ALS71P273NT250 Equivalent & Substitute Parts

Part Overview

The ALS71P273NT250 is a 27000 µF, 250 V aluminum electrolytic capacitor manufactured by KEMET, featuring radial can construction with screw terminals. This component is classified as Active product status and is designed for general-purpose applications requiring high capacitance and voltage ratings in chassis-mount configurations. Equivalent and substitute parts are identified to provide design flexibility, inventory optimization, and supply chain continuity while maintaining electrical and mechanical compatibility.

Substiute Parts

ALS71P273NT250

KEMETIn Stock: 765ALS71P273NT250 Datasheet

Current PartRFQ

ALS70A273NT250

KEMETIn Stock: 1072ALS70A273NT250 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ALS71P273NT250 are identified based on strict electrical and mechanical parameter matching. The substitution logic is based on the following critical parameters:

Electrical Parameters:

• Capacitance: 27000 µF (exact match required)
• Voltage Rating: 250 V (exact match required)
• Tolerance: ±20% (exact match required)
• ESR @ 100Hz: 15 mOhm (exact match required)
• Lifetime @ 85°C: 20000 Hrs (exact match required)
• Operating Temperature Range: -40°C ~ 85°C (exact match required)
• Ripple Current @ 100 Hz: 25.1 A (exact match required)
• Ripple Current @ 10 kHz: 30.5 A (exact match required)
• Impedance: 12 mOhms (exact match required)

Mechanical Parameters:

• Lead Spacing: 1.252" (31.80 mm) (exact match required)
• Diameter: 3.031" (77.00 mm) (exact match required)
• Height - Seated (Max): 8.740" (222.00 mm) (exact match required)
• Package / Case: Radial, Can - Screw Terminals (exact match required)
• Mounting Type: Chassis Mount (exact match required)

Compliance Parameters:

• RoHS Status: ROHS3 Compliant (exact match required)
• MSL: 1 (Unlimited) (exact match required)

The ALS70A273NT250 qualifies as a parametric equivalent substitute, as it meets all electrical, mechanical, and compliance requirements specified above.

Parameter Comparison

Engineering Selection Recommendations

Both the ALS71P273NT250 and ALS70A273NT250 are Active product status components manufactured by KEMET and are ROHS3 Compliant. The primary difference between these parts is the series designation: ALS71 versus ALS70A. Both parts satisfy identical electrical specifications, mechanical dimensions, and compliance requirements.

Selection between these parts is based on availability and supply chain considerations. The ALS70A273NT250 currently maintains higher inventory levels (1044 Pcs) compared to the ALS71P273NT250 (689 Pcs), making it suitable for applications where supply continuity is a priority. Both parts are suitable for direct substitution in general-purpose applications requiring 27000 µF capacitance at 250 V with screw terminal connections.

Frequently Asked Questions (FAQ)

Q: Can the ALS70A273NT250 be used as a direct replacement for the ALS71P273NT250?

A: Yes. The ALS70A273NT250 is a parametric equivalent substitute. All electrical parameters, mechanical dimensions, lead spacing, and compliance certifications are identical. Direct substitution is permissible in circuit designs.

Q: What is the difference between the ALS71 and ALS70A series?

A: The series designation indicates different product lines within KEMET's aluminum electrolytic capacitor portfolio. Both series share identical electrical and mechanical specifications for this 27000 µF, 250 V configuration.

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

A: Yes. Both parts feature Radial, Can - Screw Terminals with identical lead spacing of 1.252" (31.80 mm), ensuring mechanical compatibility in chassis-mount applications.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the ALS71P273NT250 and ALS70A273NT250 are ROHS3 Compliant with MSL rating of 1 (Unlimited). REACH Status is Unaffected for both parts.

Q: What is the maximum operating temperature for these capacitors?

A: Both parts operate within the temperature range of -40°C to 85°C, with a rated lifetime of 20000 hours at 85°C.

Q: Are the ripple current ratings the same?

A: Yes. Both parts support identical ripple current ratings: 25.1 A @ 100 Hz and 30.5 A @ 10 kHz.

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

A: Yes. The identical mechanical dimensions (3.031" diameter, 8.740" height) and lead spacing ensure that both parts fit the same mounting footprint and screw terminal connections.