ALS71C513NF100 Equivalent & Substitute Parts

Part Overview

The ALS71C513NF100 is a 51000 µF, 100 V aluminum electrolytic capacitor with screw terminals, manufactured by KEMET in the ALS71 series. This component is classified as an active product and is designed for general-purpose applications requiring high capacitance values in chassis-mount configurations. The part features a 12 mOhm equivalent series resistance at 100 Hz and supports a 20000-hour lifetime at 85°C operating temperature.

Substitute parts are identified to provide alternative sourcing options when the primary part number becomes unavailable or when inventory constraints require component alternatives that maintain identical electrical and mechanical specifications.

Substiute Parts

ALS71C513NF100

KEMETIn Stock: 1051ALS71C513NF100 Datasheet

Current PartRFQ

ALS70A513NF100

KEMETIn Stock: 872ALS70A513NF100 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ALS71C513NF100 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part ALS70A513NF100 qualifies as a direct equivalent based on the following criteria:

Electrical Parameter Equivalence:

• Identical capacitance value: 51000 µF
• Identical rated voltage: 100 V
• Identical tolerance: ±20%
• Identical ESR: 12 mOhm @ 100 Hz
• Identical lifetime rating: 20000 Hrs @ 85°C
• Identical operating temperature range: -40°C ~ 85°C
• Identical ripple current specifications at both 100 Hz and 10 kHz

Mechanical Parameter Equivalence:

• Identical lead spacing: 31.80 mm (1.252")
• Identical case diameter: 77.00 mm (3.031")
• Identical seated height: 107.00 mm (4.213")
• Identical mounting type: Chassis Mount
• Identical package configuration: Radial, Can - Screw Terminals

Compliance Equivalence:

• Both parts are ROHS3 Compliant
• Both parts have MSL rating of 1 (Unlimited)
• Both parts are REACH Unaffected
• Both parts share identical ECCN and HTSUS classifications

The only difference between the main part and substitute is the series designation (ALS71 versus ALS70), which reflects internal design evolution within KEMET's product line while maintaining complete parametric compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both the ALS71C513NF100 and ALS70A513NF100 are active products from KEMET with full ROHS3 compliance and REACH unaffected status. Selection between these parts should be based on availability and inventory status rather than technical performance, as all electrical and mechanical parameters are identical.

The ALS71C513NF100 currently maintains 962 pieces in stock, while the ALS70A513NF100 maintains 786 pieces in stock. Both parts support the same operating conditions, thermal performance, and mechanical integration requirements.

For applications requiring this 51000 µF, 100 V aluminum electrolytic capacitor with screw terminals, either part number provides equivalent functionality and can be selected based on supply chain availability and procurement lead times.

Frequently Asked Questions (FAQ)

Q: Can ALS70A513NF100 be used as a direct replacement for ALS71C513NF100?

A: Yes. The ALS70A513NF100 is a direct parametric equivalent. All electrical specifications including capacitance, voltage rating, ESR, ripple current, and lifetime are identical. All mechanical dimensions, lead spacing, and mounting configurations are identical. Both parts are ROHS3 compliant and share identical compliance certifications.

Q: What is the difference between the ALS71 and ALS70 series designations?

A: The series designation reflects KEMET's internal product line evolution. From an engineering standpoint, the ALS70A and ALS71C variants with matching part numbers (513NF100) are functionally equivalent across all specified parameters.

Q: Are the screw terminal connections identical between both parts?

A: Yes. Both the ALS71C513NF100 and ALS70A513NF100 use identical Radial, Can - Screw Terminal package configurations with the same lead spacing of 31.80 mm (1.252").

Q: Do both parts have the same physical dimensions?

A: Yes. Both parts have identical case dimensions: 77.00 mm diameter and 107.00 mm maximum seated height. They are mechanically interchangeable in chassis-mount applications.

Q: What is the ESR specification and how does it affect performance?

A: Both parts have an ESR of 12 mOhm at 100 Hz. This specification defines the equivalent series resistance and directly impacts ripple current handling and thermal performance. The identical ESR ensures equivalent performance in power supply and filtering applications.

Q: Are there any temperature-related differences between the substitute parts?

A: No. Both parts operate across the identical temperature range of -40°C to 85°C and maintain a 20000-hour lifetime rating at 85°C operating temperature.

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

A: Yes, for chassis-mount applications. Both parts feature identical lead spacing and mounting type, allowing direct substitution in existing designs without layout modifications.