ALS71C183NF200 Equivalent & Substitute Parts

Part Overview

The ALS71C183NF200 is an 18000 µF, 200 V aluminum electrolytic capacitor manufactured by KEMET in the ALS71 series. This radial, can-style capacitor with screw terminals is designed for general-purpose applications requiring high capacitance and voltage ratings. The part is currently active in production status with full inventory availability. Substitute parts are identified to provide alternative sourcing options when the primary part number becomes unavailable or when inventory constraints require component flexibility within equivalent electrical and mechanical specifications.

Substiute Parts

ALS71C183NF200

KEMETIn Stock: 1091ALS71C183NF200 Datasheet

Current PartRFQ

ALS71A183NF200

KEMETIn Stock: 952ALS71A183NF200 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ALS71C183NF200 are identified based on strict equivalence across all critical electrical and mechanical parameters. The substitution logic is based on the following criteria:

Electrical Parameters (Must Match Exactly):

• Capacitance: 18000 µF
• Voltage Rating: 200 V
• Tolerance: ±20%
• ESR @ 100Hz: 24 mOhm
• Lifetime @ 85°C: 20000 Hrs
• Operating Temperature Range: -40°C ~ 85°C
• Ripple Current @ 100 Hz: 18.8 A
• Ripple Current @ 10 kHz: 23 A

Mechanical Parameters (Must Match Exactly):

• Package Type: Radial, Can - Screw Terminals
• Mounting Type: Chassis Mount
• Lead Spacing: 1.252" (31.80mm)
• Diameter: 3.031" (77.00mm)
• Height - Seated (Max): 4.213" (107.00mm)

Compliance & Status (Must Match):

• RoHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Status: Unaffected
• Product Status: Active

The ALS71A183NF200 meets all these criteria and is classified as a parametric equivalent within the KEMET ALS71 series.

Parameter Comparison

Engineering Selection Recommendations

Both the ALS71C183NF200 and ALS71A183NF200 are active production parts from KEMET with full regulatory compliance. Selection between these parts is based on inventory availability and sourcing requirements rather than technical differentiation.

ALS71C183NF200: Primary part number with 1050 units in stock. Recommended for immediate procurement when inventory is available.

ALS71A183NF200: Parametric equivalent with 896 units in stock. Suitable for use when the primary part number is unavailable or when secondary sourcing is required. All electrical performance, mechanical dimensions, and compliance certifications are identical to the primary part.

Both parts carry ROHS3 compliance, REACH unaffected status, and unlimited moisture sensitivity rating (MSL 1), making them suitable for equivalent circuit applications without design modification.

Frequently Asked Questions (FAQ)

Q: Can ALS71A183NF200 be used as a direct replacement for ALS71C183NF200?

A: Yes. The ALS71A183NF200 is a parametric equivalent with identical electrical specifications (18000 µF, 200 V, 24 mOhm ESR @ 100Hz, 20000 Hrs @ 85°C), mechanical dimensions (3.031" diameter, 4.213" height, 1.252" lead spacing), and package configuration (Radial, Can - Screw Terminals, Chassis Mount). No circuit modification is required.

Q: Are there any differences in performance between these two part numbers?

A: No. Both parts have identical capacitance, voltage rating, ESR, ripple current ratings, operating temperature range, and lifetime specifications. The parts differ only in base product number designation within the ALS71 series.

Q: What is the significance of the base product number difference (ALS71C vs. ALS71A)?

A: The base product number designates the internal product line variant within KEMET's ALS71 series. This designation does not affect electrical performance or mechanical compatibility. Both variants meet the same specifications for the 18000 µF, 200 V configuration.

Q: Are both parts RoHS compliant?

A: Yes. Both ALS71C183NF200 and ALS71A183NF200 are ROHS3 compliant and REACH unaffected, meeting current environmental regulations for electronic components.

Q: Can these capacitors be used interchangeably in existing PCB designs?

A: Yes. Both parts have identical lead spacing (1.252"), diameter (3.031"), and height (4.213"), making them mechanically interchangeable in chassis-mount applications. No PCB layout modification is required.

Q: What is the moisture sensitivity level for these capacitors?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard handling and storage procedures apply without special desiccant or humidity control requirements.

Q: Are there inventory considerations when selecting between these parts?

A: Yes. ALS71C183NF200 has 1050 units in stock, while ALS71A183NF200 has 896 units available. Selection should consider project lead times and quantity requirements. Both parts are active production items with ongoing availability.