ALS71C753QC063 Equivalent & Substitute Parts

Part Overview

The ALS71C753QC063 is a 75000 µF, 63 V aluminum electrolytic capacitor manufactured by KEMET, featuring radial can construction with screw terminals. This component is classified as Active product status and is designed for general-purpose applications requiring high capacitance values in chassis-mount configurations. The part operates across a temperature range of -40°C to 85°C with a rated lifetime of 20000 hours at 85°C.

Identifying equivalent and substitute parts is necessary when the primary part becomes unavailable, when inventory constraints require alternative sourcing, or when design flexibility permits component optimization within the same electrical and mechanical specifications.

Substiute Parts

ALS71C753QC063

KEMETIn Stock: 1180ALS71C753QC063 Datasheet

Current PartRFQ

ALS70A753QC063

KEMETIn Stock: 1205ALS70A753QC063 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of aluminum electrolytic capacitors is determined by strict equivalence across electrical and mechanical parameters. The ALS71C753QC063 can be substituted with parts that maintain identical specifications in the following critical areas:

Electrical Parameters (Must Match):

• Capacitance: 75000 µF
• Voltage Rating: 63 V
• Tolerance: ±20%
• ESR @ 100Hz: 14 mOhm
• Lifetime @ 85°C: 20000 Hrs
• Operating Temperature Range: -40°C to 85°C
• Ripple Current @ 100 Hz: 22.3 A
• Ripple Current @ 10 kHz: 24 A
• Impedance: 13 mOhms

Mechanical Parameters (Must Match):

• Package Type: Radial, Can - Screw Terminals
• Lead Spacing: 31.80 mm
• Diameter: 90.00 mm
• Height: 69.00 mm (Max)
• Mounting Type: Chassis Mount

Compliance Parameters (Must Match):

• RoHS Status: ROHS3 Compliant
• MSL Rating: 1 (Unlimited)
• REACH Status: REACH Unaffected

The substitute part ALS70A753QC063 meets all specified criteria and is therefore classified as a parametric equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both the ALS71C753QC063 and ALS70A753QC063 are Active product status components manufactured by KEMET with full ROHS3 compliance and REACH unaffected status. The parts are electrically and mechanically identical across all specified parameters.

Selection between these parts should be based on:

1. Inventory Availability: Current stock levels may influence part selection. The ALS70A753QC063 currently has 1124 pieces in stock compared to 1085 pieces for the ALS71C753QC063.

2. Series Designation: The ALS71C753QC063 belongs to the ALS71 series, while the ALS70A753QC063 belongs to the ALS70 series. Both series maintain identical electrical and mechanical specifications for this capacitance and voltage rating.

3. Compliance Certification: Both parts maintain identical compliance certifications (ROHS3, REACH Unaffected, MSL 1), ensuring regulatory equivalence in applications requiring environmental compliance documentation.

4. Operational Equivalence: The parts are functionally interchangeable in all applications where the ALS71C753QC063 is specified, with no performance differentiation across electrical parameters, thermal characteristics, or mechanical dimensions.

Frequently Asked Questions (FAQ)

Q: Can the ALS70A753QC063 be used as a direct replacement for the ALS71C753QC063?

A: Yes. The ALS70A753QC063 is a parametric equivalent with identical electrical specifications (75000 µF, 63 V, 14 mOhm ESR @ 100Hz), identical mechanical dimensions (90.00 mm diameter, 69.00 mm height, 31.80 mm lead spacing), and identical screw terminal package configuration. Both parts are ROHS3 compliant and maintain the same operating temperature range and lifetime rating.

Q: Are there any differences in the screw terminal configuration between these parts?

A: No. Both the ALS71C753QC063 and ALS70A753QC063 use identical Radial, Can - Screw Terminals package types with matching lead spacing of 31.80 mm, ensuring mechanical compatibility in existing PCB layouts and chassis mount applications.

Q: What is the significance of the series designation (ALS71 vs. ALS70)?

A: The series designation indicates the product line within KEMET's aluminum electrolytic capacitor portfolio. For the 75000 µF, 63 V specification, both the ALS71 and ALS70 series maintain identical electrical and mechanical parameters, making them functionally equivalent for engineering purposes.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both the ALS71C753QC063 and ALS70A753QC063 are ROHS3 compliant, REACH unaffected, and carry MSL rating 1 (Unlimited). They are equivalent for applications requiring environmental compliance documentation.

Q: What ripple current specifications apply to both parts?

A: Both parts are rated for 22.3 A ripple current at 100 Hz and 24 A ripple current at 10 kHz, with identical impedance of 13 mOhms. These specifications ensure equivalent performance in power supply filtering and energy storage applications.

Q: Are the physical dimensions identical for PCB layout purposes?

A: Yes. Both parts share identical dimensions: 90.00 mm diameter, 69.00 mm maximum seated height, and 31.80 mm lead spacing. Existing mechanical designs and mounting fixtures are fully compatible with either part.

Q: What is the operating temperature range for both parts?

A: Both parts operate across -40°C to 85°C with a rated lifetime of 20000 hours at 85°C, ensuring identical thermal performance characteristics in temperature-sensitive applications.