Equivalent & Substitute Parts for Littelfuse 0287001.H Automotive Fuse

Part Overview

The Littelfuse 0287001.H is a 1 A, 32 V DC automotive blade fuse (ATO/ATC type) with fast-blow response characteristics. This component is designed for automotive electrical circuit protection and requires a compatible fuse holder for installation. The part is currently active in production with full UL approval and ROHS3 compliance. Substitute parts may be required due to inventory availability, supply chain considerations, or specific packaging requirements while maintaining identical electrical and mechanical performance.

Substiute Parts

0287001.H

Littelfuse Inc.In Stock: 10810287001.H Datasheet

Current PartRFQ

0287001.PXCN

Littelfuse Inc.In Stock: 768610287001.PXCN Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The Littelfuse 0287001.PXCN is a parametric equivalent to the 0287001.H. Substitution is valid based on the following criteria:

• Current Rating: Both parts are rated at 1 A
• Voltage Rating: Both parts are rated at 32 V DC
• Response Characteristic: Both parts feature fast-blow response
• Package Type: Both parts use Blade, ATO/ATC form factor
• Breaking Capacity: Both parts have 1 kA breaking capacity at rated voltage
• Melting I²t: Both parts have identical melting I²t value of 0.4
• Operating Temperature: Both parts operate across -40°C to 105°C
• DC Cold Resistance: Both parts have 0.123 Ohms DC cold resistance
• Compliance: Both parts are UL approved and ROHS3 compliant

The substitution is based on complete electrical and mechanical parameter alignment, ensuring direct interchangeability in automotive circuit protection applications.

Parameter Comparison

Engineering Selection Recommendations

Both the 0287001.H and 0287001.PXCN are active production parts from Littelfuse Inc. with identical electrical specifications and mechanical dimensions. Selection between these parts should be based on:

• Inventory Availability: The 0287001.PXCN has significantly higher stock availability (76,766 pcs vs. 987 pcs)
• Supply Chain Requirements: Both parts meet identical compliance standards (UL approval, ROHS3 compliance, REACH unaffected status)
• Packaging Considerations: Both parts are supplied in bulk packaging and are interchangeable in all automotive circuit protection applications requiring 1 A, 32 V DC fast-blow fuse protection

No performance or reliability differences exist between these parts based on the provided specifications.

Frequently Asked Questions (FAQ)

Q: Can the 0287001.PXCN be used as a direct replacement for the 0287001.H?

A: Yes. Both parts are identical in electrical rating (1 A, 32 V DC), response characteristic (fast-blow), package type (Blade, ATO/ATC), breaking capacity (1 kA), and operating temperature range (-40°C to 105°C). They are direct parametric equivalents.

Q: Are there any dimensional differences between these parts?

A: No. Both parts have identical dimensions: 0.752" L x 0.201" W x 0.484" H (19.10mm x 5.10mm x 12.30mm).

Q: Do both parts require the same fuse holder?

A: Yes. Both parts use the Blade, ATO/ATC package type and require a compatible ATO/ATC fuse holder for installation.

Q: Are there compliance or certification differences?

A: No. Both parts carry identical certifications: UL approval, ROHS3 compliance, and REACH unaffected status.

Q: What is the DC cold resistance specification?

A: Both parts have a DC cold resistance of 0.123 Ohms.

Q: What is the melting I²t value?

A: Both parts have a melting I²t value of 0.4.