Equivalent & Substitute Parts for 107LBA350M2CC

Part Overview

The 107LBA350M2CC is a 100 µF, 350 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 with a rated lifetime of 2000 hours at 85°C. The part is currently active and ROHS3 compliant.

Substitute parts are necessary when the original 107LBA350M2CC is unavailable, when higher voltage ratings or extended lifetime specifications are required, or when improved electrical characteristics such as lower ESR are needed for specific circuit requirements.

Key Parameters

Parameter	Value	Unit	Substitution Relevance
Capacitance	100	µF	Must match exactly
Voltage - Rated	350	V	Substitutes must equal or exceed
Tolerance	±20%	%	Must match or be tighter
ESR @ 120Hz	2.4868	Ohm	Lower values acceptable
Lifetime @ 85°C	2000	Hrs	Equal or greater acceptable
Operating Temperature Range	-25 to 85	°C	Must encompass or exceed
Lead Spacing	10.00	mm	Must match for PCB compatibility
Package / Case	Radial, Can - Snap-In	-	Must match exactly
Mounting Type	Through Hole	-	Must match exactly
Size / Dimension	0.984" Dia (25.00mm)	-	Must match for mechanical fit
Height - Seated (Max)	1.063" (27.00mm)	-	Must match for clearance

Substitute Part Grouping Explanation

Substitution logic for the 107LBA350M2CC is based on the following criteria:

Mandatory Matching Parameters:

Capacitance: 100 µF (exact match required)
Tolerance: ±20% or tighter
Package / Case: Radial, Can - Snap-In (exact match required)
Mounting Type: Through Hole (exact match required)
Lead Spacing: 10.00 mm (exact match required)
Physical Dimensions: 0.984" Dia × 1.063" Height (exact match required)

Acceptable Upgrade Parameters:

Voltage Rating: 350 V minimum; 400 V, 450 V acceptable as upgrades
Lifetime: 2000 Hrs @ 85°C minimum; higher values acceptable
Operating Temperature: -25°C to 85°C minimum; extended ranges acceptable
ESR: 2.4868 Ohm @ 120Hz baseline; lower values acceptable

Compliance Requirements:

RoHS3 Compliant (all substitutes must maintain compliance)
REACH Unaffected status maintained

All substitute parts listed maintain identical mechanical compatibility and electrical performance at or above the original specification level.

Parameter Comparison

Part Number	Manufacturer	Capacitance (µF)	Voltage (V)	ESR @ Test Freq (Ohm)	Lifetime @ Temp	Operating Temp (°C)	Product Status
107LBA350M2CC	Cornell Dubilier / Illinois Capacitor	100	350	2.4868 @ 120Hz	2000 Hrs @ 85°C	-25 to 85	Active
107LBB400M2CC	Cornell Dubilier / Illinois Capacitor	100	400	2.4868 @ 120Hz	3000 Hrs @ 85°C	-40 to 85	Active
380LX101M400J012	Cornell Dubilier Electronics (CDE)	100	400	1.65 @ 120Hz	3000 Hrs @ 85°C	-25 to 85	Active
381LX101M400J012	Cornell Dubilier Electronics (CDE)	100	400	Not specified	3000 Hrs @ 105°C	-25 to 105	Active
B43504B9107M000	EPCOS - TDK Electronics	100	400	0.880 @ 100Hz	3000 Hrs @ 105°C	-40 to 105	Not For New Designs
B43509B9107M000	EPCOS - TDK Electronics	100	400	0.800 @ 100Hz	3000 Hrs @ 105°C	-40 to 105	Active
B43624B9107M000	EPCOS - TDK Electronics	100	400	0.780 @ 100Hz	8000 Hrs @ 85°C	-40 to 85	Active
B43644B5107M000	EPCOS - TDK Electronics	100	450	0.980 @ 100Hz	5000 Hrs @ 105°C	-40 to 105	Active
ELH107M400AR1AA	KEMET	100	400	0.582 @ 20kHz	2000 Hrs @ 85°C	-25 to 85	Active
LGN2W101MELA25	Nichicon	100	450	Not specified	3000 Hrs @ 105°C	-25 to 105	Active
LKX2W101MESA25	Nichicon	100	450	Not specified	2000 Hrs @ 105°C	-25 to 105	Active

