Equivalent & Substitute Parts for 205MABA05KJS

Part Overview

The 205MABA05KJS is a 2 µF film capacitor manufactured by Cornell Dubilier / Illinois Capacitor, rated for 1200V DC operation with polypropylene metallized dielectric construction. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing applications requiring motor run capacitor functionality. The radial through-hole configuration with PC pin termination serves applications in motor run circuits operating at elevated voltage levels.

Substiute Parts

205MABA05KJS

Cornell Dubilier / Illinois CapacitorIn Stock: 944205MABA05KJS Datasheet

Current PartRFQ

MKP385520160JYI2T0

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 999MKP385520160JYI2T0 Datasheet

SimilarRFQ

MABA054200KJL

NichiconIn Stock: 756MABA054200KJL Datasheet

Parametric EquivalentRFQ

MABA054200KJS

NichiconIn Stock: 907MABA054200KJS Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 205MABA05KJS is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Capacitance value: 2 µF (exact match required)
• Voltage rating: Minimum 1200V DC to maintain circuit safety margins
• Dielectric type: Polypropylene (PP), Metallized (functional requirement for motor run applications)
• Tolerance: ±10% or better (±5% acceptable as improvement)
• Mounting configuration: Through-hole radial with PC pin termination
• Operating temperature range: Minimum -40°C ~ 100°C coverage

Substitution Categories:

Category 1 - Parametric Equivalents: Parts matching all electrical specifications and physical dimensions with identical lead spacing (37.50mm). These parts are direct mechanical and electrical replacements.

Category 2 - Enhanced Substitutes: Parts with identical electrical specifications but improved voltage ratings or tolerance specifications. Physical dimensions may vary within acceptable PCB layout tolerances.

Parameter Comparison

Engineering Selection Recommendations

Direct Replacement (Preferred):

MABA054200KJL and MABA054200KJS (Nichicon) are parametric equivalents to the 205MABA05KJS. Both parts maintain identical electrical specifications (2 µF, ±10% tolerance, 1200V DC, 500V AC) and physical dimensions (42.50mm x 28.00mm, 37.50mm lead spacing). Both manufacturers' parts are ROHS3 compliant and active in production status. These parts provide direct mechanical and electrical compatibility without PCB layout modifications.

Enhanced Substitute (Conditional):

MKP385520160JYI2T0 (Vishay Beyschlag/Draloric/BC Components) offers improved electrical specifications with higher voltage rating (1600V DC, 550V AC) and tighter tolerance (±5%). However, this part features larger physical dimensions (57.50mm x 30.00mm) and increased lead spacing (52.50mm), requiring PCB layout verification before implementation. This substitute is suitable for applications where PCB space permits and enhanced voltage margin is beneficial. The extended operating temperature range (-55°C ~ 110°C) provides additional thermal margin compared to the original specification.

Compliance Considerations:

All substitute parts maintain ROHS3 compliance and EAR99 export classification consistent with the original part. Lead-free termination and environmental compliance are preserved across all alternatives.

Frequently Asked Questions (FAQ)

Q: Can MABA054200KJL or MABA054200KJS be used as direct replacements for 205MABA05KJS?

A: Yes. Both Nichicon parts are parametric equivalents with identical capacitance (2 µF), tolerance (±10%), voltage ratings (1200V DC, 500V AC), dielectric material (polypropylene metallized), physical dimensions (42.50mm x 28.00mm), and lead spacing (37.50mm). No PCB modifications are required.

Q: What are the limitations of using MKP385520160JYI2T0 as a substitute?

A: The Vishay part has larger physical dimensions (57.50mm x 30.00mm) and increased lead spacing (52.50mm) compared to the original 37.50mm spacing. PCB layout verification is required to confirm component fit within available space. The increased height (45.00mm vs. 37.00mm) must also be evaluated for clearance constraints.

Q: Are all substitute parts RoHS compliant?

A: Yes. MABA054200KJL, MABA054200KJS, and MKP385520160JYI2T0 are all ROHS3 compliant, matching the environmental compliance of the original 205MABA05KJS.

Q: What is the difference between ±10% and ±5% tolerance specifications?

A: Tolerance defines the acceptable deviation from the nominal capacitance value. ±10% tolerance allows ±0.2 µF deviation from 2 µF (1.8 µF to 2.2 µF range). ±5% tolerance restricts deviation to ±0.1 µF (1.9 µF to 2.1 µF range). The ±5% specification in MKP385520160JYI2T0 provides tighter capacitance control, beneficial for precision circuit applications.

Q: Can the enhanced voltage rating of MKP385520160JYI2T0 improve circuit reliability?

A: The 1600V DC rating of MKP385520160JYI2T0 provides 400V additional voltage margin compared to the 1200V specification of the original part. This increased margin reduces stress on the dielectric material during operation. However, circuit design must accommodate the larger physical dimensions before implementation.

Q: What is the operating temperature range significance?

A: The original part operates from -40°C to 100°C. MKP385520160JYI2T0 extends this range to -55°C to 110°C, providing 15°C additional margin at both temperature extremes. This extended range is beneficial for applications in extreme environmental conditions but is not required for standard motor run applications within the original temperature specification.

Q: Are there inventory considerations for part selection?

A: Current inventory levels are: 205MABA05KJS (853 pcs), MABA054200KJL (709 pcs), MABA054200KJS (821 pcs), and MKP385520160JYI2T0 (950 pcs). All parts are available in production quantities. Selection should prioritize active-status parts (Nichicon and Vishay alternatives) over the obsolete original part.