128LMB200M2EE Aluminum Electrolytic Capacitor - Equivalent & Substitute Parts

Part Overview

The 128LMB200M2EE is a 1200 µF, 200 V aluminum electrolytic capacitor manufactured by Cornell Dubilier / Illinois Capacitor in the LMB series. This radial, can-style snap-in capacitor is designed for general-purpose applications requiring high capacitance and voltage ratings in through-hole mounting configurations. The part maintains Active product status with 1164 units currently in stock.

Substitute parts are identified when equivalent electrical and mechanical parameters are available from alternative manufacturers, enabling procurement flexibility and supply chain continuity while maintaining circuit performance specifications.

Substiute Parts

128LMB200M2EE

Cornell Dubilier / Illinois CapacitorIn Stock: 1184128LMB200M2EE Datasheet

Current PartRFQ

LGX2D122MELC35

NichiconIn Stock: 274121LGX2D122MELC35 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 128LMB200M2EE is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Capacitance: 1200 µF (exact match)
• Voltage Rating: 200 V (exact match)
• Tolerance: ±20% (exact match)
• Polarization: Polar (exact match)
• Operating Temperature Range: -25°C to 105°C (exact match)

Mechanical Equivalence Requirements:

• Package / Case: Radial, Can - Snap-In (exact match)
• Mounting Type: Through Hole (exact match)
• Lead Spacing: 0.394" (10.00mm) (exact match)
• Size / Dimension: 1.378" Dia (35.00mm) (exact match)
• Height - Seated (Max): 1.457" (37.00mm) (exact match)

Compliance Requirements:

• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected

The substitute part LGX2D122MELC35 from Nichicon meets all electrical and mechanical equivalence criteria, enabling direct substitution in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both the 128LMB200M2EE and LGX2D122MELC35 are Active product status components with full ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for industrial and commercial applications.

The LGX2D122MELC35 substitute demonstrates extended operational lifetime (5000 Hrs @ 105°C versus 3000 Hrs @ 105°C), providing enhanced reliability margin in thermal stress conditions. Both parts maintain identical electrical specifications, mechanical form factors, and mounting compatibility.

Selection between these parts is determined by availability, lead time, and procurement cost considerations, as electrical and mechanical performance are equivalent within specified tolerances.

Frequently Asked Questions (FAQ)

Q: Can the LGX2D122MELC35 be used as a direct replacement for the 128LMB200M2EE?

A: Yes. Both capacitors share identical capacitance (1200 µF), voltage rating (200 V), tolerance (±20%), package type (Radial, Can - Snap-In), lead spacing (10.00mm), and physical dimensions (35.00mm diameter, 37.00mm height). Through-hole mounting compatibility is confirmed.

Q: Are there differences in electrical performance between these parts?

A: Ripple current specifications are comparable (2.85 A versus 2.88 A @ 120 Hz). ESR data for the substitute is not provided in available documentation. Lifetime at 105°C differs (3000 Hrs versus 5000 Hrs), with the substitute offering extended thermal endurance.

Q: Do both parts meet current compliance standards?

A: Both the 128LMB200M2EE and LGX2D122MELC35 are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component procurement.

Q: What is the lead spacing and mounting footprint compatibility?

A: Both parts feature 0.394" (10.00mm) lead spacing and identical snap-in can dimensions (1.378" diameter, 1.457" maximum seated height), ensuring PCB footprint compatibility without modification.

Q: Are there packaging differences between these parts?

A: The 128LMB200M2EE is supplied in standard packaging, while the LGX2D122MELC35 is supplied in bulk packaging. This distinction affects procurement quantity and logistics but does not impact component performance or compatibility.