ALS70P474NF025 Equivalent & Substitute Parts

Part Overview

The ALS70P474NF025 is a 470000 µF, 25 V aluminum electrolytic capacitor with screw terminals, manufactured by KEMET in the ALS70 series. This component is classified as an active product and is designed for general-purpose applications requiring high-capacitance energy storage in chassis-mounted configurations. The part is ROHS3 compliant and carries a 20000-hour lifetime rating at 85°C operating temperature.

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product category, enabling direct functional replacement in circuit designs without performance degradation.

Substiute Parts

ALS70P474NF025

KEMETIn Stock: 822ALS70P474NF025 Datasheet

Current PartRFQ

ALS70A474NF025

KEMETIn Stock: 822ALS70A474NF025 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for aluminum electrolytic capacitors in the 470000 µF, 25 V category is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match Exactly):

• Capacitance: 470000 µF
• Voltage Rating: 25 V
• Tolerance: ±20%
• ESR @ 100Hz: 9 mOhm
• Lifetime @ 85°C: 20000 Hrs
• Operating Temperature Range: -40°C ~ 85°C
• Ripple Current @ 100 Hz: 28 A
• Ripple Current @ 10 kHz: 28.6 A
• Impedance: 10 mOhms

Mechanical Parameters (Must Match Exactly):

• Package Type: Radial, Can - Screw Terminals
• Lead Spacing: 31.80 mm
• Diameter: 77.00 mm
• Height - Seated (Max): 107.00 mm
• Mounting Type: Chassis Mount
• Polarization: Polar

Compliance Parameters (Must Match Exactly):

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

The ALS70P474NF025 belongs to the KEMET ALS70 series. Substitute parts must originate from the same manufacturer and series to ensure design consistency and performance reliability.

Parameter Comparison

Engineering Selection Recommendations

ALS70A474NF025 as Direct Substitute:

The ALS70A474NF025 is a parametric equivalent to the ALS70P474NF025. All electrical specifications, mechanical dimensions, and compliance certifications are identical. Both parts are active products from KEMET's ALS70 series, carry ROHS3 compliance, and maintain the same MSL rating of 1 (Unlimited).

The substitute part is suitable for direct replacement in applications where the ALS70P474NF025 is specified. No circuit redesign or performance re-evaluation is required when substituting between these two part numbers, as all functional parameters remain constant.

Both parts maintain active product status, ensuring continued availability and manufacturing support from KEMET.

Frequently Asked Questions (FAQ)

Q: Can ALS70A474NF025 be used as a direct replacement for ALS70P474NF025?

A: Yes. The ALS70A474NF025 is a parametric equivalent with identical electrical and mechanical specifications. All key parameters including capacitance (470000 µF), voltage rating (25 V), ESR (9 mOhm @ 100Hz), ripple current ratings, physical dimensions, and compliance certifications match exactly.

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

A: No. Both parts use identical Radial, Can - Screw Terminals packaging with the same lead spacing of 31.80 mm. The mounting interface and terminal specifications are equivalent.

Q: Do both parts have the same physical footprint?

A: Yes. Both parts share identical dimensions: 77.00 mm diameter and 107.00 mm maximum seated height. They are both chassis-mount components with identical lead spacing, ensuring compatibility with the same PCB layouts and mechanical enclosures.

Q: What is the significance of the ±20% tolerance specification?

A: The ±20% tolerance indicates the allowable deviation from the nominal 470000 µF capacitance value. Both the main part and substitute maintain this tolerance specification, ensuring equivalent performance in applications where this tolerance band is acceptable.

Q: Are both parts RoHS compliant?

A: Yes. Both ALS70P474NF025 and ALS70A474NF025 are ROHS3 compliant and carry MSL rating 1 (Unlimited), meeting current environmental and regulatory requirements for electronic component manufacturing and deployment.

Q: What is the operational lifetime specification?

A: Both parts are rated for 20000 hours of operation at 85°C. This specification defines the expected service life under maximum temperature conditions and is identical across both part numbers.

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

A: Yes. Since all electrical parameters, mechanical dimensions, and compliance certifications are identical, these parts can be used interchangeably without requiring design modifications, re-qualification, or performance testing.