ALS81C124NF063 Equivalent & Substitute Parts

Part Overview

The ALS81C124NF063 is a 120000 µF, 63 V aluminum electrolytic capacitor with radial, can-mounted screw terminals manufactured by KEMET. This component is classified as Active product status and is designed for general purpose applications requiring high capacitance energy storage in chassis-mounted configurations. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product category, enabling seamless integration into existing designs without circuit redesign.

Substiute Parts

ALS81C124NF063

KEMETIn Stock: 888ALS81C124NF063 Datasheet

Current PartRFQ

ALS80A124NF063

KEMETIn Stock: 1064ALS80A124NF063 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ALS81C124NF063 are identified based on strict equivalence of the following critical parameters:

Electrical Equivalence Criteria:

• Capacitance: 120000 µF (exact match required)
• Voltage Rating: 63 V (exact match required)
• Tolerance: ±20% (exact match required)
• ESR @ 100Hz: 9 mOhm (exact match required)
• Lifetime @ 105°C: 9000 Hrs (exact match required)
• Operating Temperature Range: -40°C ~ 105°C (exact match required)
• Ripple Current @ 100 Hz: 23.2 A (exact match required)
• Ripple Current @ 10 kHz: 24.6 A (exact match required)

Mechanical Equivalence Criteria:

• Lead Spacing: 1.252" (31.80 mm) (exact match required)
• Size / Dimension: 3.031" Dia (77.00 mm) (exact match required)
• Height - Seated (Max): 4.213" (107.00 mm) (exact match required)
• Mounting Type: Chassis Mount (exact match required)
• Package / Case: Radial, Can - Screw Terminals (exact match required)

Compliance Equivalence Criteria:

• RoHS Status: ROHS3 Compliant (exact match required)
• Product Status: Active (exact match required)

The ALS80A124NF063 meets all substitution criteria and is classified as a parametric equivalent.

Parameter Comparison

Engineering Selection Recommendations

ALS80A124NF063 as Direct Substitute:

The ALS80A124NF063 is a direct parametric equivalent to the ALS81C124NF063. Both components are manufactured by KEMET, maintain Active product status, and carry ROHS3 compliance certification. All electrical parameters including capacitance (120000 µF), voltage rating (63 V), ESR (9 mOhm @ 100Hz), and thermal lifetime (9000 Hrs @ 105°C) are identical. Mechanical dimensions, lead spacing, and mounting configuration are equivalent, enabling direct board-level substitution without circuit modification or PCB redesign.

The primary distinction between these parts is the series designation: ALS81 versus ALS80A. This series variation reflects internal design evolution within KEMET's product line while maintaining full electrical and mechanical compatibility. Both parts are suitable for general purpose applications requiring high-capacitance energy storage in chassis-mounted configurations.

Frequently Asked Questions (FAQ)

Q: Can ALS80A124NF063 be used as a direct replacement for ALS81C124NF063?

A: Yes. The ALS80A124NF063 is a parametric equivalent with identical electrical specifications (120000 µF, 63 V, 9 mOhm ESR @ 100Hz, 9000 Hrs @ 105°C) and mechanical dimensions (3.031" Dia, 4.213" Height, 1.252" lead spacing). Direct substitution is supported without circuit redesign.

Q: Are there any differences in mounting or PCB layout between these parts?

A: No. Both components use identical Chassis Mount configuration with Radial, Can - Screw Terminals. Lead spacing (1.252" / 31.80 mm) and physical dimensions are equivalent, requiring no PCB layout modification.

Q: Do both parts meet the same compliance standards?

A: Yes. Both ALS81C124NF063 and ALS80A124NF063 are ROHS3 Compliant and carry Active product status. Compliance certifications are equivalent.

Q: What is the difference between the ALS81 and ALS80A series designations?

A: The series designation reflects KEMET's internal product line classification. Both series maintain identical electrical and mechanical specifications for this 120000 µF, 63 V capacitor model. The series difference does not affect functional performance or compatibility.

Q: Are ripple current ratings identical between these parts?

A: Yes. Both parts support 23.2 A ripple current @ 100 Hz and 24.6 A ripple current @ 10 kHz, with identical impedance of 10 mOhms.

Q: Can these parts be used interchangeably in high-temperature applications?

A: Yes. Both components maintain identical operating temperature range (-40°C ~ 105°C) and thermal lifetime rating (9000 Hrs @ 105°C), supporting equivalent performance in high-temperature environments.