SPA101M0ER Equivalent & Substitute Parts Reference

Part Overview

The SPA101M0ER is a 100 µF, 2.5 V aluminum-polymer surface mount capacitor manufactured by Cornell Dubilier Electronics (CDE) in the 2917 (7343 Metric) package. This component is classified as obsolete, indicating discontinued production and limited availability for new procurement. The part operates across a temperature range of -40°C to 105°C with a rated lifetime of 1000 hours at 105°C and an equivalent series resistance (ESR) of 9 mOhm. Identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for applications utilizing this capacitor specification.

Substiute Parts

SPA101M0ER

Cornell Dubilier Electronics (CDE)In Stock: 1159SPA101M0ER Datasheet

Current PartRFQ

EEF-SX0G101ER

Panasonic Electronic ComponentsIn Stock: 7223EEF-SX0G101ER Datasheet

UpgradeRFQ

EEF-SX0G101R

Panasonic Electronic ComponentsIn Stock: 3702EEF-SX0G101R Datasheet

UpgradeRFQ

EEF-SL0E101R

Panasonic Electronic ComponentsIn Stock: 5473EEF-SL0E101R Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SPA101M0ER are classified into two categories based on electrical and mechanical compatibility:

Upgrade Substitutes (Higher Voltage Rating): The parts EEF-SX0G101ER and EEF-SX0G101R are manufactured by Panasonic Electronic Components and share identical capacitance (100 µF), tolerance (±20%), ESR (9 mOhm), package (2917/7343 Metric), and physical dimensions with the main part. These substitutes feature an elevated voltage rating of 4 V (compared to 2.5 V) and extended lifetime of 2000 hours at 105°C (compared to 1000 hours). The higher voltage rating and extended thermal lifetime make these parts suitable for applications where the SPA101M0ER is specified, provided the circuit design accommodates the higher voltage rating without adverse effects.

Parametric Equivalent (Same Voltage Rating): The part EEF-SL0E101R is manufactured by Panasonic Electronic Components and provides an exact parametric match to the SPA101M0ER: 100 µF capacitance, 2.5 V voltage rating, ±20% tolerance, 9 mOhm ESR, 1000 hours lifetime at 105°C, identical package (2917/7343 Metric), and matching physical dimensions. This part functions as a direct parametric equivalent with no electrical or mechanical deviations.

Substitution eligibility is determined by: capacitance value, voltage rating compatibility, ESR specification, package type, physical dimensions, and thermal lifetime requirements.

Parameter Comparison

Engineering Selection Recommendations

For Active Production and New Designs: EEF-SX0G101ER is the recommended substitute for the SPA101M0ER. This part carries Active product status, ensuring long-term availability and supply chain continuity. It provides identical electrical performance in capacitance, tolerance, and ESR, with the additional benefits of higher voltage rating (4 V) and extended thermal lifetime (2000 hours at 105°C). The 0.008" (0.20mm) increase in seated height is within typical PCB assembly tolerances for 2917 package components. RoHS3 compliance and REACH unaffected status match the original part specifications.

For Existing Inventory and Legacy Support: EEF-SL0E101R serves as a parametric equivalent for applications requiring exact electrical and thermal specifications matching the SPA101M0ER. This part is classified as Obsolete, similar to the main part, and should be considered for legacy system maintenance only. It provides identical voltage rating, lifetime, and physical dimensions, ensuring direct functional replacement without circuit redesign.

For Constrained Applications: EEF-SX0G101R is available as an alternative upgrade substitute with identical electrical characteristics to EEF-SX0G101ER. However, this part carries a "Not For New Designs" status, limiting its suitability for new production programs. It remains available for existing inventory support and legacy applications where supply from EEF-SX0G101ER is constrained.

Selection should prioritize product status, compliance certifications, and long-term availability aligned with production timelines and supply chain requirements.

Frequently Asked Questions (FAQ)

Q: Can EEF-SX0G101ER be used as a direct replacement for SPA101M0ER in existing designs?

A: Yes. EEF-SX0G101ER is electrically compatible as a substitute. Both parts share identical capacitance (100 µF), tolerance (±20%), ESR (9 mOhm), and package (2917/7343 Metric). The substitute features a higher voltage rating (4 V vs. 2.5 V) and extended thermal lifetime (2000 hours vs. 1000 hours at 105°C), which are beneficial characteristics. The seated height increases by 0.008" (0.20mm), which is within standard PCB assembly tolerances for this package class.

Q: What is the difference between the upgrade substitutes EEF-SX0G101ER and EEF-SX0G101R?

A: Both parts are electrically identical with 100 µF capacitance, 4 V rating, 9 mOhm ESR, and 2000-hour lifetime at 105°C. The primary distinction is product status: EEF-SX0G101ER is Active, ensuring ongoing availability for new production, while EEF-SX0G101R is classified as "Not For New Designs," indicating limited future support. For new designs, EEF-SX0G101ER is the preferred selection.

Q: Is EEF-SL0E101R suitable for new production programs?

A: No. EEF-SL0E101R is classified as Obsolete, the same status as the original SPA101M0ER. While it provides exact parametric equivalence (100 µF, 2.5 V, 1000-hour lifetime), its obsolete status limits availability for sustained production. This part is appropriate for legacy system maintenance and existing inventory support only.

Q: What are the key parameters that determine substitution compatibility?

A: Substitution compatibility is determined by: capacitance value (100 µF), tolerance (±20%), ESR (9 mOhm), package type (2917/7343 Metric), physical dimensions (0.287" L x 0.169" W), mounting type (Surface Mount), and thermal lifetime requirements (1000 or 2000 hours at 105°C). Voltage rating must equal or exceed the circuit requirement. All substitute parts meet these criteria.

Q: Does the 0.008" (0.20mm) height difference between SPA101M0ER and the EEF-SX upgrade substitutes affect PCB assembly?

A: No. The height difference of 0.008" (0.20mm) is within standard PCB assembly tolerances for 2917 package surface mount components. This variation does not affect solder reflow profiles, component placement accuracy, or board-level functionality. Standard pick-and-place equipment accommodates this tolerance range.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (EEF-SX0G101ER, EEF-SX0G101R, and EEF-SL0E101R) are RoHS3 compliant and REACH unaffected, matching the compliance status of the original SPA101M0ER.

Q: Which substitute should be selected for a new design requiring maximum thermal reliability?

A: EEF-SX0G101ER is the optimal selection. This part provides the extended thermal lifetime of 2000 hours at 105°C (compared to 1000 hours for the original part), Active product status for sustained availability, and RoHS3 compliance. The higher voltage rating (4 V) provides additional design margin for thermal stress conditions.