Equivalent & Substitute Parts for 126MABA02KJS

Part Overview

The 126MABA02KJS is a 12 µF film capacitor rated at 600V DC, manufactured by Cornell Dubilier / Illinois Capacitor. This polypropylene metallized radial capacitor is designed for motor run applications with an operating temperature range of -40°C to 100°C. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain identical electrical and mechanical specifications for direct replacement in existing designs.

Key Parameters

Parameter	Specification
Capacitance	12 µF
Tolerance	±10%
Voltage Rating - DC	600V
Voltage Rating - AC	320V
Dielectric Material	Polypropylene (PP), Metallized
Operating Temperature Range	-40°C to 100°C
Mounting Type	Through Hole
Package / Case	Radial
Lead Spacing	1.476" (37.50mm)
Physical Dimensions	1.673" L x 1.181" W (42.50mm x 30.00mm)
Height - Seated (Max)	1.772" (45.00mm)
Termination	PC Pins
Application	Motor Run
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 126MABA02KJS are identified based on strict parametric equivalence. The substitution logic is based on the following critical parameters that must match or exceed the original specification:

Mandatory Matching Parameters:

Capacitance: 12 µF (exact match required)
Tolerance: ±10% (exact match required)
Voltage Rating - DC: 600V (minimum requirement)
Voltage Rating - AC: 320V (minimum requirement)
Dielectric Material: Polypropylene (PP), Metallized
Mounting Type: Through Hole Radial
Lead Spacing: 1.476" (37.50mm)
Physical Dimensions: 1.673" L x 1.181" W (42.50mm x 30.00mm)
Operating Temperature Range: -40°C to 100°C (minimum)
Termination: PC Pins

Substitute parts identified in this reference maintain all mandatory parameters. Parts are grouped as parametric equivalents when all electrical and mechanical specifications are identical to the original part.

Parameter Comparison

Parameter	126MABA02KJS (Cornell Dubilier)	MABA025120KJL (Nichicon)	MABA025120KJS (Nichicon)
Manufacturer	Cornell Dubilier / Illinois Capacitor	Nichicon	Nichicon
Capacitance	12 µF	12 µF	12 µF
Tolerance	±10%	±10%	±10%
Voltage Rating - DC	600V	600V	600V
Voltage Rating - AC	320V	320V	320V
Dielectric Material	Polypropylene (PP), Metallized	Polypropylene (PP), Metallized	Polypropylene (PP), Metallized
Operating Temperature Range	-40°C to 100°C	-40°C to 100°C	-40°C to 100°C
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	Radial	Radial	Radial
Lead Spacing	1.476" (37.50mm)	1.476" (37.50mm)	1.476" (37.50mm)
Physical Dimensions	1.673" L x 1.181" W (42.50mm x 30.00mm)	1.673" L x 1.181" W (42.50mm x 30.00mm)	1.673" L x 1.181" W (42.50mm x 30.00mm)
Height - Seated (Max)	1.772" (45.00mm)	1.772" (45.00mm)	1.772" (45.00mm)
Termination	PC Pins	PC Pins	PC Pins
Application	Motor Run	Motor Run	Motor Run
Product Status	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Parametric Equivalent Selection:

The Nichicon MABA025120KJL and MABA025120KJS are direct parametric equivalents to the obsolete 126MABA02KJS. Both Nichicon alternatives maintain identical electrical specifications (12 µF, ±10%, 600V DC, 320V AC) and mechanical dimensions (1.673" L x 1.181" W, 1.476" lead spacing, 45.00mm seated height). Both parts are classified as active products, ensuring long-term availability and supply chain continuity.

Compliance Status:

All three parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component procurement. The Nichicon alternatives carry ECCN EAR99 classification, consistent with the original part.

Product Availability:

The Nichicon MABA025120KJL maintains 1062 pieces in stock inventory, while the MABA025120KJS maintains 1018 pieces in stock inventory. Both alternatives provide immediate availability for replacement applications.

Frequently Asked Questions (FAQ)

Q: Can MABA025120KJL and MABA025120KJS be used interchangeably with 126MABA02KJS?

A: Yes. Both Nichicon parts are parametric equivalents with identical capacitance (12 µF), tolerance (±10%), voltage ratings (600V DC / 320V AC), dielectric material (polypropylene metallized), operating temperature range (-40°C to 100°C), and physical dimensions. Lead spacing and mounting type are identical, enabling direct board-level substitution.

Q: What is the difference between MABA025120KJL and MABA025120KJS?

A: Both parts are manufactured by Nichicon and share identical electrical and mechanical specifications. The difference lies in packaging designation. Both are suitable for motor run applications and maintain the same parametric performance.

Q: Why is the original 126MABA02KJS classified as obsolete?

A: The 126MABA02KJS is an older Cornell Dubilier / Illinois Capacitor product. Nichicon equivalents MABA025120KJL and MABA025120KJS are active products with confirmed long-term availability, making them preferred for new designs and replacement applications.

Q: Are there any thermal or electrical performance differences between the original and substitute parts?

A: No. All three parts operate across the identical temperature range (-40°C to 100°C) and maintain the same voltage ratings and capacitance specifications. Performance in motor run applications is equivalent.

Q: What certifications apply to the substitute parts?

A: Both Nichicon alternatives are ROHS3 compliant and REACH unaffected. They carry EAR99 ECCN classification and are suitable for applications requiring regulatory compliance with current environmental and export control standards.

Q: Can the substitute parts be used in existing PCB designs without modification?

A: Yes. The identical lead spacing (1.476" / 37.50mm), physical dimensions (1.673" L x 1.181" W), and radial through-hole mounting type ensure compatibility with existing PCB layouts designed for the 126MABA02KJS.

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