LKSA2472MESA Equivalent & Substitute Parts

Part Overview

The LKSA2472MESA is a 4700 µF, 42 V aluminum electrolytic capacitor in radial, can snap-in package manufactured by Nichicon. This component is classified as obsolete, making direct replacement necessary for ongoing production and maintenance applications. The original part offers 1000 hours lifetime at 85°C with 2.5 A ripple current capability at 120 Hz, suitable for audio applications requiring stable capacitance in through-hole configurations.

Key Parameters

Parameter	Value
Capacitance	4700 µF
Voltage Rating	42 V
Tolerance	±20%
Lifetime @ Temperature	1000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Ripple Current @ 120 Hz	2.5 A
Lead Spacing	0.394" (10.00 mm)
Package / Case	Radial, Can - Snap-In
Mounting Type	Through Hole
Polarization	Polar

Substitute Part Grouping Explanation

Substitution for LKSA2472MESA is based on the following electrical and mechanical parameters:

Capacitance: 4700 µF (exact match required)
Tolerance: ±20% (exact match required)
Voltage Rating: Minimum 42 V (50 V acceptable as upgrade)
Package / Case: Radial, Can - Snap-In (exact match required)
Lead Spacing: 0.394" (10.00 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Polarization: Polar (exact match required)
Operating Temperature Range: Minimum -40°C ~ 85°C (extended range acceptable)

All substitute parts listed meet or exceed these core parameters. Voltage rating upgrades from 42 V to 50 V provide improved reliability margins. Extended temperature ratings and increased lifetime specifications represent performance enhancements without compromising compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Lifetime @ Temp.	Operating Temp. Range	Ripple Current @ 120 Hz	Lead Spacing	Package / Case	Product Status
LKSA2472MESA	Nichicon	4700 µF	42 V	±20%	1000 Hrs @ 85°C	-40°C ~ 85°C	2.5 A @ 120 Hz	0.394" (10.00 mm)	Radial, Can - Snap-In	Obsolete
LLS1H472MELA	Nichicon	4700 µF	50 V	±20%	3000 Hrs @ 85°C	-40°C ~ 85°C	3.07 A @ 120 Hz	0.394" (10.00 mm)	Radial, Can - Snap-In	Active
380LX472M050J022	Cornell Dubilier Electronics (CDE)	4700 µF	50 V	±20%	3000 Hrs @ 85°C	-40°C ~ 85°C	3 A @ 120 Hz	0.394" (10.00 mm)	Radial, Can - Snap-In	Active
381LQ472M050J022	Cornell Dubilier Electronics (CDE)	4700 µF	50 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	2.5 A @ 120 Hz	0.394" (10.00 mm)	Radial, Can - Snap-In	Active
381LX472M050J022	Cornell Dubilier Electronics (CDE)	4700 µF	50 V	±20%	3000 Hrs @ 105°C	-40°C ~ 105°C	Not specified	0.394" (10.00 mm)	Radial, Can - Snap-In	Active
478LBB050M2CD	Cornell Dubilier / Illinois Capacitor	4700 µF	50 V	±20%	3000 Hrs @ 85°C	-40°C ~ 85°C	2.98 A @ 120 Hz	0.394" (10.00 mm)	Radial, Can - Snap-In	Active
50MXG4700MEFCSN25X30	Rubycon	4700 µF	50 V	±20%	3000 Hrs @ 105°C	-40°C ~ 105°C	2.43 A @ 120 Hz	0.394" (10.00 mm)	Radial, Can - Snap-In	Active
50USC4700MEFCSN25X30	Rubycon	4700 µF	50 V	±20%	3000 Hrs @ 85°C	-40°C ~ 85°C	3.01 A @ 120 Hz	0.394" (10.00 mm)	Radial, Can - Snap-In	Not For New Designs
ESMH500VSN472MQ30S	Chemi-Con	4700 µF	50 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	Not specified	0.394" (10.00 mm)	Radial, Can - Snap-In	Active
MAL225631472E3	Vishay Beyschlag/Draloric/BC Components	4700 µF	50 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	2.18 A @ 120 Hz	0.394" (10.00 mm)	Radial, Can - Snap-In	Active

Engineering Selection Recommendations

All substitute parts are electrically and mechanically compatible with LKSA2472MESA. Selection should prioritize active product status for long-term supply assurance.

Recommended Primary Substitutes:

LLS1H472MELA (Nichicon) provides direct manufacturer continuity with improved specifications: 50 V rating, 3000 hour lifetime at 85°C, and ROHS3 compliance. This part maintains Nichicon sourcing while delivering enhanced reliability.

381LX472M050J022 (Cornell Dubilier Electronics) offers the highest performance specification: 50 V rating, 3000 hour lifetime at 105°C, 53 mOhm ESR, and extended operating temperature range to 105°C. ROHS3 compliant with highest inventory availability (10,298 pcs).

380LX472M050J022 (Cornell Dubilier Electronics) provides 50 V rating, 3000 hour lifetime at 85°C, 110 mOhm ESR at 120 Hz, and ROHS3 compliance with substantial inventory (7,855 pcs).

Secondary Substitutes:

50USC4700MEFCSN25X30 (Rubycon) is classified as "Not For New Designs" and should be avoided for new applications despite active inventory.

ESMH500VSN472MQ30S (Chemi-Con) and MAL225631472E3 (Vishay) offer 2000 hour lifetimes at 85°C or 105°C respectively, representing lower performance than primary options but maintaining full compatibility.

Frequently Asked Questions (FAQ)

Q: Can I use a 50 V rated capacitor in place of the 42 V original?

A: Yes. A higher voltage rating provides improved reliability margins and is a standard engineering practice. The 50 V substitutes are fully compatible with circuits designed for 42 V operation.

Q: What is the significance of extended temperature range (-40°C ~ 105°C vs. -40°C ~ 85°C)?

A: Extended temperature range indicates the capacitor maintains specified performance across a wider operating envelope. This is beneficial for applications subject to thermal stress but not required if the original -40°C ~ 85°C range is sufficient.

Q: How do lifetime specifications (1000 Hrs vs. 3000 Hrs @ 85°C) affect component selection?

A: Lifetime rating indicates expected operational duration under specified temperature conditions. Higher lifetime ratings (3000 Hrs) provide longer service intervals and reduced maintenance frequency. All substitute parts meet or exceed the original 1000 hour specification.

Q: Are all substitute parts RoHS3 compliant?

A: All active substitute parts listed are RoHS3 compliant. The original LKSA2472MESA does not specify RoHS status. Compliance certification is provided for all recommended alternatives.

Q: What does "Not For New Designs" mean for 50USC4700MEFCSN25X30?

A: This designation indicates the manufacturer no longer recommends this part for new circuit designs, though existing inventory remains available. For new applications, select from parts with "Active" product status.

Q: Are the mechanical dimensions identical across all substitute parts?

A: Yes. All substitute parts maintain identical lead spacing (0.394" / 10.00 mm), diameter (0.984" / 25.00 mm), and height (1.260" / 32.00 mm) specifications, ensuring direct board-level compatibility without PCB redesign.

Q: What is ESR (Equivalent Series Resistance) and why does it vary among substitutes?

A: ESR represents internal resistance affecting ripple current handling and thermal performance. Lower ESR values indicate better high-frequency performance. ESR specifications are provided where available; absence of specification does not indicate incompatibility.

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