Equivalent & Substitute Parts for 109LBA035M2CF

Part Overview

The 109LBA035M2CF is a 10000 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 in a compact through-hole package. The part is Active status and ROHS3 compliant, making it suitable for modern electronic equipment. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to inventory constraints, supply chain considerations, or design flexibility within the allowed parameter ranges.

Substiute Parts

109LBA035M2CF

Cornell Dubilier / Illinois CapacitorIn Stock: 763109LBA035M2CF Datasheet

Current PartRFQ

B41231B7109M000

EPCOS - TDK ElectronicsIn Stock: 3594B41231B7109M000 Datasheet

DirectRFQ

LLS1V103MELA

NichiconIn Stock: 1025LLS1V103MELA Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 109LBA035M2CF are qualified based on the following criteria:

Electrical Parameters (Must Match):

• Capacitance: 10000 µF (exact match required)
• Voltage Rating: 35 V (exact match required)
• Tolerance: ±20% (exact match required)
• Operating Temperature Range: -40°C ~ 85°C (exact match required)
• Polarization: Polar (exact match required)

Mechanical Parameters (Must Match):

• Package Type: Radial, Can - Snap-In (exact match required)
• Lead Spacing: 0.394" (10.00mm) (exact match required)
• Mounting Type: Through Hole (exact match required)
• Height - Seated (Max): 1.654" (42.00mm) (exact match required)
• Size / Dimension: 0.984" Dia (25.00mm) or 1.000" Dia (25.40mm) (within tolerance for snap-in compatibility)

Regulatory & Compliance Parameters:

• RoHS Status: ROHS3 Compliant (required for equivalent substitution)
• REACH Status: REACH Unaffected (required for equivalent substitution)

All identified substitute parts meet these criteria and are classified as direct equivalents or upgrades based on performance characteristics such as lifetime rating and ripple current capacity.

Parameter Comparison

Engineering Selection Recommendations

B41231B7109M000 (EPCOS - TDK Electronics): This part is a direct equivalent to the 109LBA035M2CF. All critical electrical and mechanical parameters match exactly. The B41231B7109M000 offers higher ripple current capacity at 120 Hz (4.68 A versus 3.65 A), providing enhanced performance margin in applications with significant AC ripple. Both parts share identical lifetime ratings of 2000 hours at 85°C and are ROHS3 compliant. The diameter specification (1.000" versus 0.984") represents a minor dimensional variation within acceptable snap-in tolerances and does not affect PCB compatibility. This substitute is suitable for direct replacement in all applications where the 109LBA035M2CF is specified.

LLS1V103MELA (Nichicon): This part is classified as an upgrade substitute. It maintains all critical electrical and mechanical equivalence with the 109LBA035M2CF while offering extended lifetime performance of 3000 hours at 85°C (compared to 2000 hours for the main part). The LLS1V103MELA is ROHS3 compliant and REACH unaffected, meeting all regulatory requirements. The ripple current at 120 Hz matches the main part at 3.65 A. The dimensional specifications are identical to the main part (0.984" diameter, 1.654" height). This substitute is recommended for applications requiring extended operational life or higher reliability margins at elevated temperatures.

Both substitute parts are Active status products with established supply availability and are suitable for direct component selection without additional verification testing.

Frequently Asked Questions (FAQ)

Q: Can B41231B7109M000 be used as a direct replacement for 109LBA035M2CF?

A: Yes. The B41231B7109M000 meets all critical electrical and mechanical specifications required for direct substitution. Capacitance (10000 µF), voltage rating (35 V), tolerance (±20%), operating temperature range (-40°C ~ 85°C), package type (Radial, Can - Snap-In), lead spacing (0.394" / 10.00mm), and mounting type (Through Hole) are identical. The minor diameter variation (1.000" versus 0.984") is within acceptable snap-in mechanical tolerances and does not affect PCB footprint compatibility.

Q: What is the difference between the direct substitute and the upgrade substitute?

A: The B41231B7109M000 is a direct equivalent with matching 2000-hour lifetime at 85°C. The LLS1V103MELA is an upgrade substitute offering extended 3000-hour lifetime at 85°C while maintaining all other electrical and mechanical specifications. Selection between these parts depends on application requirements for operational life and thermal stress conditions.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. Both B41231B7109M000 and LLS1V103MELA are ROHS3 compliant and REACH unaffected, matching the regulatory status of the 109LBA035M2CF. All three parts are suitable for applications requiring compliance with current environmental and hazardous substance regulations.

Q: Do the substitute parts have the same PCB footprint as the 109LBA035M2CF?

A: Yes. All substitute parts share identical lead spacing (0.394" / 10.00mm) and mounting type (Through Hole). The height specifications are identical at 1.654" (42.00mm) maximum seated height. The diameter variations (0.984" for LLS1V103MELA and 109LBA035M2CF; 1.000" for B41231B7109M000) are within snap-in mechanical tolerances and do not affect PCB assembly compatibility.

Q: Which substitute part should be selected for high-ripple-current applications?

A: The B41231B7109M000 offers the highest ripple current capacity at 120 Hz (4.68 A) compared to the main part (3.65 A) and the upgrade substitute (3.65 A). For applications with significant AC ripple current at low frequencies, the B41231B7109M000 provides enhanced performance margin.

Q: Are substitute parts available in equivalent inventory quantities?

A: The B41231B7109M000 has higher inventory availability (3548 pieces) compared to the main part (674 pieces), providing supply chain flexibility. The LLS1V103MELA has moderate availability (947 pieces). Inventory levels should be verified at the time of procurement.