ALS71U752NF400 Equivalent & Substitute Parts

Part Overview

The ALS71U752NF400 is a 7500 µF, 400 V aluminum electrolytic capacitor manufactured by KEMET, designed for general purpose applications requiring high capacitance and voltage ratings. This component features screw terminals for chassis mount installation and is rated for 20,000 hours of operation at 85°C. The part is currently in active production status with 1,109 units in stock. Equivalent substitute parts are identified when identical electrical performance and mechanical compatibility are maintained across the specified parameter set.

Substiute Parts

ALS71U752NF400

KEMETIn Stock: 1161ALS71U752NF400 Datasheet

Current PartRFQ

ALS70A752NF400

KEMETIn Stock: 925ALS70A752NF400 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ALS71U752NF400 is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Capacitance value: 7500 µF (exact match required)
• Rated voltage: 400 V (exact match required)
• Tolerance: ±20% (exact match required)
• ESR @ 100Hz: 29 mOhm (exact match required)
• Lifetime rating: 20000 Hrs @ 85°C (exact match required)
• Operating temperature range: -40°C ~ 85°C (exact match required)
• Ripple current specifications at both 100 Hz and 10 kHz (exact match required)

Mechanical Parameters:

• Package type: Radial, Can - Screw Terminals (exact match required)
• Mounting type: Chassis Mount (exact match required)
• Physical dimensions: 3.031" diameter, 4.213" height, 1.252" lead spacing (exact match required)
• Polarization: Polar (exact match required)

Compliance Parameters:

• RoHS3 Compliant status (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

The ALS70A752NF400 meets all substitution criteria as a parametric equivalent within the KEMET aluminum electrolytic capacitor product line.

Parameter Comparison

Engineering Selection Recommendations

Both the ALS71U752NF400 and ALS70A752NF400 are active production components manufactured by KEMET with full ROHS3 compliance and REACH unaffected status. Selection between these parts is based on availability and inventory considerations rather than electrical or mechanical performance differences.

The ALS71U752NF400 (1,109 units in stock) and ALS70A752NF400 (912 units in stock) are functionally interchangeable for all applications requiring a 7500 µF, 400 V aluminum electrolytic capacitor with screw terminal connections and chassis mount configuration. Both parts meet identical electrical specifications including ESR, ripple current ratings, and thermal lifetime requirements.

Component selection should prioritize inventory availability and lead time requirements. Both parts carry identical compliance certifications and are suitable for direct substitution in existing designs without circuit modification or re-qualification.

Frequently Asked Questions (FAQ)

Q: Can the ALS70A752NF400 be used as a direct replacement for the ALS71U752NF400?

A: Yes. The ALS70A752NF400 is a parametric equivalent with identical electrical performance, mechanical dimensions, and compliance certifications. Direct substitution is supported without circuit modification.

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

A: No. Both parts feature identical Radial, Can - Screw Terminals with 1.252" (31.80mm) lead spacing and are rated for the same ripple current specifications at 100 Hz and 10 kHz.

Q: Do both parts have the same physical footprint?

A: Yes. Both the ALS71U752NF400 and ALS70A752NF400 share identical dimensions: 3.031" diameter and 4.213" maximum seated height. Mechanical compatibility is guaranteed for chassis mount applications.

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

A: The series designation reflects internal KEMET product line organization. Both series meet identical electrical and mechanical specifications for this 7500 µF, 400 V rating. The difference does not affect performance or compatibility.

Q: Are both parts RoHS compliant?

A: Yes. Both the ALS71U752NF400 and ALS70A752NF400 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the expected operational lifetime for these capacitors?

A: Both parts are rated for 20,000 hours of operation at 85°C. Operating temperature range is -40°C to 85°C for both components.

Q: Can these capacitors be used in high-frequency ripple current applications?

A: Yes. Both parts are rated for 23 A ripple current at 10 kHz, supporting high-frequency power supply and filtering applications with specified thermal management.