Littelfuse 0322030.MXP Ceramic Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 0322030.MXP is a 30A ceramic cartridge fuse rated for 65V AC/DC operation. This fast-blow fuse is designed for applications requiring reliable overcurrent protection in industrial and commercial equipment. The part is actively manufactured and maintained in production status. Substitute parts may be required due to inventory availability, supply chain considerations, or specific packaging preferences while maintaining identical electrical and mechanical performance.

Substiute Parts

0322030.MXP

Littelfuse Inc.In Stock: 9920322030.MXP Datasheet

Current PartRFQ

0322030.HXP

Littelfuse Inc.In Stock: 54290322030.HXP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The 0322030.MXP has one parametric equivalent substitute: 0322030.HXP. Both parts are manufactured by Littelfuse Inc. within the 322 series and share identical electrical and mechanical specifications. Substitution is valid based on the following critical parameters that determine functional interchangeability:

• Current Rating: 30 A (identical)
• Voltage Rating: 65V AC / 65V DC (identical)
• Response Time: Fast Blow (identical)
• Package / Case: 3AB, 3AG, 1/4" x 1-1/4" (identical)
• Breaking Capacity: 200A AC, 1kA DC (identical)
• Melting I²t: 540 (identical)
• Operating Temperature Range: -55°C ~ 125°C (identical)
• Size / Dimension: 0.250" Dia x 1.250" L (6.35mm x 31.75mm) (identical)
• DC Cold Resistance: 0.0023 Ohms (identical)
• Approval Agencies: CE, UL (identical)
• RoHS Status: ROHS3 Compliant (identical)

Parameter Comparison

Engineering Selection Recommendations

Both the 0322030.MXP and 0322030.HXP are active production parts manufactured by Littelfuse Inc. with identical electrical and mechanical specifications. Selection between these parts should be based on inventory availability and supply chain requirements. Both parts carry CE and UL approvals and are ROHS3 compliant, meeting regulatory requirements for industrial and commercial applications. The 0322030.HXP currently maintains higher inventory levels (5400 pcs vs. 919 pcs), which may influence procurement decisions for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Can 0322030.HXP be used as a direct replacement for 0322030.MXP?

A: Yes. Both parts are parametric equivalents with identical current rating (30A), voltage rating (65V AC/DC), response time (Fast Blow), package dimensions (3AB, 3AG, 1/4" x 1-1/4"), breaking capacity (200A AC, 1kA DC), and all other electrical and mechanical specifications. They are functionally interchangeable.

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

A: No. Both parts carry identical CE and UL approvals and are ROHS3 compliant. Regulatory compliance is equivalent.

Q: What is the significance of the package designation 3AB, 3AG?

A: The 3AB and 3AG designations indicate the fuse holder compatibility. Both parts require a compatible holder and share the same physical dimensions (0.250" Dia x 1.250" L / 6.35mm x 31.75mm), ensuring mechanical interchangeability in existing installations.

Q: Is there a difference in melting characteristics between these parts?

A: No. Both parts have identical melting I²t values of 540 and identical DC cold resistance of 0.0023 Ohms, indicating identical thermal and electrical response characteristics.

Q: Which part should be selected for new designs?

A: Either part is suitable for new designs. Selection should be based on inventory availability, lead time, and supply chain considerations. Both parts are active production items with identical specifications.