B43252C5157M Equivalent & Substitute Parts

Part Overview

The B43252C5157M is a 150 µF, 450 V aluminum electrolytic capacitor in radial, can snap-in package manufactured by EPCOS - TDK Electronics. This component is rated for 2000 hours at 105°C and is designed for general-purpose applications requiring through-hole mounting. The part is currently active in production with ROHS3 compliance.

Equivalent and substitute parts become necessary when the primary part experiences supply constraints, extended lead times, or when design requirements call for enhanced performance characteristics such as extended lifetime ratings or improved ripple current handling.

Key Parameters

Parameter	Value
Capacitance	150 µF
Voltage Rating	450 V
Tolerance	±20%
Lifetime @ 105°C	2000 Hrs
Operating Temperature Range	-25°C ~ 105°C
Lead Spacing	0.394" (10.00 mm)
Case Diameter	1.181" (30.00 mm)
Height (Seated Max)	1.260" (32.00 mm)
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Polarization	Polar

Substitute Part Grouping Explanation

Substitution eligibility for the B43252C5157M is determined by strict adherence to the following parameters:

Critical Parameters (Must Match):

Capacitance: 150 µF
Voltage Rating: 450 V or higher
Tolerance: ±20%
Package Type: Radial, Can - Snap-In
Mounting Type: Through Hole
Lead Spacing: 0.394" (10.00 mm)
Case Diameter: 1.181" (30.00 mm)

Compatible Variation Parameters:

Lifetime @ 105°C: Equal to or greater than 2000 hours
Operating Temperature Range: Must encompass -25°C minimum
Height (Seated Max): Within mechanical envelope constraints

Parts are grouped into direct equivalents (matching all parameters) and upgrades (enhanced performance characteristics while maintaining mechanical and electrical compatibility).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Operating Temp	Lead Spacing	Case Dia	Height Max	Product Status
B43252C5157M	EPCOS - TDK	150 µF	450 V	±20%	2000 Hrs	-25°C ~ 105°C	0.394"	1.181"	1.260"	Active
B43254C5157M000	EPCOS - TDK	150 µF	450 V	±20%	3000 Hrs	-25°C ~ 105°C	0.394"	1.181"	1.260"	Not For New Designs
B43509C5157M000	EPCOS - TDK	150 µF	450 V	±20%	3000 Hrs	-40°C ~ 105°C	0.394"	1.181"	1.260"	Active
381LX151M450K022	Cornell Dubilier	150 µF	450 V	±20%	3000 Hrs	-25°C ~ 105°C	0.394"	1.181"	1.260"	Active
LGX2W151MELB25	Nichicon	150 µF	450 V	±20%	5000 Hrs	-25°C ~ 105°C	0.394"	1.181"	1.063"	Active
ELHS501VSN151MR30S	Chemi-Con	150 µF	500 V	±20%	5000 Hrs	-40°C ~ 105°C	0.394"	1.181"	1.280"	Active

Engineering Selection Recommendations

Direct Equivalents (Same Electrical and Mechanical Specifications):

B43254C5157M000 provides identical electrical performance with extended 3000-hour lifetime. However, this part carries "Not For New Designs" status, limiting its suitability for new development projects despite mechanical compatibility.

B43509C5157M000 is an active EPCOS - TDK equivalent offering 3000-hour lifetime with expanded operating temperature range (-40°C to 105°C). This part maintains full mechanical compatibility and is recommended for applications requiring lower temperature operation.

381LX151M450K022 from Cornell Dubilier Electronics provides 3000-hour lifetime with active product status. All mechanical and electrical parameters align with the B43252C5157M, making it a suitable direct replacement.

Performance Upgrades (Enhanced Characteristics):

LGX2W151MELB25 from Nichicon offers 5000-hour lifetime at 105°C with active product status. The seated height is reduced to 1.063" (27.00 mm), providing a more compact footprint while maintaining all other mechanical specifications. This part is suitable for applications where extended service life is required.

ELHS501VSN151MR30S from Chemi-Con provides the highest voltage rating at 500 V with 5000-hour lifetime and active status. Operating temperature range extends to -40°C. The seated height is 1.280" (32.50 mm). This part is classified as an upgrade due to elevated voltage rating and is suitable for applications requiring higher voltage margin or extended temperature operation.

All substitute parts maintain ROHS3 compliance and are suitable for through-hole PCB assembly with identical lead spacing and case diameter.

Frequently Asked Questions (FAQ)

Q: Can B43254C5157M000 be used as a direct replacement for B43252C5157M?

A: B43254C5157M000 is mechanically and electrically compatible with identical capacitance, voltage, tolerance, lead spacing, and case dimensions. However, this part carries "Not For New Designs" status, which may restrict its use in new product development depending on organizational design policies.

Q: What is the primary advantage of LGX2W151MELB25 over the original B43252C5157M?

A: LGX2W151MELB25 provides 5000-hour lifetime at 105°C compared to 2000 hours for the B43252C5157M, offering 2.5 times extended service life. The seated height is also reduced to 1.063" (27.00 mm), providing a more compact footprint. Both parts maintain identical capacitance, voltage, tolerance, and lead spacing.

Q: Is ELHS501VSN151MR30S compatible with circuits designed for 450 V operation?

A: Yes. ELHS501VSN151MR30S is rated for 500 V, which exceeds the 450 V requirement. Higher voltage-rated capacitors are electrically compatible with lower voltage circuits. The part maintains identical capacitance, tolerance, lead spacing, and case diameter. The seated height is 1.280" (32.50 mm), which is within acceptable mechanical variation.

Q: What is the difference between B43509C5157M000 and B43254C5157M000?

A: Both parts offer 3000-hour lifetime at 450 V with 150 µF capacitance. B43509C5157M000 has an expanded operating temperature range of -40°C to 105°C compared to -25°C to 105°C for B43254C5157M000. B43509C5157M000 carries active product status, while B43254C5157M000 is marked "Not For New Designs."

Q: Can substitute parts be mixed on the same PCB?

A: Yes. All listed substitute parts maintain identical lead spacing (0.394"), case diameter (1.181"), and package type (Radial, Can - Snap-In). Mechanical compatibility allows mixed population on the same board. Verify that seated height variations do not conflict with adjacent components or enclosure constraints.

Q: Which substitute part offers the best overall performance?

A: LGX2W151MELB25 and ELHS501VSN151MR30S both provide 5000-hour lifetime with active product status. LGX2W151MELB25 maintains the original -25°C to 105°C temperature range with reduced height. ELHS501VSN151MR30S extends temperature range to -40°C and provides 500 V rating. Selection depends on specific application requirements for temperature range and voltage margin.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message