ALS71A471DB500 Equivalent & Substitute Parts

Part Overview

The ALS71A471DB500 is a 470 µF, 500 V aluminum electrolytic capacitor manufactured by KEMET in the ALS71 series. This component features radial, can-style construction with screw terminals, designed for chassis mount applications requiring general-purpose energy storage and filtering. The part maintains Active product status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified to provide design flexibility when primary inventory is unavailable or when equivalent performance specifications are required across compatible series variants.

Substiute Parts

ALS71A471DB500

KEMETIn Stock: 1206ALS71A471DB500 Datasheet

Current PartRFQ

ALS70A471DB500

KEMETIn Stock: 1056ALS70A471DB500 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ALS71A471DB500 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Capacitance: 470 µF
• Voltage Rating: 500 V
• Tolerance: ±20%
• ESR @ 100Hz: 531 mOhm
• Lifetime @ 85°C: 11000 Hrs
• Operating Temperature Range: -40°C to 85°C
• Ripple Current @ 100 Hz: 3.1 A
• Ripple Current @ 10 kHz: 6 A
• Lead Spacing: 12.80 mm
• Diameter: 36.00 mm
• Height - Seated (Max): 64.00 mm
• Package Type: Radial, Can - Screw Terminals
• Mounting Type: Chassis Mount

The ALS70A471DB500 qualifies as a parametric equivalent substitute because it maintains identical electrical performance specifications, mechanical dimensions, and thermal characteristics across all critical parameters. The substitution represents a series variant within KEMET's aluminum electrolytic capacitor portfolio, with both parts meeting identical compliance and certification requirements.

Parameter Comparison

Engineering Selection Recommendations

Both the ALS71A471DB500 and ALS70A471DB500 are Active products with full regulatory compliance. Selection between these parts should be based on:

Availability and Inventory: The ALS71A471DB500 maintains 1127 pieces in stock, while the ALS70A471DB500 has 955 pieces available. Either part may be selected based on current procurement requirements and supply chain status.

Compliance Certification: Both parts carry identical compliance designations: ROHS3 Compliant, REACH Unaffected, and EAR99 ECCN classification. No compliance advantage exists between the two options.

Series Designation: The ALS71A471DB500 belongs to the ALS71 series, while the substitute belongs to the ALS70 series. This series distinction does not affect electrical performance, thermal characteristics, or mechanical compatibility within the specified parameters.

Application Suitability: Both parts are rated for general-purpose applications and are suitable for direct substitution in circuits requiring 470 µF capacitance at 500 V with the specified ripple current and thermal performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can the ALS70A471DB500 be used as a direct replacement for the ALS71A471DB500?

A: Yes. The ALS70A471DB500 is a parametric equivalent with identical electrical specifications, mechanical dimensions, and performance ratings across all critical parameters. Direct substitution is supported without circuit modification.

Q: Are there any differences in physical dimensions between these parts?

A: No. Both parts share identical lead spacing (12.80 mm), diameter (36.00 mm), and maximum seated height (64.00 mm). PCB layout and mounting requirements are identical.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes. Both the ALS71A471DB500 and ALS70A471DB500 are ROHS3 Compliant, REACH Unaffected, and carry EAR99 ECCN classification. Moisture Sensitivity Level is 1 (Unlimited) for both parts.

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

A: The series designation indicates the product line within KEMET's aluminum electrolytic capacitor portfolio. For the specified part number configurations, both series deliver identical electrical performance and thermal characteristics at the 470 µF, 500 V rating.

Q: Are the ESR and impedance values identical?

A: Yes. Both parts maintain 531 mOhm ESR @ 100Hz and 399 mOhms impedance, ensuring equivalent performance in ripple current filtering and energy storage applications.

Q: What is the thermal lifetime rating for both parts?

A: Both parts are rated for 11000 hours at 85°C operating temperature, with an operating temperature range of -40°C to 85°C.

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

A: Yes. Both parts support identical ripple current specifications: 3.1 A @ 100 Hz and 6 A @ 10 kHz, making them suitable for equivalent use in power supply filtering and similar applications.