ALC80D103BB025 Equivalent & Substitute Parts

Part Overview

The ALC80D103BB025 is a 10000 µF, 25 V aluminum electrolytic capacitor in radial, can snap-in package manufactured by KEMET. This component is classified as Active product status and is designed for general-purpose applications requiring high capacitance energy storage in compact form factors. The part operates across a temperature range of -40°C to 105°C with a rated lifetime of 6000 hours at 105°C.

Identifying equivalent and substitute parts is necessary when the primary part number becomes unavailable, when inventory constraints require alternative sourcing, or when design flexibility permits selection from qualified alternatives that maintain electrical and mechanical compatibility within the same product series.

Substiute Parts

ALC80D103BB025

KEMETIn Stock: 273824ALC80D103BB025 Datasheet

Current PartRFQ

ALC80A103BB025

KEMETIn Stock: 274131ALC80A103BB025 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ALC80D103BB025 is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match):

• Capacitance: 10000 µF
• Voltage Rating: 25 V
• Tolerance: ±20%
• ESR @ 100Hz: 120 mOhm (tolerance: ±0.1 mOhm acceptable)
• Lifetime @ 105°C: 6000 Hrs
• Operating Temperature Range: -40°C to 105°C
• Ripple Current @ 100 Hz: 3.66 A
• Ripple Current @ 10 kHz: 4.54 A

Mechanical Parameters (Must Match):

• Package Type: Radial, Can - Snap-In
• Lead Spacing: 0.394" (10.00mm)
• Diameter: 0.984" (25.00mm)
• Height - Seated (Max): 1.260" (32.00mm)
• Mounting Type: Through Hole

Compliance Parameters (Must Match):

• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected
• Manufacturer: KEMET

The ALC80D103BB025 belongs to the KEMET ALC80 series. Substitute parts must originate from the same manufacturer and series to ensure design consistency and performance reliability.

Parameter Comparison

Engineering Selection Recommendations

ALC80A103BB025 is a direct parametric equivalent to ALC80D103BB025. Both parts are manufactured by KEMET within the ALC80 series and maintain identical electrical specifications, mechanical dimensions, and compliance certifications.

Selection between these parts is based on availability and inventory status. Both parts carry Active product status, ROHS3 compliance, and REACH unaffected designation, confirming their suitability for current design implementations and regulatory requirements.

The ESR differential of 0.1 mOhm between the main part (120 mOhm) and substitute (119.9 mOhm) is within acceptable engineering tolerance and does not affect circuit performance or thermal characteristics.

Frequently Asked Questions (FAQ)

Q: Can ALC80A103BB025 be used as a direct replacement for ALC80D103BB025?

A: Yes. Both parts are parametrically equivalent across all electrical and mechanical specifications. They share identical capacitance (10000 µF), voltage rating (25 V), ESR characteristics, ripple current ratings, physical dimensions, and compliance certifications. Direct substitution is permissible without circuit redesign.

Q: Are there any differences in physical dimensions between these parts?

A: No. Both parts have identical lead spacing (0.394" / 10.00mm), diameter (0.984" / 25.00mm), and maximum seated height (1.260" / 32.00mm). PCB footprints and mounting requirements are identical.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both ALC80D103BB025 and ALC80A103BB025 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic component manufacturing and use.

Q: What is the significance of the ESR difference (120 mOhm vs 119.9 mOhm)?

A: The 0.1 mOhm difference is negligible from an engineering perspective. Both values fall within the same performance class for this capacitor category and do not produce measurable differences in circuit behavior, thermal dissipation, or ripple current handling.

Q: Are both parts suitable for the same temperature operating range?

A: Yes. Both parts operate across -40°C to 105°C with identical 6000-hour lifetime rating at 105°C, confirming equivalent thermal performance and reliability characteristics.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. Identical electrical parameters, mechanical dimensions, and package specifications permit direct interchangeability without modification to PCB layouts, schematics, or component selection criteria.