Littelfuse 026301.5M Equivalent & Substitute Parts

Part Overview

The Littelfuse 026301.5M is a 1.5 A, 250 V AC/DC board mount axial fuse with fast blow response characteristics, designed for through-hole PCB applications. This component is classified as obsolete, making identification of suitable substitutes essential for ongoing production support and design updates. The part belongs to the PICO® II 263 series and meets CSA, PSE, and UR approval standards.

Substiute Parts

026301.5M
Littelfuse Inc.In Stock: 828026301.5M Datasheet
026301.5M
Current Part
026301.5MXL
Littelfuse Inc.In Stock: 1888026301.5MXL Datasheet
026301.5MXL
Direct

Key Parameters

Parameter Value
Current Rating 1.5 A
Voltage Rating (AC) 250 V
Response Time Fast Blow
Mounting Type Through Hole
Fuse Type Board Mount (Cartridge Style Excluded)
Package / Case Axial
Breaking Capacity @ Rated Voltage 50 A
Size / Dimension 0.155" Dia x 0.280" L (3.94mm x 7.11mm)
Operating Temperature Range -55°C ~ 125°C
DC Cold Resistance 0.0635 Ohms
Approval Agencies CSA, PSE, UR

Substitute Part Grouping Explanation

The Littelfuse 026301.5MXL qualifies as a direct substitute based on identical electrical and mechanical parameters. Substitution is valid when the following criteria are met:

  • Current Rating: 1.5 A (exact match)
  • Voltage Rating (AC): 250 V (exact match)
  • Response Time: Fast Blow (exact match)
  • Mounting Type: Through Hole (exact match)
  • Fuse Type: Board Mount, Axial configuration (exact match)
  • Package / Case: Axial (exact match)
  • Breaking Capacity @ Rated Voltage: 50 A (exact match)
  • Size / Dimension: 0.155" Dia x 0.280" L (exact match)
  • Operating Temperature Range: -55°C ~ 125°C (exact match)
  • DC Cold Resistance: 0.0635 Ohms (exact match)

The 026301.5MXL maintains all critical electrical and mechanical specifications, ensuring functional equivalence in board mount fuse applications.

Parameter Comparison

Parameter 026301.5M (Main Part) 026301.5MXL (Substitute)
Manufacturer Littelfuse Inc. Littelfuse Inc.
Series PICO® II 263 PICO® II 263
Current Rating (Amps) 1.5 A 1.5 A
Voltage Rating - AC 250 V 250 V
Response Time Fast Blow Fast Blow
Mounting Type Through Hole Through Hole
Fuse Type Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded)
Package / Case Axial Axial
Breaking Capacity @ Rated Voltage 50 A 50 A
Melting I²t 0.398 0.398
Size / Dimension 0.155" Dia x 0.280" L (3.94mm x 7.11mm) 0.155" Dia x 0.280" L (3.94mm x 7.11mm)
DC Cold Resistance 0.0635 Ohms 0.0635 Ohms
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C
Approval Agency CSA, PSE, UR CSA, PSE, UR
Product Status Obsolete Active
RoHS Status RoHS non-compliant ROHS3 Compliant

Engineering Selection Recommendations

The 026301.5MXL is the appropriate substitute for the obsolete 026301.5M. Both parts maintain identical electrical performance and mechanical compatibility. The primary distinction is product status and regulatory compliance:

The 026301.5M is obsolete and carries RoHS non-compliant status. The 026301.5MXL is active in production and meets ROHS3 compliance requirements, along with REACH Unaffected status. For new designs or production continuity, the 026301.5MXL is the specified replacement, offering equivalent functionality with current regulatory alignment and ongoing manufacturer support.

Frequently Asked Questions (FAQ)

Q: Can the 026301.5MXL be used as a direct replacement for the 026301.5M in existing designs?

A: Yes. Both parts share identical current rating (1.5 A), voltage rating (250 V AC), response time (Fast Blow), mounting type (Through Hole), package configuration (Axial), and physical dimensions (0.155" Dia x 0.280" L). Electrical performance and board-level compatibility are equivalent.

Q: What is the difference between the 026301.5M and 026301.5MXL?

A: The primary differences are product status and compliance. The 026301.5M is obsolete with RoHS non-compliant status. The 026301.5MXL is an active production part with ROHS3 compliance and REACH Unaffected designation. All electrical and mechanical specifications are identical.

Q: Are there packaging differences between these parts?

A: The 026301.5M is supplied in standard packaging, while the 026301.5MXL is supplied in bulk packaging. Both maintain the same axial fuse configuration and physical dimensions suitable for through-hole PCB mounting.

Q: What approval certifications apply to both parts?

A: Both the 026301.5M and 026301.5MXL carry CSA, PSE, and UR approvals, meeting international safety standards for board mount fuse applications.

Q: Is the 026301.5MXL suitable for applications requiring RoHS compliance?

A: Yes. The 026301.5MXL is ROHS3 compliant, making it suitable for applications with RoHS regulatory requirements. The obsolete 026301.5M does not meet RoHS compliance.

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