Engineering Selection Recommendations

For Direct Replacement (Same Voltage Rating): The 107LBA350M2CC operates at 350 V. No substitute parts maintain this exact voltage rating. Any substitution requires a voltage upgrade to 400 V or 450 V, which is electrically compatible in circuits designed for 350 V operation.

For Active Product Status Priority: Select from parts with Active product status: 107LBB400M2CC, 380LX101M400J012, 381LX101M400J012, B43509B9107M000, B43624B9107M000, B43644B5107M000, ELH107M400AR1AA, LGN2W101MELA25, or LKX2W101MESA25.

Avoid B43504B9107M000, which carries "Not For New Designs" status.

For Extended Temperature Range: Parts supporting -40°C to 105°C operation: B43504B9107M000, B43509B9107M000, B43624B9107M000, B43644B5107M000.

For Improved ESR Performance: Lower ESR values reduce ripple current heating and improve circuit efficiency. Parts with ESR below 1.0 Ohm @ 100Hz: B43509B9107M000 (0.800 Ohm), B43624B9107M000 (0.780 Ohm), ELH107M400AR1AA (0.582 Ohm @ 20kHz).

For Extended Lifetime: B43624B9107M000 provides 8000 Hrs @ 85°C, the longest lifetime at standard temperature. B43644B5107M000 provides 5000 Hrs @ 105°C for high-temperature applications.

For Compliance Assurance: All listed substitutes maintain ROHS3 compliance and REACH Unaffected status, matching the original part's regulatory standing.

Frequently Asked Questions (FAQ)

Q: Can I use a 400 V or 450 V capacitor in place of the 350 V 107LBA350M2CC?

A: Yes. Higher voltage-rated capacitors are electrically compatible in circuits designed for lower voltages. The capacitor will operate safely at or below its rated voltage. This is a standard engineering practice for component substitution.

Q: What does "Not For New Designs" mean for part B43504B9107M000?

A: This designation indicates the manufacturer no longer recommends this part for new circuit designs, though existing inventory may be available. For new applications, select from parts with Active status.

Q: Are all substitute parts mechanically identical to the 107LBA350M2CC?

A: Yes. All listed substitutes share identical physical dimensions (0.984" diameter, 1.063" height), lead spacing (10.00 mm), and snap-in package configuration. They are direct mechanical replacements.

Q: How does ESR affect circuit performance?

A: ESR (Equivalent Series Resistance) determines the capacitor's impedance and ripple current handling. Lower ESR values reduce heat generation and voltage ripple. Parts with ESR below 1.0 Ohm provide improved performance in high-ripple-current applications.

Q: Which substitute offers the best overall performance upgrade?

A: ELH107M400AR1AA (KEMET) combines the lowest ESR (0.582 Ohm @ 20kHz), 400 V rating, and Active product status. B43624B9107M000 (EPCOS) offers the longest lifetime at standard temperature (8000 Hrs @ 85°C) with low ESR (0.780 Ohm).

Q: Do all substitutes maintain RoHS3 compliance?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, maintaining the same regulatory compliance as the original 107LBA350M2CC.

Q: What is the difference between 400 V and 450 V rated substitutes?

A: 450 V rated parts provide additional voltage margin and are suitable for circuits with higher transient voltage spikes. Both 400 V and 450 V substitutes are compatible with the original 350 V application.

Q: Can I mix different substitute parts in the same circuit?

A: Yes, provided all parts meet the circuit's electrical requirements (capacitance, voltage, tolerance, ripple current). Mechanical compatibility is guaranteed for all listed substitutes.

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