159LBA035M2DF Equivalent & Substitute Parts

Part Overview

The 159LBA035M2DF is a 15000 µF, 35 V aluminum electrolytic capacitor manufactured by Cornell Dubilier / Illinois Capacitor in the LBA series. This radial, can-style snap-in capacitor is designed for general-purpose applications requiring high capacitance values at moderate voltage ratings. The part is currently active in production with 855 units in stock. Equivalent and substitute parts are identified for applications requiring alternative sourcing, inventory management, or specific performance characteristics within the defined electrical and mechanical parameters.

Substiute Parts

159LBA035M2DF

Cornell Dubilier / Illinois CapacitorIn Stock: 905159LBA035M2DF Datasheet

Current PartRFQ

LLS1V153MELB

NichiconIn Stock: 880LLS1V153MELB Datasheet

UpgradeRFQ

B41231A7159M000

EPCOS - TDK ElectronicsIn Stock: 1229B41231A7159M000 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 159LBA035M2DF are qualified based on the following criteria:

Electrical Parameters (Must Match):

• Capacitance: 15000 µF
• Voltage Rating: 35 V
• Tolerance: ±20%
• Polarization: Polar

Mechanical Parameters (Must Match):

• Package Type: Radial, Can - Snap-In
• Lead Spacing: 0.394" (10.00mm)
• Diameter: 1.181" (30.00mm)
• Height (Seated Max): 1.654" (42.00mm)
• Mounting Type: Through Hole

Compliance Parameters (Must Match):

• RoHS Status: ROHS3 Compliant
• Operating Temperature Range: -40°C ~ 85°C

The following parts meet all substitution criteria and are classified as direct equivalents:

1. LLS1V153MELB (Nichicon) - Upgrade substitute with extended lifetime rating
2. B41231A7159M000 (EPCOS - TDK Electronics) - Parametric equivalent with comparable performance

Parameter Comparison

Engineering Selection Recommendations

Primary Equivalent: LLS1V153MELB (Nichicon)

The LLS1V153MELB is classified as an upgrade substitute. This part maintains all electrical and mechanical specifications identical to the 159LBA035M2DF while providing an extended lifetime rating of 3000 hours at 85°C compared to 2000 hours for the original part. Both parts are ROHS3 compliant, active in production, and available in adequate inventory quantities. The Nichicon part is suitable for direct replacement in applications where extended operational life at elevated temperatures is beneficial.

Secondary Equivalent: B41231A7159M000 (EPCOS - TDK Electronics)

The B41231A7159M000 is a parametric equivalent offering identical electrical and mechanical specifications to the 159LBA035M2DF. This part maintains the same 2000-hour lifetime rating at 85°C and is ROHS3 compliant. The EPCOS - TDK part demonstrates higher ripple current capability at 120 Hz (5.72 A versus 5.07 A), providing additional performance margin in ripple-current-sensitive applications. This part is currently available with the highest inventory level (1201 units).

Both substitute parts are suitable for direct board-level replacement without design modifications, provided the mechanical footprint and electrical performance parameters align with application requirements.

Frequently Asked Questions (FAQ)

Q: Can the LLS1V153MELB be used as a direct replacement for the 159LBA035M2DF?

A: Yes. The LLS1V153MELB meets all electrical and mechanical substitution criteria. Both parts share identical capacitance (15000 µF), voltage rating (35 V), tolerance (±20%), package type (Radial, Can - Snap-In), lead spacing (10.00mm), diameter (30.00mm), and height (42.00mm). The Nichicon part offers extended lifetime (3000 hours at 85°C versus 2000 hours), making it suitable for direct replacement.

Q: What is the difference between the two substitute parts?

A: The primary difference is manufacturer and lifetime rating. The Nichicon LLS1V153MELB provides 3000 hours at 85°C, while the EPCOS B41231A7159M000 provides 2000 hours at 85°C, matching the original part. The EPCOS part offers higher ripple current capability at 120 Hz (5.72 A versus 5.07 A). Both parts are mechanically and electrically identical to the 159LBA035M2DF.

Q: Are these parts physically interchangeable on the PCB?

A: Yes. All three parts share identical mechanical specifications: 0.394" (10.00mm) lead spacing, 1.181" (30.00mm) diameter, and 1.654" (42.00mm) seated height. All are through-hole mounted radial, can-style snap-in capacitors. No PCB layout modifications are required for substitution.

Q: Do all parts meet RoHS compliance requirements?

A: Yes. The 159LBA035M2DF, LLS1V153MELB, and B41231A7159M000 are all ROHS3 compliant. All parts are REACH unaffected and classified under ECCN EAR99.

Q: Which substitute part should be selected for maximum reliability?

A: The LLS1V153MELB (Nichicon) provides the highest reliability rating with 3000 hours at 85°C, compared to 2000 hours for both the original part and the EPCOS alternative. Selection should be based on application lifetime requirements and thermal operating conditions.

Q: Are there any electrical performance differences between the parts?

A: The 159LBA035M2DF specifies ESR of 44.21 mOhm at 120 Hz. The Nichicon and EPCOS substitutes do not specify ESR values. Ripple current ratings differ slightly: the original part is rated 5.07 A at 120 Hz, the Nichicon part 4.8 A at 120 Hz, and the EPCOS part 5.72 A at 120 Hz. These differences are within normal manufacturing tolerances for this capacitor category.