ALC80D103CD040 Equivalent & Substitute Parts

Part Overview

The ALC80D103CD040 is a 10000 µF, 40 V aluminum electrolytic capacitor manufactured by KEMET in the ALC80 series. This radial, can-style snap-in capacitor is designed for general-purpose applications requiring high capacitance values with moderate voltage ratings. The part is currently active in production with full RoHS3 compliance and extensive inventory availability. Identifying equivalent substitute parts is necessary to ensure supply chain continuity, optimize procurement costs, and maintain design flexibility across manufacturing batches and sourcing scenarios.

Substiute Parts

ALC80D103CD040

KEMETIn Stock: 1205ALC80D103CD040 Datasheet

Current PartRFQ

ALC80A103CD040

KEMETIn Stock: 273988ALC80A103CD040 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ALC80D103CD040 is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match):

• Capacitance: 10000 µF
• Voltage Rating: 40 V
• Tolerance: ±20%
• ESR @ 100Hz: Within specification range
• Lifetime @ 105°C: 7000 Hrs minimum
• Operating Temperature: -40°C to 105°C

Mechanical Parameters (Must Match):

• Lead Spacing: 10.00 mm
• Diameter: 30.00 mm
• Height (Seated): 42.00 mm maximum
• Mounting Type: Through Hole
• Package Type: Radial, Can - Snap-In

Compliance Parameters (Must Match):

• RoHS3 Compliant
• REACH Unaffected
• Series: ALC80

The ALC80A103CD040 meets all substitution criteria as a parametric equivalent within the ALC80 series.

Parameter Comparison

Engineering Selection Recommendations

Primary Part: ALC80D103CD040

• Active product status with confirmed production availability
• Full RoHS3 compliance and REACH unaffected designation
• Current inventory: 1097 Pcs

Substitute Part: ALC80A103CD040

• Active product status with confirmed production availability
• Full RoHS3 compliance and REACH unaffected designation
• Significantly higher inventory: 273882 Pcs
• ESR variance of 0.26 mOhm is within acceptable tolerance for general-purpose applications
• Identical electrical performance across all ripple current and thermal specifications

Both parts are manufactured by KEMET within the ALC80 series and maintain identical mechanical footprints, electrical ratings, and compliance certifications. Selection between these parts should be based on procurement availability, lead time requirements, and inventory status rather than technical performance differences.

Frequently Asked Questions (FAQ)

Q: Can ALC80A103CD040 be used as a direct replacement for ALC80D103CD040?

A: Yes. Both parts share identical capacitance (10000 µF), voltage rating (40 V), tolerance (±20%), operating temperature range (-40°C to 105°C), lifetime rating (7000 Hrs @ 105°C), and mechanical dimensions (30.00 mm diameter, 42.00 mm height, 10.00 mm lead spacing). The ESR difference of 0.26 mOhm is negligible for general-purpose applications.

Q: Are there any PCB layout or mounting considerations when substituting these parts?

A: No. Both parts use identical through-hole radial, can-style snap-in packaging with matching lead spacing (10.00 mm) and physical dimensions. PCB footprints and mounting hardware remain unchanged.

Q: What is the significance of the ESR difference between these parts?

A: The ESR (Equivalent Series Resistance) difference of 0.26 mOhm (51 mOhm vs 51.26 mOhm @ 100Hz) is within normal manufacturing tolerance for aluminum electrolytic capacitors and does not affect functional performance in general-purpose applications.

Q: Do both parts meet the same compliance standards?

A: Yes. Both ALC80D103CD040 and ALC80A103CD040 are RoHS3 compliant and REACH unaffected, meeting identical regulatory requirements.

Q: What is the primary reason to consider the ALC80A103CD040 as a substitute?

A: The ALC80A103CD040 has significantly higher inventory availability (273882 Pcs vs 1097 Pcs), making it the preferred choice for supply chain continuity and reduced lead times when equivalent electrical and mechanical performance is required.

Q: Are there any temperature or ripple current performance differences?

A: No. Both parts deliver identical ripple current ratings (6.51 A @ 100 Hz and 9.23 A @ 10 kHz) and operate across the same temperature range (-40°C to 105°C) with identical lifetime specifications (7000 Hrs @ 105°C).