B43508B2158M2 Aluminum Electrolytic Capacitor - Equivalent & Substitute Parts

Part Overview

The B43508B2158M2 is a 1500 µF, 200 V aluminum electrolytic capacitor manufactured by EPCOS - TDK Electronics. This radial, snap-in can capacitor is designed for general-purpose applications requiring stable capacitance and extended operational life. The part is currently active in production with 273,782 units in stock. Substitute parts are necessary when the primary part becomes unavailable, when inventory constraints require alternative sourcing, or when design flexibility permits equivalent electrical performance from alternative manufacturers.

Key Parameters

Parameter	Value
Capacitance	1500 µF
Voltage Rating	200 V
Tolerance	±20%
ESR @ 100 Hz	75 mOhm
Lifetime	3000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Lead Spacing	10.00 mm
Case Diameter	35.00 mm
Height (Seated)	37.00 mm
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the B43508B2158M2 is determined by strict equivalence across the following critical parameters:

Capacitance: 1500 µF (exact match required)
Voltage Rating: 200 V (exact match required)
Tolerance: ±20% (exact match required)
Package Type: Radial, Can - Snap-In (exact match required)
Lead Spacing: 10.00 mm (exact match required)
Case Diameter: 35.00 mm (exact match required)
Height: 37.00 mm (exact match required)
Mounting Type: Through Hole (exact match required)
Lifetime: 3000 Hrs @ 105°C (exact match required)
Operating Temperature Range: -40°C ~ 105°C minimum (equal or wider range acceptable)
RoHS Status: ROHS3 Compliant (exact match required)

All three substitute parts meet these criteria. Variations in ESR, ripple current ratings, and packaging format (Bulk vs. standard) do not affect substitution eligibility but may influence performance characteristics in specific circuit applications.

Parameter Comparison

Parameter	B43508B2158M2 (Main)	B43509B2158M000	200MXG1500MEFCSN35X35	LGN2D152MELC35
Manufacturer	EPCOS - TDK Electronics	EPCOS - TDK Electronics	Rubycon	Nichicon
Capacitance	1500 µF	1500 µF	1500 µF	1500 µF
Voltage Rating	200 V	200 V	200 V	200 V
Tolerance	±20%	±20%	±20%	±20%
ESR @ 100 Hz	75 mOhm	95 mOhm	Not specified	Not specified
Lifetime @ 105°C	3000 Hrs	3000 Hrs	3000 Hrs	3000 Hrs
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-25°C ~ 105°C	-40°C ~ 105°C
Lead Spacing	10.00 mm	10.00 mm	10.00 mm	10.00 mm
Case Diameter	35.00 mm	35.00 mm	35.00 mm	35.00 mm
Height (Seated)	37.00 mm	37.00 mm	37.00 mm	37.00 mm
Package Type	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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active
Inventory (Pcs)	273,782	1,148	274,082	273,882

Engineering Selection Recommendations

All three substitute parts are active products with ROHS3 compliance and REACH unaffected status, meeting regulatory requirements equivalent to the B43508B2158M2.

B43509B2158M000 is a parametric equivalent from the same manufacturer (EPCOS - TDK Electronics). The primary difference is ESR specification of 95 mOhm at 100 Hz compared to 75 mOhm in the main part. This represents a 26.7% increase in equivalent series resistance. Both parts share identical capacitance, voltage rating, tolerance, lifetime, operating temperature range, and physical dimensions. Selection of this part is appropriate when EPCOS product continuity is required and the higher ESR is acceptable for the application.

200MXG1500MEFCSN35X35 is manufactured by Rubycon and meets all critical electrical and mechanical parameters. The operating temperature range is -25°C to 105°C, which is narrower than the main part's -40°C to 105°C range. This part is suitable for applications where the lower temperature limit of -25°C is sufficient. Inventory availability is highest among all options at 274,082 units.

LGN2D152MELC35 is manufactured by Nichicon and meets all critical electrical and mechanical parameters. The operating temperature range matches the main part at -40°C to 105°C. This part is suitable for applications requiring the full temperature range and represents a cross-manufacturer alternative with equivalent performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can B43509B2158M000 be used as a direct replacement for B43508B2158M2?

A: Yes. Both parts are manufactured by EPCOS - TDK Electronics with identical capacitance (1500 µF), voltage rating (200 V), tolerance (±20%), lifetime (3000 Hrs @ 105°C), operating temperature range (-40°C ~ 105°C), and physical dimensions (35 mm diameter, 37 mm height, 10 mm lead spacing). The ESR difference (95 mOhm vs. 75 mOhm) does not prevent substitution but may affect circuit performance in applications sensitive to impedance characteristics.

Q: What is the difference between the Rubycon and Nichicon substitutes?

A: Both 200MXG1500MEFCSN35X35 (Rubycon) and LGN2D152MELC35 (Nichicon) meet all critical electrical and mechanical specifications. The key difference is operating temperature range: Rubycon operates from -25°C to 105°C, while Nichicon operates from -40°C to 105°C. Select Nichicon for applications requiring full -40°C lower temperature operation.

Q: Are all substitute parts through-hole mounted with snap-in packaging?

A: Yes. All substitute parts are radial, can-type, snap-in capacitors with through-hole mounting and 10 mm lead spacing, matching the B43508B2158M2 footprint exactly.

Q: Do all parts meet RoHS3 compliance?

A: Yes. The B43508B2158M2 and all three substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: Which substitute part has the best inventory availability?

A: The Rubycon 200MXG1500MEFCSN35X35 has the highest inventory at 274,082 units, followed by Nichicon LGN2D152MELC35 at 273,882 units. The EPCOS B43509B2158M000 has limited availability at 1,148 units.

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