Littelfuse 0895040.U Automotive Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 0895040.U is a 40 A automotive fuse rated for 58 V DC operation, designed for automotive electrical systems requiring holder-mounted protection. This JCASE® series fuse is an active product with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when identical electrical and mechanical parameters are maintained across the same product series, ensuring direct interchangeability in automotive applications.

Substiute Parts

0895040.U

Littelfuse Inc.In Stock: 11060895040.U Datasheet

Current PartRFQ

0895040.Z

Littelfuse Inc.In Stock: 18580895040.Z Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Littelfuse 0895040.U is determined by strict equivalence across the following critical parameters:

• Current Rating: 40 A
• Voltage Rating - DC: 58 V
• Fuse Type: Automotive
• Package / Case: Auto Link
• Series: JCASE®
• Breaking Capacity @ Rated Voltage: 1 kA
• Melting I²t: 5470
• Physical Dimensions: 0.571" L x 0.472" W x 0.630" H
• DC Cold Resistance: 0.00189 Ohms
• Operating Temperature Range: -40°C ~ 125°C

The substitute part 0895040.Z maintains identical electrical and mechanical specifications, confirming direct interchangeability within automotive electrical protection circuits.

Parameter Comparison

Engineering Selection Recommendations

Both the Littelfuse 0895040.U and 0895040.Z are active products with full RoHS3 compliance and REACH unaffected status. The 0895040.Z carries UL approval certification, providing an additional compliance advantage for applications requiring third-party validation. Both parts are suitable for direct substitution in automotive electrical protection circuits operating within the specified voltage and current parameters. Selection between these parts may be based on inventory availability or specific certification requirements of the end application.

Frequently Asked Questions (FAQ)

Q: Can the 0895040.Z replace the 0895040.U in existing automotive circuits?

A: Yes. Both parts are electrically and mechanically identical across all critical parameters, including current rating, voltage rating, breaking capacity, and physical dimensions. Direct substitution is supported.

Q: What is the significance of the Auto Link package type?

A: The Auto Link package designates a holder-mounted fuse format standard in automotive electrical systems. Both substitute parts use this identical package configuration, ensuring mechanical compatibility with existing fuse holders.

Q: Are there any compliance differences between these parts?

A: Both parts are ROHS3 compliant and REACH unaffected. The 0895040.Z includes UL approval certification, while the 0895040.U does not list this approval. For applications requiring UL certification, the 0895040.Z is the specified choice.

Q: What does the melting I²t value of 5470 indicate?

A: The melting I²t value specifies the thermal energy required to melt the fuse element. This identical value across both parts confirms matching thermal response characteristics and protection performance.

Q: Are these parts suitable for DC automotive applications?

A: Yes. Both parts are rated for 58 V DC operation and are designed for automotive electrical systems. The DC cold resistance of 0.00189 Ohms is maintained across both parts.