Littelfuse 0283140.MXJ-B Automotive Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 0283140.MXJ-B is a 140 A automotive fuse rated for 32 V DC operation with slow-blow response characteristics. This component is designed for bolt-mount installation in automotive electrical systems requiring high-current protection. The part is classified as obsolete, making identification of active equivalent alternatives essential for ongoing system maintenance and new design implementations.

Substiute Parts

0283140.MXJ-B

Littelfuse Inc.In Stock: 8140283140.MXJ-B Datasheet

Current PartRFQ

0295140.MXJ

Littelfuse Inc.In Stock: 11340295140.MXJ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The Littelfuse 0295140.MXJ qualifies as a parametric equivalent to the 0283140.MXJ-B based on the following critical substitution criteria:

Matching Electrical Parameters:

• Current Rating: 140 A (identical)
• Voltage Rating (DC): 32 V (identical)
• Response Time: Slow Blow (identical)
• Fuse Type: Automotive (identical)

Matching Mechanical Parameters:

• Mounting Type: Bolt Mount (identical)
• Package / Case: Auto Link (identical)
• Physical Dimensions: 0.898" L x 0.638" W x 0.866" H (identical)
• Color: Reddish Brown (identical)

Compliance Alignment:

• RoHS3 Compliant (both parts)
• Moisture Sensitivity Level: 1 (Unlimited) (both parts)
• ECCN: EAR99 (both parts)
• HTSUS: 8536.10.0040 (both parts)

The primary distinction between these parts is product status: the 0283140.MXJ-B is obsolete, while the 0295140.MXJ is active. Both parts belong to the Littelfuse PAL™ fuse series and maintain identical form, fit, and function characteristics.

Parameter Comparison

Engineering Selection Recommendations

The Littelfuse 0295140.MXJ is the direct substitute for the obsolete 0283140.MXJ-B. Selection of the 0295140.MXJ is supported by:

Product Status: The substitute part maintains active product status, ensuring ongoing availability and manufacturer support. The obsolete status of the original part necessitates transition to an active equivalent.

Compliance Certification: Both parts maintain identical ROHS3 compliance and regulatory classification (EAR99, HTSUS 8536.10.0040), confirming suitability for regulated applications.

Electrical and Mechanical Equivalence: All critical parameters—current rating, voltage rating, response time, mounting configuration, and physical dimensions—are identical between the main part and substitute, ensuring direct interchangeability without circuit modification or mechanical redesign.

Series Continuity: Both parts belong to the Littelfuse PAL™ fuse family, representing manufacturer-validated evolution within the same product line.

Frequently Asked Questions (FAQ)

Q: Can the 0295140.MXJ be used as a direct replacement for the 0283140.MXJ-B?

A: Yes. The 0295140.MXJ is a direct parametric equivalent. All electrical ratings (140 A, 32 V DC, slow-blow response), mechanical specifications (bolt mount, Auto Link package), and physical dimensions are identical. No circuit modifications or mechanical changes are required.

Q: What is the primary reason for substitution?

A: The 0283140.MXJ-B is classified as obsolete. The 0295140.MXJ is the active equivalent from Littelfuse, ensuring continued availability and manufacturer support.

Q: Are there any differences in compliance or certification between these parts?

A: No. Both parts are ROHS3 compliant and share identical regulatory classifications (EAR99, HTSUS 8536.10.0040). Moisture sensitivity level is identical (MSL 1 - Unlimited).

Q: Do these parts have the same physical footprint?

A: Yes. Both parts measure 0.898" L x 0.638" W x 0.866" H (22.81mm x 16.20mm x 22.00mm) and use the Auto Link bolt-mount package. Direct mechanical interchangeability is confirmed.

Q: What is the difference between the PAL™ 283 and PAL™ 295 series designations?

A: The series designation reflects manufacturer product line evolution. Both series maintain identical electrical and mechanical specifications for this 140 A, 32 V DC fuse rating. The PAL™ 295 represents the current active product line.

Q: Are packaging options different between these parts?

A: The main part (0283140.MXJ-B) is listed with standard packaging, while the substitute (0295140.MXJ) is available in bulk packaging. Both use the Auto Link case format. Packaging selection does not affect electrical or mechanical performance.