Littelfuse 0272002.H Board Mount Fuse Equivalent & Substitute Parts

Part Overview

The Littelfuse 0272002.H is a 2A 125VAC/VDC board mount fuse in radial, can, vertical package configuration. This fast-blow fuse is designed for through-hole mounting applications requiring circuit protection at 125V AC or DC. The part maintains active product status with full compliance to RoHS3, REACH, and major approval agencies including UL, CSA, and QPL. Substitute parts are identified when identical electrical and mechanical parameters are required for design flexibility, inventory management, or supply chain continuity.

Substiute Parts

0272002.H

Littelfuse Inc.In Stock: 11390272002.H Datasheet

Current PartRFQ

0272002.V

Littelfuse Inc.In Stock: 10190272002.V Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 0272002.H are identified based on exact equivalence across all critical electrical and mechanical parameters. The substitution criteria include:

• Current Rating: 2 A (exact match required)
• Voltage Rating: 125 V AC and 125 V DC (exact match required)
• Response Time: Fast Blow (exact match required)
• Package Configuration: Radial, Can, Vertical through-hole mounting (exact match required)
• Breaking Capacity: 10 kA @ rated voltage (exact match required)
• Physical Dimensions: 0.235" Dia x 0.287" H (exact match required)
• DC Cold Resistance: 0.0425 Ohms (exact match required)
• Thermal Characteristics: -55°C to 125°C operating range (exact match required)

The Littelfuse 0272002.V meets all substitution criteria as a parametric equivalent within the MICRO™ 272 series.

Parameter Comparison

Engineering Selection Recommendations

Both the 0272002.H and 0272002.V are active products with identical electrical specifications, mechanical dimensions, and regulatory compliance. Selection between these parts may be based on inventory availability or supply chain requirements. Both parts carry full approval from CSA, QPL, and UL, and maintain ROHS3 compliance and REACH unaffected status. No technical differentiation exists between these parts for circuit protection applications requiring 2A fast-blow protection at 125V AC/DC with through-hole radial mounting.

Frequently Asked Questions (FAQ)

Q: Can 0272002.V be used as a direct replacement for 0272002.H?

A: Yes. The 0272002.V is a parametric equivalent with identical current rating, voltage rating, response time, package configuration, breaking capacity, physical dimensions, and thermal characteristics. Direct substitution is supported for all applications.

Q: Are there any differences in approval certifications between these parts?

A: No. Both parts carry identical approvals from CSA, QPL, and UL, with matching RoHS3 compliance and REACH unaffected status.

Q: What determines if a fuse can substitute for the 0272002.H?

A: Substitution requires exact equivalence in current rating (2A), voltage rating (125V AC/DC), response time (Fast Blow), mounting type (Through Hole), package configuration (Radial, Can, Vertical), breaking capacity (10kA), physical dimensions (0.235" Dia x 0.287" H), and operating temperature range (-55°C to 125°C).

Q: Are these parts suitable for both AC and DC applications?

A: Yes. Both parts are rated for 125V AC and 125V DC operation, supporting dual-voltage circuit protection applications.

Q: What is the significance of the 10kA breaking capacity?

A: The 10kA breaking capacity indicates the maximum fault current the fuse can safely interrupt at rated voltage without rupturing or creating a hazard. This specification is critical for proper circuit protection design.