Littelfuse 0312.062MXP Glass Cartridge Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 0312.062MXP is a fast-blow glass cartridge fuse rated at 62 mA, 250 V AC/DC, designed for applications requiring compact overcurrent protection in 3AB and 3AG holder configurations. This component is actively manufactured and maintains full compliance with international safety standards. Substitute parts are identified when identical electrical and mechanical parameters are required for design flexibility, inventory management, or supply chain continuity.

Substiute Parts

0312.062MXP

Littelfuse Inc.In Stock: 19280312.062MXP Datasheet

Current PartRFQ

0312.062HXCCP

Littelfuse Inc.In Stock: 9700312.062HXCCP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The Littelfuse 0312.062HXCCP is classified as a parametric equivalent to the 0312.062MXP. Substitution eligibility is determined by strict matching of the following critical parameters:

• Current Rating: 62 mA (exact match required)
• Voltage Rating: 250 V AC (exact match required)
• Fuse Type: Cartridge, Glass (exact match required)
• Response Time: Fast Blow (exact match required)
• Package / Case: 3AB, 3AG, 1/4" x 1-1/4" (exact match required)
• Breaking Capacity: 35 A (exact match required)
• Melting I²t: 0.000249 (exact match required)
• Operating Temperature Range: -55°C to 125°C (exact match required)
• DC Cold Resistance: 24.7 Ohms (exact match required)

Both parts are manufactured by Littelfuse Inc., belong to the 312 series, maintain Active product status, and carry identical regulatory certifications (CE, CSA, UL). Substitution is valid only when all electrical and mechanical parameters match exactly.

Parameter Comparison

Engineering Selection Recommendations

Both the 0312.062MXP and 0312.062HXCCP are Active products manufactured by Littelfuse Inc. and carry identical regulatory certifications (CE, CSA, UL). Selection between these parts may be based on inventory availability, lead time, or supply chain requirements, as all electrical, mechanical, and compliance parameters are identical. Both parts satisfy ROHS3 compliance and REACH unaffected status, making them suitable for applications with environmental regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can the 0312.062HXCCP replace the 0312.062MXP in existing designs?

A: Yes. Both parts are parametric equivalents with identical current ratings (62 mA), voltage ratings (250 V AC), fuse types (Cartridge, Glass), response times (Fast Blow), package configurations (3AB, 3AG, 1/4" x 1-1/4"), breaking capacities (35 A), melting I²t values (0.000249), operating temperature ranges (-55°C to 125°C), and DC cold resistance (24.7 Ohms). No circuit redesign is required.

Q: Are there any differences in holder compatibility?

A: No. Both parts require the same holder types: 3AB and 3AG. Physical dimensions are identical at 0.250" diameter by 1.250" length (6.35 mm x 31.75 mm).

Q: Do both parts carry the same regulatory approvals?

A: Yes. Both the 0312.062MXP and 0312.062HXCCP carry CE, CSA, and UL approvals. Both are ROHS3 compliant and REACH unaffected.

Q: What is the difference between these two part numbers?

A: The part numbers differ, but all specified electrical, mechanical, and regulatory parameters are identical. Differences may relate to internal manufacturing processes, packaging batches, or supply chain designations not reflected in the provided technical specifications.

Q: Can I use either part interchangeably in my application?

A: Yes, provided your application requires a 62 mA, 250 V AC fast-blow glass cartridge fuse in a 3AB or 3AG holder configuration with a -55°C to 125°C operating temperature range. Both parts meet these requirements identically.