LKSN2392MESZ Equivalent & Substitute Parts

Part Overview

The LKSN2392MESZ is a 3900 µF, 56 V aluminum electrolytic capacitor in radial, can snap-in package manufactured by Nichicon. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement. The part is designed for audio applications with a rated lifetime of 1000 hours at 85°C and operates across a temperature range of -40°C to 85°C.

Key Parameters

Parameter	Value
Capacitance	3900 µF
Tolerance	±20%
Voltage - Rated	56 V
Operating Temperature Range	-40°C ~ 85°C
Lifetime @ Temperature	1000 Hrs @ 85°C
Lead Spacing	0.394" (10.00 mm)
Size / Dimension	0.866" Dia (22.00 mm)
Height - Seated (Max)	1.654" (42.00 mm)
Package / Case	Radial, Can - Snap-In
Mounting Type	Through Hole
Polarization	Polar

Substitute Part Grouping Explanation

Substitution for the LKSN2392MESZ is determined by strict equivalence across the following parameters:

Capacitance: 3900 µF (exact match required)
Tolerance: ±20% (exact match required)
Package / Case: Radial, Can - Snap-In (exact match required)
Lead Spacing: 0.394" (10.00 mm) (exact match required)
Physical Dimensions: 0.866" Dia (22.00 mm) and 1.654" (42.00 mm) height (exact match required)
Mounting Type: Through Hole (exact match required)
Polarization: Polar (exact match required)

All substitute parts listed meet these core requirements. Voltage rating may be equal to or higher than the original 56 V specification. Operating temperature range and lifetime ratings may vary based on manufacturer design.

Parameter Comparison

Parameter	LKSN2392MESZ (Nichicon)	LLS1J392MELZ (Nichicon)	63MXG3900MEFCSN22X40 (Rubycon)	B41231A8398M000 (EPCOS - TDK)
Capacitance	3900 µF	3900 µF	3900 µF	3900 µF
Tolerance	±20%	±20%	±20%	±20%
Voltage - Rated	56 V	63 V	63 V	63 V
Operating Temperature Range	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 105°C	-40°C ~ 85°C
Lifetime @ Temperature	1000 Hrs @ 85°C	3000 Hrs @ 85°C	3000 Hrs @ 105°C	2000 Hrs @ 85°C
Lead Spacing	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)
Size / Dimension	0.866" Dia (22.00 mm)	0.866" Dia (22.00 mm)	0.866" Dia (22.00 mm)	0.866" Dia (22.00 mm)
Height - Seated (Max)	1.654" (42.00 mm)	1.654" (42.00 mm)	1.654" (42.00 mm)	1.654" (42.00 mm)
Package / Case	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Polarization	Polar	Polar	Polar	Polar
Product Status	Obsolete	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

All three substitute parts are active products with current manufacturing status, addressing the obsolescence of the LKSN2392MESZ. Selection should be based on the following criteria:

LLS1J392MELZ (Nichicon): Maintains the same manufacturer as the original part with identical operating temperature range. Offers extended lifetime (3000 hours at 85°C versus 1000 hours) and higher voltage rating (63 V). ROHS3 compliant. Suitable for direct replacement with improved reliability characteristics.

63MXG3900MEFCSN22X40 (Rubycon): Provides the highest operating temperature capability (-40°C to 105°C) and extended lifetime (3000 hours at 105°C). ROHS3 compliant with MSL rating of 1 (Unlimited). Appropriate for applications requiring enhanced thermal performance.

B41231A8398M000 (EPCOS - TDK Electronics): Offers intermediate lifetime rating (2000 hours at 85°C) with higher ripple current capability at low frequency (3.6 A @ 120 Hz). ROHS3 compliant. Suitable for applications prioritizing ripple current performance.

All substitute parts share identical physical dimensions, lead spacing, and package configuration, ensuring mechanical compatibility with existing PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can the LKSN2392MESZ be directly replaced with any of these substitute parts?

A: Yes. All substitute parts maintain identical capacitance (3900 µF), tolerance (±20%), physical dimensions (0.866" diameter, 1.654" height), lead spacing (0.394"), package type (Radial, Can - Snap-In), and mounting configuration (Through Hole). The higher voltage ratings (63 V versus 56 V) are compatible with the original circuit design.

Q: What is the primary difference between the substitute options?

A: The main differences are manufacturer, operating temperature range, and lifetime rating. LLS1J392MELZ and B41231A8398M000 operate to 85°C, while 63MXG3900MEFCSN22X40 extends to 105°C. Lifetime ratings range from 2000 to 3000 hours at their respective temperature ratings.

Q: Are all substitute parts RoHS compliant?

A: Yes. All three substitute parts are ROHS3 compliant, meeting current environmental and regulatory requirements.

Q: Does the higher voltage rating of the substitute parts affect circuit operation?

A: No. A capacitor with a higher voltage rating than required operates identically in the circuit. The 63 V rating on substitute parts is compatible with the original 56 V design specification.

Q: What is the ripple current consideration for these parts?

A: Ripple current specifications vary by manufacturer. The LKSN2392MESZ is rated at 2.6 A @ 120 Hz. Substitute parts range from 2.55 A to 3.6 A @ 120 Hz. Selection should confirm ripple current adequacy for the specific application.

Q: Are there any packaging or inventory considerations?

A: All substitute parts are available in bulk packaging with active inventory status. LLS1J392MELZ has 1199 units in stock, 63MXG3900MEFCSN22X40 has 10400 units, and B41231A8398M000 has 1250 units available.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message