Littelfuse 0332009.VXP Ceramic Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 0332009.VXP is a 9A ceramic cartridge fuse rated for 250V AC and 125V DC operation. This component is classified as obsolete, making identification of equivalent and substitute parts essential for system maintenance, repair, and redesign applications. The fuse is designed for fast-blow response characteristics and requires a compatible holder (3AB, 3AG format). Locating functionally equivalent alternatives ensures continuity of supply and system reliability for legacy equipment still in operation.

Substiute Parts

0332009.VXP

Littelfuse Inc.In Stock: 7460332009.VXP Datasheet

Current PartRFQ

0332009.HXP

Littelfuse Inc.In Stock: 10570332009.HXP Datasheet

Parametric EquivalentRFQ

BK/GBB-9-R

Eaton - Electronics DivisionIn Stock: 915BK/GBB-9-R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Littelfuse 0332009.VXP is determined by strict equivalence across the following critical parameters:

• Current Rating: 9 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)
• Size / Dimension: 0.250" Dia x 1.250" L (6.35mm x 31.75mm) (exact match required)

Two substitute parts meet these criteria: the Littelfuse 0332009.HXP (parametric equivalent) and the Eaton BK/GBB-9-R (manufacturer-recommended equivalent). Both maintain identical electrical and mechanical specifications, ensuring direct compatibility with existing holder assemblies and circuit protection requirements.

Parameter Comparison

Engineering Selection Recommendations

The Littelfuse 0332009.HXP serves as the direct parametric equivalent, maintaining identical electrical characteristics, thermal performance, and regulatory certifications (CE, cULus, PSE). This part is preferred when sourcing from existing Littelfuse supply chains or when maintaining consistency with original component specifications.

The Eaton BK/GBB-9-R is an active product with manufacturer-recommended equivalence status. It provides superior breaking capacity (10 kA versus 100 A) and holds current regulatory certifications (CSA, UR). The slightly elevated DC cold resistance (0.0107 Ohms versus 0.0077 Ohms) remains within acceptable tolerance for circuit protection applications. This part is suitable for new designs or system upgrades where active product availability and enhanced breaking capacity are advantageous.

Both substitutes are ROHS3 compliant and maintain the same physical form factor, ensuring mechanical compatibility with 3AB and 3AG holder assemblies.

Frequently Asked Questions (FAQ)

Q: Can the Eaton BK/GBB-9-R be used as a direct replacement for the Littelfuse 0332009.VXP?

A: Yes. Both parts share identical current rating (9 A), voltage ratings (250V AC / 125V DC), fuse type (ceramic cartridge), response time (fast blow), and physical dimensions (0.250" Dia x 1.250" L). The Eaton part is mechanically and electrically compatible with existing 3AB and 3AG holder assemblies.

Q: What is the difference in breaking capacity between the substitute parts?

A: The Littelfuse 0332009.HXP maintains the original breaking capacity of 100 A at rated voltage. The Eaton BK/GBB-9-R provides enhanced breaking capacity of 10 kA. Both values are sufficient for standard circuit protection applications; the higher capacity in the Eaton part offers additional margin in high-fault-current environments.

Q: Are there differences in regulatory certifications?

A: The Littelfuse 0332009.HXP carries CE, cULus, and PSE certifications matching the original part. The Eaton BK/GBB-9-R holds CSA and UR certifications. Both sets of certifications are recognized for industrial and commercial applications. Verify certification requirements for your specific application jurisdiction.

Q: Does the DC cold resistance difference affect circuit performance?

A: The DC cold resistance of the Eaton BK/GBB-9-R (0.0107 Ohms) is slightly higher than the Littelfuse parts (0.0077 Ohms). This minor difference does not affect fuse operation or circuit protection characteristics in standard applications. Both values are within acceptable ranges for ceramic cartridge fuses in this current class.

Q: Can I use the Littelfuse 0332009.HXP if the original 0332009.VXP is unavailable?

A: Yes. The 0332009.HXP is a parametric equivalent with identical specifications. Both parts are obsolete, but the HXP variant may have different packaging (bulk versus other formats). Verify packaging requirements for your procurement process.

Q: Which substitute should I select for a new design?

A: The Eaton BK/GBB-9-R is the recommended choice for new designs because it is an active product with current availability and enhanced breaking capacity. It meets all electrical and mechanical requirements while providing superior supply chain continuity.