ALS71H274NT063 Equivalent & Substitute Parts

Part Overview

The ALS71H274NT063 is a 270000 µF aluminum electrolytic capacitor rated at 63 V 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 energy storage in chassis-mounted configurations. The part features a radial can design with screw terminal connections, suitable for applications demanding robust mechanical mounting and reliable long-term performance at elevated temperatures.

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

Substiute Parts

ALS71H274NT063

KEMETIn Stock: 1055ALS71H274NT063 Datasheet

Current PartRFQ

ALS70A274NT063

KEMETIn Stock: 1195ALS70A274NT063 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of aluminum electrolytic capacitors in the 270000 µF / 63 V category is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Capacitance value: 270000 µF (exact match required)
• Rated voltage: 63 V (exact match required)
• Capacitance tolerance: ±20% (exact match required)
• ESR @ 100Hz: 7 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 @ 100 Hz and 10 kHz (exact match required)

Mechanical Equivalence Criteria:

• Package type: Radial, Can - Screw Terminals (exact match required)
• Lead spacing: 31.80 mm (exact match required)
• Physical dimensions: 77.00 mm diameter × 222.00 mm height (exact match required)
• Mounting type: Chassis Mount (exact match required)

Compliance Equivalence Criteria:

• RoHS3 compliance status (exact match required)
• MSL rating: 1 (Unlimited) (exact match required)

The ALS71H274NT063 and ALS70A274NT063 share identical electrical performance, mechanical form factor, and compliance certifications, establishing direct substitutability within the same application context.

Parameter Comparison

Engineering Selection Recommendations

Both the ALS71H274NT063 and ALS70A274NT063 are active products manufactured by KEMET with full ROHS3 compliance and identical electrical and mechanical specifications. The parts differ only in their series designation (ALS71 versus ALS70), reflecting internal product line organization within KEMET's aluminum electrolytic capacitor portfolio.

Selection between these parts is based on availability and inventory status. The ALS71H274NT063 maintains 1024 pieces in stock, while the ALS70A274NT063 maintains 1162 pieces in stock. Both parts satisfy all electrical performance requirements, mechanical mounting constraints, and regulatory compliance obligations for general-purpose applications requiring 270000 µF capacitance at 63 V with screw terminal connections.

No performance degradation or functional compromise occurs when substituting either part for the other in circuits designed for the 270000 µF / 63 V / ±20% tolerance specification.

Frequently Asked Questions (FAQ)

Q: Can ALS70A274NT063 be used as a direct replacement for ALS71H274NT063?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including capacitance, voltage rating, ESR, ripple current, physical dimensions, and mounting configuration. Direct substitution is valid without circuit modification.

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

A: The series designation reflects KEMET's internal product line organization. From an engineering perspective, the ALS71H274NT063 and ALS70A274NT063 are functionally equivalent with no performance differences in the specified electrical or mechanical parameters.

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

A: Yes. Both parts use identical radial can screw terminal configurations with 31.80 mm lead spacing, ensuring mechanical compatibility with existing PCB layouts and chassis mounting hardware.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both the ALS71H274NT063 and ALS70A274NT063 are ROHS3 compliant with MSL rating of 1 (Unlimited), satisfying identical regulatory and environmental requirements.

Q: What is the maximum ripple current these capacitors can handle?

A: The ALS71H274NT063 and ALS70A274NT063 are rated for 34.2 A ripple current at 100 Hz and 35.5 A ripple current at 10 kHz. These specifications are identical across both parts.

Q: Can these capacitors be used in applications requiring operation below -40°C or above 85°C?

A: No. Both parts are specified for operation within the -40°C to 85°C temperature range. Applications requiring operation outside this range require alternative component selection.

Q: What is the expected lifetime of these capacitors at rated conditions?

A: Both parts are rated for 20000 hours of operation at 85°C. Lifetime decreases at higher operating temperatures according to aluminum electrolytic capacitor degradation characteristics.