SN010M100ST Equivalent & Substitute Parts

Part Overview

The SN010M100ST is a 1 µF, 100 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier Electronics (CDE). This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing procurement and design continuity. The part operates across a temperature range of -40°C to 85°C with a rated lifetime of 1000 hours at 85°C, suitable for general-purpose applications requiring through-hole mounting.

Key Parameters

Parameter	Value
Capacitance	1 µF
Voltage Rating	100 V
Tolerance	±20%
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.098" (2.50mm)
Diameter	0.197" (5.00mm)
Operating Temperature Range	-40°C to 85°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the SN010M100ST is determined by the following critical parameters:

Primary Matching Criteria:

Capacitance value: 1 µF (exact match required)
Voltage rating: 100 V (minimum requirement)
Package configuration: Radial, can format
Mounting technology: Through-hole
Lead spacing: 0.098" (2.50mm) or compatible spacing
Physical diameter: 0.197" (5.00mm)
Tolerance: ±20%

Secondary Compatibility Factors:

Operating temperature range: Minimum -40°C to 85°C
RoHS3 compliance
Polarization type: Bi-polar preferred for direct substitution

The identified substitute parts meet these core electrical and mechanical parameters, enabling functional replacement in the original application circuit.

Parameter Comparison

Parameter	SN010M100ST (Main)	MAL214279108E3 (Vishay)	UVP2A010MDD (Nichicon)
Manufacturer	Cornell Dubilier Electronics	Vishay Beyschlag/Draloric/BC Components	Nichicon
Capacitance	1 µF	1 µF	1 µF
Voltage Rating	100 V	100 V	100 V
Tolerance	±20%	±20%	±20%
Package Type	Radial, Can	Radial, Can	Radial, Can
Mounting Type	Through Hole	Through Hole	Through Hole
Lead Spacing	0.098" (2.50mm)	0.098" (2.50mm)	0.079" (2.00mm)
Diameter	0.197" (5.00mm)	0.197" (5.00mm)	0.197" (5.00mm)
Height (Max)	0.433" (11.00mm)	0.492" (12.50mm)	0.492" (12.50mm)
Operating Temperature	-40°C to 85°C	-40°C to 105°C	-40°C to 85°C
Lifetime @ Temperature	1000 Hrs @ 85°C	2500 Hrs @ 105°C	2000 Hrs @ 85°C
Product Status	Obsolete	Active	Obsolete
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Polarization	Bi-Polar	Not specified	Bi-Polar

Engineering Selection Recommendations

MAL214279108E3 (Vishay Beyschlag/Draloric/BC Components)

This part is the preferred substitute for new designs and ongoing procurement. The MAL214279108E3 maintains all critical electrical parameters (1 µF, 100 V, ±20% tolerance) and physical dimensions (0.197" diameter, 0.098" lead spacing) required for direct replacement. The component carries active product status, ensuring long-term availability and supply chain stability. Extended operating temperature range (-40°C to 105°C) and superior lifetime rating (2500 hours at 105°C) provide enhanced reliability margins. RoHS3 compliance and REACH unaffected status confirm regulatory alignment. Height increase from 0.433" to 0.492" requires PCB layout verification but does not preclude substitution in most applications.

UVP2A010MDD (Nichicon)

This part provides functional equivalence with matching electrical specifications and bi-polar polarization. However, the component is classified as obsolete, limiting its suitability for new procurement despite current inventory availability. Lead spacing of 0.079" (2.00mm) differs from the original 0.098" (2.50mm), requiring PCB footprint modification. Lifetime rating of 2000 hours at 85°C exceeds the original specification. This substitute is suitable only for legacy system maintenance where existing PCB layouts accommodate the modified lead spacing.

Frequently Asked Questions (FAQ)

Q: Can MAL214279108E3 replace SN010M100ST in all applications?

A: Yes, for applications where the increased height (0.492" versus 0.433") does not create mechanical interference. The electrical parameters, lead spacing, and diameter are compatible. PCB layout verification is required to confirm clearance.

Q: What is the significance of the lead spacing difference in UVP2A010MDD?

A: The UVP2A010MDD has 0.079" (2.00mm) lead spacing compared to the original 0.098" (2.50mm). This requires modification of the PCB footprint and is not suitable for direct board-level substitution without rework.

Q: Why is MAL214279108E3 recommended over UVP2A010MDD?

A: MAL214279108E3 carries active product status, ensuring ongoing availability and supply chain continuity. UVP2A010MDD is obsolete, presenting long-term procurement risk despite current inventory levels.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. Both MAL214279108E3 and UVP2A010MDD are ROHS3 compliant, matching the original SN010M100ST specification.

Q: Does the extended operating temperature range of MAL214279108E3 affect compatibility?

A: No. The extended range (-40°C to 105°C) is a superset of the original specification (-40°C to 85°C), providing enhanced thermal margin without creating incompatibility.

Q: What is the impact of the higher lifetime rating in substitute parts?

A: The substitute parts (2500 hours at 105°C for MAL214279108E3 and 2000 hours at 85°C for UVP2A010MDD) exceed the original 1000 hours at 85°C, improving system reliability and reducing failure risk over the component lifetime.

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