Littelfuse 0322010.HXP Ceramic Fuse 10A 250VAC 125VDC Equivalent & Substitute Parts

Part Overview

The Littelfuse 0322010.HXP is a 10 A ceramic cartridge fuse rated for 250 V AC and 125 V DC operation. This component belongs to the Series 322 product line and is classified as obsolete. Due to its obsolete status, equivalent substitute parts from active product lines are available to maintain circuit protection functionality in applications requiring 10 A fast-blow ceramic fuse cartridges with 3AB/3AG holder compatibility.

Substiute Parts

0322010.HXP

Littelfuse Inc.In Stock: 11750322010.HXP Datasheet

Current PartRFQ

0314010.HXP

Littelfuse Inc.In Stock: 16880314010.HXP Datasheet

Parametric EquivalentRFQ

0314010.MXANP

Littelfuse Inc.In Stock: 17610314010.MXANP Datasheet

Parametric EquivalentRFQ

0314010.MXP

Littelfuse Inc.In Stock: 59000314010.MXP Datasheet

Parametric EquivalentRFQ

0314010.VXP

Littelfuse Inc.In Stock: 10960314010.VXP Datasheet

Parametric EquivalentRFQ

0332010.MXP

Littelfuse Inc.In Stock: 9530332010.MXP Datasheet

Parametric EquivalentRFQ

BK/GBB-10-R

Eaton - Electronics DivisionIn Stock: 1164BK/GBB-10-R Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 0322010.HXP are grouped into two categories based on electrical and mechanical compatibility:

Category 1: Active Series 314 Equivalents (Littelfuse) Parts 0314010.HXP, 0314010.MXANP, 0314010.MXP, and 0314010.VXP are parametric equivalents from the active Series 314 product line. These parts maintain identical electrical specifications (10 A, 250 V AC, 125 V DC, fast-blow ceramic cartridge) and mechanical form factor (3AB/3AG, 1/4" x 1-1/4"). All four parts are currently in active production status.

Category 2: Obsolete Series 332 Equivalent (Littelfuse) Part 0332010.MXP is from the Series 332 product line and shares identical electrical and mechanical specifications with the main part. However, this part is also classified as obsolete.

Category 3: Cross-Manufacturer Equivalent (Eaton) Part BK/GBB-10-R from Eaton Electronics Division provides direct functional equivalence with matching current rating, voltage ratings, fast-blow response, and 3AB/3AG holder compatibility.

Substitution is determined by the following critical parameters:

• Current Rating: 10 A (exact match required)
• Voltage Rating AC: 250 V (exact match required)
• Voltage Rating DC: 125 V (exact match required)
• Fuse Type: Cartridge, Ceramic (exact match required)
• Response Time: Fast Blow (exact match required)
• Package / Case: 3AB, 3AG, 1/4" x 1-1/4" (exact match required)

Parameter Comparison

Engineering Selection Recommendations

For applications currently using the obsolete 0322010.HXP, the following selection criteria apply:

Preferred Substitutes (Active Status): The Series 314 parts (0314010.HXP, 0314010.MXANP, 0314010.MXP, 0314010.VXP) are recommended as primary substitutes. All four parts are in active production status and provide enhanced breaking capacity specifications (750A AC, 10kA DC) compared to the original part (100A). These parts carry expanded regulatory approvals including CE, CSA, K-MARK, PSE, and UL certifications. The increased melting I²t value (206 versus 24) indicates improved thermal performance characteristics.

Cross-Manufacturer Alternative: The Eaton BK/GBB-10-R provides functional equivalence with active product status. This part carries CSA and UR certifications and features a 10kA breaking capacity rating. The DC cold resistance value (0.00934 Ω) falls between the Series 322/332 and Series 314 specifications.

Avoid: The 0332010.MXP, while electrically and mechanically equivalent, carries obsolete status and should not be selected for new designs or long-term supply assurance.

Frequently Asked Questions (FAQ)

Q: Can Series 314 parts directly replace the 0322010.HXP in existing applications? A: Yes. Series 314 parts (0314010.HXP, 0314010.MXANP, 0314010.MXP, 0314010.VXP) are direct replacements. They maintain identical current rating (10 A), voltage ratings (250 V AC, 125 V DC), response time (fast-blow), and mechanical form factor (3AB/3AG, 1/4" x 1-1/4"). The enhanced breaking capacity and regulatory approvals make them suitable for direct substitution.

Q: What is the difference between the four Series 314 variants? A: All four Series 314 parts (0314010.HXP, 0314010.MXANP, 0314010.MXP, 0314010.VXP) share identical electrical specifications and performance characteristics. Differences exist only in packaging designation and regulatory approval combinations. Selection among these variants depends on specific procurement or certification requirements.

Q: Is the Eaton BK/GBB-10-R compatible with 3AB/3AG holders? A: Yes. The Eaton BK/GBB-10-R is manufactured to the 3AB/3AG form factor (1/4" x 1-1/4") and is mechanically compatible with standard ceramic fuse holders designed for this package size.

Q: Why do Series 314 parts have higher melting I²t values than the original part? A: The melting I²t value (206 for Series 314 versus 24 for Series 322/332) reflects improved thermal design in the active product line. This parameter indicates the thermal energy required to melt the fuse element and is a characteristic of the fuse construction, not a change in protection function. Both values are appropriate for 10 A fast-blow ceramic cartridges.

Q: Can I use the 0332010.MXP as a substitute? A: The 0332010.MXP is electrically and mechanically equivalent but carries obsolete status. For new applications or long-term supply requirements, active Series 314 parts are preferred to ensure continued availability and manufacturing support.

Q: What regulatory certifications should I verify for my application? A: Verify that the selected substitute part carries the certifications required by your application standards. Series 314 parts carry CE, CSA, K-MARK, PSE, and UL approvals. The Eaton BK/GBB-10-R carries CSA and UR approvals. Confirm these match your circuit protection requirements.