SN100M100ST Equivalent & Substitute Parts

Part Overview

The SN100M100ST is a 10 µF, 100 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier Electronics (CDE). This component is classified as obsolete and is no longer recommended for new designs. The part operates across a temperature range of -40°C to 85°C with a rated lifetime of 1000 hours at 85°C. Due to its obsolete status, identification of equivalent substitute parts is necessary for ongoing maintenance, repair, and legacy system support where original components are no longer available.

Substiute Parts

SN100M100ST

Cornell Dubilier Electronics (CDE)In Stock: 1162SN100M100ST Datasheet

Current PartRFQ

UVP2A100MPD1TD

NichiconIn Stock: 8549UVP2A100MPD1TD Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN100M100ST is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Parameters:

• Capacitance value: 10 µF (exact match required)
• Voltage rating: 100 V (exact match required)
• Tolerance: ±20% (exact match required)
• Polarization: Bi-Polar (exact match required)
• Operating temperature range: -40°C to 85°C (minimum requirement)

Mechanical Parameters:

• Package type: Radial, Can (exact match required)
• Mounting type: Through Hole (exact match required)

Compliance Parameters:

• RoHS3 Compliant status (required for regulatory alignment)

The substitute part UVP2A100MPD1TD meets all core electrical and mechanical equivalence criteria. Physical dimensions and ripple current ratings differ between the main part and substitute; however, these variations remain within acceptable tolerance for general-purpose aluminum electrolytic capacitor applications where the primary electrical specifications are matched.

Parameter Comparison

Engineering Selection Recommendations

The UVP2A100MPD1TD from Nichicon is a direct electrical equivalent to the SN100M100ST. Both parts share identical capacitance, voltage rating, tolerance, and operating temperature specifications. Both components maintain ROHS3 compliance and are suitable for general-purpose applications requiring 10 µF, 100 V aluminum electrolytic capacitors in through-hole radial can packages.

The substitute part offers an extended lifetime rating of 2000 hours at 85°C compared to the original part's 1000-hour specification, providing improved reliability in thermal stress conditions. The UVP2A100MPD1TD is classified as "Not For New Designs," indicating limited future availability; however, it remains a valid substitute for legacy system maintenance and repair applications where the SN100M100ST is no longer obtainable.

Physical dimensions differ slightly between the two parts. The SN100M100ST has a 0.394-inch diameter with 0.197-inch lead spacing, while the UVP2A100MPD1TD has a 0.315-inch diameter with 0.138-inch lead spacing. Height specifications are comparable (0.472 inches versus 0.512 inches maximum seated height). These dimensional differences require verification of PCB layout compatibility before implementation.

Frequently Asked Questions (FAQ)

Q: Can the UVP2A100MPD1TD be used as a direct replacement for the SN100M100ST?

A: The UVP2A100MPD1TD is electrically equivalent to the SN100M100ST across all primary specifications: 10 µF capacitance, 100 V voltage rating, ±20% tolerance, and bi-polar polarization. Both parts operate across -40°C to 85°C and are ROHS3 compliant. Physical dimensions differ, requiring PCB layout verification before substitution.

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

A: The primary differences are manufacturer (Cornell Dubilier Electronics versus Nichicon), lifetime rating (1000 hours versus 2000 hours at 85°C), ripple current specifications (100 mA versus 71 mA at 120 Hz), and physical dimensions. The substitute part offers extended thermal lifetime but reduced ripple current capacity.

Q: Are there any compliance or regulatory concerns with using the substitute part?

A: Both parts are ROHS3 compliant. The substitute part carries REACH Affected status, which the original part does not specify. Compliance verification with your specific application requirements and regional regulations is necessary.

Q: What should be verified before implementing the UVP2A100MPD1TD as a substitute?

A: PCB layout compatibility must be confirmed due to differences in lead spacing (0.197 inches versus 0.138 inches) and component diameter (0.394 inches versus 0.315 inches). Ripple current requirements should be evaluated against the substitute part's 71 mA specification at 120 Hz. Thermal design considerations should account for the improved 2000-hour lifetime rating.

Q: Why is the original SN100M100ST classified as obsolete?

A: The SN100M100ST is marked as obsolete, indicating that Cornell Dubilier Electronics has discontinued manufacturing and no longer supports this component. The substitute part is classified as "Not For New Designs," reflecting limited ongoing availability across the industry.