Littelfuse 0287002.U Automotive Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 0287002.U is a 2A, 32VDC automotive blade fuse in the ATOF® series, designed for use in automotive electrical systems requiring holder-mounted protection. This fuse is an active product with full RoHS3 compliance and REACH unaffected status. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product category, enabling direct replacement in applications where the original part number becomes unavailable or inventory constraints require alternative sourcing.

Substiute Parts

0287002.U

Littelfuse Inc.In Stock: 14380287002.U Datasheet

Current PartRFQ

0287002.H

Littelfuse Inc.In Stock: 8280287002.H Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Littelfuse 0287002.U is determined by strict equivalence across the following critical parameters:

• Current Rating: Must be 2 A
• Voltage Rating (DC): Must be 32 V
• Fuse Type: Must be Automotive
• Package / Case: Must be Blade, ATO/ATC
• Mounting Type: Must be Requires Holder
• Breaking Capacity @ Rated Voltage: Must be 1kA
• Melting I²t: Must be 1.4
• Operating Temperature Range: Must be -40°C ~ 105°C
• Size / Dimension: Must be 0.752" L x 0.201" W x 0.484" H (19.10mm x 5.10mm x 12.30mm)
• RoHS Status: Must be ROHS3 Compliant

The substitute part 0287002.H meets all these criteria and is therefore a direct parametric equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both the Littelfuse 0287002.U and 0287002.H are active products with full ROHS3 compliance and REACH unaffected status. The 0287002.H substitute part carries UL approval agency certification, whereas the main part does not specify an approval agency. The 0287002.H is designated as Fast Blow response time, providing additional specification clarity. Both parts maintain identical electrical and mechanical parameters required for direct substitution in automotive blade fuse applications. Selection between these parts should be based on availability, inventory status, and any application-specific requirements for approval agency certification or response time characteristics.

Frequently Asked Questions (FAQ)

Q: Can the 0287002.H be used as a direct replacement for the 0287002.U?

A: Yes. Both parts are parametrically equivalent across all critical electrical and mechanical specifications, including current rating (2A), voltage rating (32VDC), package type (Blade, ATO/ATC), breaking capacity (1kA), and operating temperature range (-40°C ~ 105°C). Both are ROHS3 compliant and maintain identical physical dimensions.

Q: What is the difference between the 0287002.U and 0287002.H?

A: The primary differences are: the 0287002.H specifies Fast Blow response time and carries UL approval agency certification, while the 0287002.U does not specify these attributes. Additionally, the DC cold resistance values differ (54.6 Ohms vs. 0.0535 Ohms), though both parts meet the same functional requirements for automotive fuse applications.

Q: Are both parts compatible with the same fuse holder?

A: Yes. Both parts use the Blade, ATO/ATC package type and require a holder for mounting. They share identical physical dimensions (0.752" L x 0.201" W x 0.484" H), ensuring compatibility with standard ATO/ATC fuse holders.

Q: Which part should I select if both are available?

A: Selection depends on application requirements and inventory availability. The 0287002.H offers UL certification and specified Fast Blow response time, making it suitable for applications requiring formal approval documentation. The 0287002.U is available in higher inventory quantity (1396 Pcs vs. 755 Pcs). Both are active products and suitable for new designs.

Q: Are these parts RoHS compliant?

A: Yes. Both the 0287002.U and 0287002.H are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for automotive applications.