ALS70C123MF200 Equivalent & Substitute Parts

Part Overview

The ALS70C123MF200 is a 12000 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 677 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

ALS70C123MF200

KEMETIn Stock: 778ALS70C123MF200 Datasheet

Current PartRFQ

ALS71A123MF200

KEMETIn Stock: 986ALS71A123MF200 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ALS70C123MF200 is determined by strict equivalence across the following critical parameters:

• Capacitance Value: 12000 µF (exact match required)
• Voltage Rating: 200 V (exact match required)
• Tolerance: ±20% (exact match required)
• ESR @ 100Hz: 29 mOhm (exact match required)
• Lifetime @ 85°C: 19000 Hrs (exact match required)
• Operating Temperature Range: -40°C ~ 85°C (exact match required)
• Ripple Current Ratings: 16.8 A @ 100 Hz and 22.7 A @ 10 kHz (exact match required)
• Impedance: 22 mOhms (exact match required)
• Physical Dimensions: 66.00 mm diameter, 107.00 mm height, 28.50 mm lead spacing (exact match required)
• Package Type: Radial, Can - Screw Terminals (exact match required)
• Mounting Type: Chassis Mount (exact match required)
• Compliance: ROHS3 Compliant, MSL 1 (exact match required)

The ALS71A123MF200 meets all substitution criteria as a parametric equivalent within the KEMET aluminum electrolytic capacitor product line.

Parameter Comparison

Engineering Selection Recommendations

Both the ALS70C123MF200 and ALS71A123MF200 are active production parts from KEMET with identical electrical and mechanical specifications. Selection between these parts is based on availability and inventory status:

• ALS70C123MF200: 677 units in stock
• ALS71A123MF200: 970 units in stock

Both parts carry ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements. The ALS71A123MF200 offers higher inventory availability. Component selection should be based on procurement lead time requirements and supply chain constraints.

Frequently Asked Questions (FAQ)

Q: Can ALS71A123MF200 be used as a direct replacement for ALS70C123MF200?

A: Yes. The ALS71A123MF200 is a parametric equivalent with identical capacitance, voltage rating, tolerance, ESR, lifetime rating, operating temperature range, ripple current specifications, impedance, physical dimensions, and package configuration. Direct substitution is electrically and mechanically compatible.

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

A: The series designation reflects internal KEMET product line organization. Both series share identical electrical and mechanical parameters for this specific part number configuration. The difference is in product line classification only.

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

A: Yes. Both parts use identical radial, can-style screw terminal configurations with 28.50 mm lead spacing, 66.00 mm diameter, and 107.00 mm maximum seated height. PCB mounting and terminal connection procedures are identical.

Q: Do both parts meet the same compliance standards?

A: Yes. Both ALS70C123MF200 and ALS71A123MF200 are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level) and REACH unaffected status.

Q: What is the ripple current rating used for component selection?

A: Selection depends on circuit operating frequency. Use 16.8 A @ 100 Hz for low-frequency applications and 22.7 A @ 10 kHz for high-frequency applications. Both parts support identical ripple current specifications across frequency ranges.

Q: Is thermal management different between these parts?

A: No. Both parts have identical lifetime ratings of 19000 hours at 85°C and identical operating temperature ranges of -40°C to 85°C. Thermal performance and derating curves are equivalent.