ALS70C183NF200 Equivalent & Substitute Parts

Part Overview

The ALS70C183NF200 is an 18000 µF, 200 V aluminum electrolytic capacitor manufactured by KEMET in the ALS70 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 with 737 units in stock. Substitute parts are identified to provide alternative sourcing options when the primary part number is unavailable or when inventory constraints require component flexibility.

Substiute Parts

ALS70C183NF200

KEMETIn Stock: 772ALS70C183NF200 Datasheet

Current PartRFQ

ALS71A183NF200

KEMETIn Stock: 952ALS71A183NF200 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ALS70C183NF200 is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match):

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

Mechanical Parameters (Must Match):

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

Compliance & Status (Must Match):

• Product Status: Active
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The ALS71A183NF200 meets all substitution criteria and is classified as a parametric equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both the ALS70C183NF200 and ALS71A183NF200 are active production parts manufactured by KEMET with identical electrical and mechanical specifications. Selection between these parts is based on availability and inventory status:

ALS70C183NF200: 737 units in stock. Primary selection when available.

ALS71A183NF200: 896 units in stock. Alternative selection when primary part is unavailable or when higher inventory availability is required.

Both parts carry ROHS3 compliance and are unaffected by REACH regulations. Both are classified as Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements during storage or assembly.

Frequently Asked Questions (FAQ)

Q: Can ALS71A183NF200 be used as a direct replacement for ALS70C183NF200?

A: Yes. The ALS71A183NF200 is a parametric equivalent with identical electrical performance, voltage rating, capacitance, ESR, ripple current specifications, and physical dimensions. Both parts are KEMET aluminum electrolytic capacitors with screw terminals and chassis mount configuration.

Q: Are there any differences in mechanical compatibility?

A: No. Both parts have identical lead spacing (1.252" / 31.80mm), diameter (3.031" / 77.00mm), and height (4.213" / 107.00mm). Both use screw terminal connections and are designed for chassis mount applications.

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

A: The series designation indicates different product lines within KEMET's aluminum electrolytic capacitor portfolio. However, the ALS70C183NF200 and ALS71A183NF200 share identical electrical and mechanical specifications for this capacitance and voltage rating.

Q: Are both parts RoHS compliant?

A: Yes. Both the ALS70C183NF200 and ALS71A183NF200 are ROHS3 compliant and REACH unaffected.

Q: What is the operating temperature range for both parts?

A: Both parts operate across -40°C to 85°C with a rated lifetime of 20000 hours at 85°C.

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

A: Yes. Both parts support identical ripple current specifications: 18.8 A @ 100 Hz and 23 A @ 10 kHz, with equivalent series resistance of 24 mOhm @ 100Hz.