000 Hrs @ 85°C	-40°C ~ 85°C	0.079" (2.00mm)	0.197" (5.00mm)	0.276" (7.00mm)	Active
ECE-A0JKA101I	Panasonic Electronic Components	100 µF	6.3 V	±20%	1000 Hrs @ 85°C	-40°C ~ 85°C	0.098" (2.50mm)	0.197" (5.00mm)	0.315" (8.00mm)	Active

Engineering Selection Recommendations

Direct Equivalent (Preferred for PCB Layout Compatibility): ECE-A0JKS101 (Panasonic Electronic Components) matches the UML0J101MDD in lead spacing (0.098" / 2.50mm), physical diameter (0.248" / 6.30mm), and electrical specifications. This part carries Active product status and ROHS3 compliance. Selection of this part eliminates PCB redesign requirements.

Enhanced Lifetime Option: UVR0J101MDD (Nichicon) and ECA-0JM101 (Panasonic Electronic Components) both provide 2000 hours lifetime at 85°C, doubling the rated lifetime of the primary part. Both maintain 6.3 V, 100 µF, ±20% specifications and ROHS3 compliance. These parts require PCB layout modification due to different lead spacing (0.079" / 2.00mm) and physical dimensions.

Extended Temperature Range Option: 6.3MH5100MEFC6.3X5 (Rubycon) extends the operating temperature range to -40°C ~ 105°C while maintaining 1000 hours lifetime at the elevated temperature. This part matches lead spacing and physical diameter of the primary part but carries Obsolete product status.

Active Product Status Priority: For new designs or long-term supply chain stability, ECE-A0JKS101, ECA-0JM101, and ECE-A0JKA101I are recommended as all carry Active product status. All three maintain ROHS3 compliance and REACH Unaffected status.

Frequently Asked Questions (FAQ)

Q: Can ECE-A0JKA101 be used as a direct replacement for UML0J101MDD? A: ECE-A0JKA101 is electrically equivalent but requires PCB modification. It has 0.079" (2.00mm) lead spacing versus the primary part's 0.098" (2.50mm), and a smaller physical diameter of 0.197" (5.00mm) versus 0.248" (6.30mm). Verify PCB pad layout compatibility before selection.

Q: What is the difference between ECE-A0JKA101 and ECE-A0JKA101I? A: Both parts are identical in electrical specifications and manufacturer (Panasonic Electronic Components). The primary difference is packaging: ECE-A0JKA101 is supplied in Bulk packaging, while ECE-A0JKA101I is supplied in Cut Tape (CT) packaging. ECE-A0JKA101I also has different physical dimensions (0.197" Dia, 0.315" Height) compared to ECE-A0JKA101 (0.197" Dia, 0.276" Height).

Q: Is UVR0J101MDD suitable for replacement despite Obsolete status? A: UVR0J101MDD meets all electrical and mechanical substitution criteria and carries ROHS3 compliance. However, Obsolete product status indicates limited future availability. For applications requiring extended supply assurance, Active status parts such as ECE-A0JKS101 or ECA-0JM101 are preferred.

Q: When should 6.3MH5100MEFC6.3X5 be selected? A: This Rubycon part is selected when the application requires extended operating temperature capability up to 105°C. It maintains the same lead spacing and physical diameter as the primary part, minimizing PCB layout changes. Verify long-term availability due to Obsolete product status.

Q: Are all substitute parts ROHS3 compliant? A: All substitute parts listed carry ROHS3 Compliant status and REACH Unaffected designation, matching the primary part's regulatory compliance profile.

Q: What is the impact of different ripple current ratings? A: Ripple current ratings vary among substitute parts. Selection should verify that the substitute part's ripple current rating meets or exceeds the application's actual ripple current requirement at the specified frequency (120 Hz or 10 kHz).

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