Littelfuse 0257030.PXPV 30A 32VDC Automotive Blade Fuse Equivalent & Substitute Parts

Part Overview

The Littelfuse 0257030.PXPV is a 30A 32VDC automotive blade fuse (ATO/ATC package) designed for automotive electrical circuit protection. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system maintenance and new designs. The fuse operates as a fast-blow device with a breaking capacity of 1kA at rated voltage and is RoHS3 compliant.

Substiute Parts

0257030.PXPV

Littelfuse Inc.In Stock: 8330257030.PXPV Datasheet

Current PartRFQ

0287030.PXCN

Littelfuse Inc.In Stock: 601350287030.PXCN Datasheet

DirectRFQ

0ATO030.HXGLO

Littelfuse Inc.In Stock: 8270ATO030.HXGLO Datasheet

Parametric EquivalentRFQ

0ATO030.MXGLO

Littelfuse Inc.In Stock: 18520ATO030.MXGLO Datasheet

Parametric EquivalentRFQ

0ATO030.V

Littelfuse Inc.In Stock: 199560ATO030.V Datasheet

Parametric EquivalentRFQ

0ATO030.VP

Littelfuse Inc.In Stock: 6540ATO030.VP Datasheet

Parametric EquivalentRFQ

0ATO030.VPGLO

Littelfuse Inc.In Stock: 11440ATO030.VPGLO Datasheet

Parametric EquivalentRFQ

BK/ATC-30

Eaton - Bussmann Electrical DivisionIn Stock: 1508BK/ATC-30 Datasheet

DirectRFQ

APR-UL-30A

OptiFuseIn Stock: 4762APR-UL-30A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters:

• Current Rating: 30 A (exact match required)
• Voltage Rating: 32 V DC minimum (32 V AC/DC acceptable)
• Package Type: Blade, ATO/ATC (physical and electrical compatibility)
• Response Time: Fast Blow (circuit protection characteristic)
• Mounting Type: Requires Holder (mechanical compatibility)
• Physical Dimensions: Within tolerance of 0.750" L x 0.200" W x 0.480" H
• DC Cold Resistance: 0.00197 Ohms (electrical performance)

Substitute parts are grouped into two categories:

Direct Manufacturer Equivalents (Littelfuse): Parts with identical electrical and mechanical specifications, differing only in packaging or series designation.

Cross-Manufacturer Equivalents: Parts from alternative manufacturers (Eaton - Bussmann, OptiFuse) meeting all electrical and mechanical parameters.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts meet the core electrical and mechanical requirements for direct replacement of the 0257030.PXPV. Selection should prioritize active product status and regulatory compliance:

Littelfuse Equivalents (0287030.PXCN, 0ATO030 series): These parts maintain manufacturer continuity and are actively produced. The 0ATO030 series variants (HXGLO, MXGLO, V, VP, VPGLO) are functionally equivalent with fast-blow response characteristics. Packaging differences (bulk vs. card) do not affect electrical performance. CSA and SAE certifications provide expanded regulatory coverage compared to the obsolete original part.

Cross-Manufacturer Options: The Eaton BK/ATC-30 and OptiFuse APR-UL-30A provide active alternatives with equivalent electrical specifications and 1kA breaking capacity. Both carry UL certification. The OptiFuse part includes ISO and SAE approvals, offering broader compliance documentation.

For applications requiring specific regulatory certifications, verify that the selected substitute meets all required approvals for the target market and application.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts interchangeably with the 0257030.PXPV?

A: Yes. All listed parts meet the electrical and mechanical parameters required for direct substitution: 30A current rating, 32V DC voltage rating, fast-blow response, ATO/ATC blade package, and 0.00197 Ohms DC cold resistance. Physical dimensions are within tolerance across all parts.

Q: What is the difference between Littelfuse 0ATO030 variants (HXGLO, MXGLO, V, VP, VPGLO)?

A: These parts are electrically and mechanically identical. Differences are in packaging format: bulk packaging versus card packaging (VP variants). The suffix designations (HXGLO, MXGLO, VPGLO) indicate packaging and distribution channel variations. Selection should be based on procurement and inventory requirements, not electrical performance.

Q: Why is the original part (0257030.PXPV) marked as obsolete?

A: Obsolescence indicates the manufacturer has discontinued production. Active equivalents from Littelfuse (0287030.PXCN, 0ATO030 series) provide identical functionality with ongoing availability and current regulatory compliance documentation.

Q: Are there voltage or current rating differences I should be aware of?

A: No. All substitute parts are rated for 30A at 32V DC. Some Littelfuse 0ATO030 variants specify 32V AC/DC capability, which exceeds the DC-only requirement of the original part and provides additional flexibility without compromising compatibility.

Q: What certifications should I verify for my application?

A: The original part lists no approval agencies. Active substitutes carry UL, CSA, and SAE certifications. Verify that the selected substitute's certifications align with your application's regulatory requirements (automotive, industrial, marine, etc.).

Q: Does packaging (bulk vs. card) affect electrical performance?

A: No. Packaging format affects only procurement quantity and handling. The 0ATO030.VP (5-pack card) and bulk variants are electrically identical. Select based on your inventory and assembly requirements.

Q: Can I substitute the Eaton or OptiFuse parts for Littelfuse?

A: Yes. The Eaton BK/ATC-30 and OptiFuse APR-UL-30A meet all electrical and mechanical specifications. Cross-manufacturer substitution is valid when regulatory certifications align with application requirements.