ALS80C432MF400 Equivalent & Substitute Parts

Part Overview

The ALS80C432MF400 is a 4300 µF, 400 V aluminum electrolytic capacitor manufactured by KEMET in the ALS80 series. This radial, can-style capacitor with screw terminals is designed for general-purpose applications requiring high capacitance and voltage ratings. The part is Active in product status and fully compliant with RoHS3 and REACH regulations. Substitute parts are identified to provide alternative sourcing options when the primary part number is unavailable or when inventory constraints require component flexibility.

Substiute Parts

ALS80C432MF400

KEMETIn Stock: 674ALS80C432MF400 Datasheet

Current PartRFQ

ALS80A432MF400

KEMETIn Stock: 801ALS80A432MF400 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ALS80C432MF400 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part ALS80A432MF400 qualifies as a direct parametric equivalent based on the following criteria:

Electrical Parameters (Must Match Exactly):

• Capacitance: 4300 µF
• Voltage Rating: 400 V
• Tolerance: ±20%
• ESR @ 100Hz: 38 mOhm
• Lifetime @ 105°C: 8000 Hrs
• Operating Temperature Range: -40°C to 105°C
• Ripple Current @ 100 Hz: 11.6 A
• Ripple Current @ 10 kHz: 19.8 A

Mechanical Parameters (Must Match Exactly):

• Package / Case: Radial, Can - Screw Terminals
• Mounting Type: Chassis Mount
• Lead Spacing: 1.122" (28.50mm)
• Diameter: 2.598" (66.00mm)
• Height - Seated (Max): 4.213" (107.00mm)

Compliance & Status:

• Product Status: Active
• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected

The substitute part differs only in the base product number designation (ALS80A versus ALS80C), indicating a variant within the same product family with identical performance specifications.

Parameter Comparison

Engineering Selection Recommendations

The ALS80A432MF400 is a direct parametric equivalent to the ALS80C432MF400 and is suitable for component substitution in applications where the primary part number is unavailable. Both parts are manufactured by KEMET, maintain Active product status, and carry identical electrical and mechanical specifications.

Both parts comply with RoHS3 and REACH regulations, ensuring regulatory compatibility in applications subject to these standards. The identical ESR, ripple current ratings, and thermal lifetime specifications ensure equivalent performance in power supply filtering, energy storage, and general-purpose capacitor applications.

The mechanical compatibility is complete: both parts feature identical screw terminal connections, chassis mount configuration, lead spacing, and physical dimensions. Direct board-level substitution is supported without modification to PCB layout or mechanical mounting structures.

Frequently Asked Questions (FAQ)

Q: Can ALS80A432MF400 be used as a direct replacement for ALS80C432MF400?

A: Yes. The ALS80A432MF400 is a parametric equivalent with identical electrical specifications (4300 µF, 400 V, 38 mOhm ESR @ 100Hz, 8000 Hrs @ 105°C) and mechanical dimensions (2.598" diameter, 4.213" height, 1.122" lead spacing). Both parts feature screw terminal connections and chassis mount configuration.

Q: Are there any differences in performance between these two part numbers?

A: No. Both parts share identical ratings for capacitance, voltage, tolerance, ESR, ripple current, impedance, and operating temperature range. The difference in base product number (ALS80C versus ALS80A) represents a variant designation within the same product family without performance differentiation.

Q: Do both parts meet the same compliance standards?

A: Yes. Both ALS80C432MF400 and ALS80A432MF400 are ROHS3 Compliant and REACH Unaffected. Both maintain Active product status with KEMET.

Q: Are the physical dimensions identical for PCB mounting?

A: Yes. Both parts have identical lead spacing (1.122" / 28.50mm), diameter (2.598" / 66.00mm), and maximum seated height (4.213" / 107.00mm). Screw terminal connections are identical, supporting direct mechanical substitution without board redesign.

Q: What applications are these capacitors suitable for?

A: Both parts are rated for general-purpose applications. The 4300 µF capacitance at 400 V with 38 mOhm ESR and 11.6 A ripple current @ 100 Hz supports use in power supply filtering, energy storage, and industrial power conditioning circuits.

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

A: Yes. The complete parametric and mechanical equivalence of both parts supports direct interchangeability in circuit designs and PCB layouts without modification to component footprints, mounting hardware, or electrical connections.