Littelfuse 0332010.VXP Ceramic Cartridge Fuse Equivalent & Substitute Parts

Part Overview

The Littelfuse 0332010.VXP is a 10 A ceramic cartridge fuse rated for 250 V AC and 125 V DC operation. This component is classified as obsolete, requiring identification of active equivalent alternatives for continued system support. The 3AB/3AG form factor (0.250" diameter × 1.250" length) necessitates compatible substitute parts that maintain electrical and mechanical specifications for direct replacement in existing holder assemblies.

Key Parameters

Parameter	Value
Current Rating	10 A
Voltage Rating (AC)	250 V
Voltage Rating (DC)	125 V
Fuse Type	Cartridge, Ceramic
Response Time	Fast Blow
Package / Case	3AB, 3AG, 1/4" x 1-1/4" (6.35mm x 31.75mm)
Mounting Type	Requires Holder
Operating Temperature Range	-55°C to 125°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the 0332010.VXP is determined by strict equivalence across the following electrical and mechanical 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)
Operating Temperature Range: -55°C to 125°C (exact match required)

All substitute parts listed below meet these criteria. The primary distinction between the obsolete 0332010.VXP and its active equivalents lies in product status and enhanced breaking capacity specifications in the Series 314 alternatives.

Parameter Comparison

Parameter	0332010.VXP (Main)	0314010.VXP	0314010.HXP	0314010.MXP	0314010.MXANP	0332010.MXP
Manufacturer	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.
Series	332	314	314	314	314	332
Product Status	Obsolete	Active	Active	Active	Active	Obsolete
Current Rating (Amps)	10 A	10 A	10 A	10 A	10 A	10 A
Voltage Rating - AC	250 V	250 V	250 V	250 V	250 V	250 V
Voltage Rating - DC	125 V	125 V	125 V	125 V	125 V	125 V
Response Time	Fast Blow	Fast Blow	Fast Blow	Fast Blow	Fast Blow	Fast Blow
Package / Case	3AB, 3AG, 1/4" x 1-1/4"	3AB, 3AG, 1/4" x 1-1/4"	3AB, 3AG, 1/4" x 1-1/4"	3AB, 3AG, 1/4" x 1-1/4"	3AB, 3AG, 1/4" x 1-1/4"	3AB, 3AG, 1/4" x 1-1/4"
Size / Dimension	0.250" Dia x 1.250" L (6.35mm x 31.75mm)	0.250" Dia x 1.250" L (6.35mm x 31.75mm)	0.250" Dia x 1.250" L (6.35mm x 31.75mm)	0.250" Dia x 1.250" L (6.35mm x 31.75mm)	0.250" Dia x 1.250" L (6.35mm x 31.75mm)	0.250" Dia x 1.250" L (6.35mm x 31.75mm)
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Mounting Type	Requires Holder	Requires Holder	Requires Holder	Requires Holder	Requires Holder	Requires Holder
Fuse Type	Cartridge, Ceramic	Cartridge, Ceramic	Cartridge, Ceramic	Cartridge, Ceramic	Cartridge, Ceramic	Cartridge, Ceramic

Engineering Selection Recommendations

The 0314010.VXP, 0314010.HXP, 0314010.MXP, and 0314010.MXANP represent the primary substitution path for the obsolete 0332010.VXP. All four Series 314 alternatives are classified as active products with expanded approval agency certifications including UL, CSA, and K-MARK, providing enhanced regulatory coverage compared to the original part.

For applications requiring continued support of existing inventory, the 0332010.MXP offers parametric equivalence while maintaining the Series 332 designation. However, this part is also classified as obsolete and should not be selected for new designs or long-term system support.

Selection among the active Series 314 alternatives (0314010.VXP, 0314010.HXP, 0314010.MXP, 0314010.MXANP) is based on packaging availability and inventory requirements, as all four parts are electrically and mechanically identical for the specified application parameters.

Frequently Asked Questions (FAQ)

Q: Can the 0314010 series parts directly replace the 0332010.VXP in existing assemblies?

A: Yes. The 0314010 series parts are mechanically and electrically equivalent. They share identical current ratings (10 A), voltage ratings (250 V AC / 125 V DC), form factor (3AB/3AG, 0.250" × 1.250"), and operating temperature range (-55°C to 125°C). Direct installation in existing 3AB/3AG fuse holders is supported.

Q: What is the difference between the four active Series 314 alternatives?

A: The 0314010.VXP, 0314010.HXP, 0314010.MXP, and 0314010.MXANP are parametrically identical. Differences exist only in packaging designation and approval agency certifications. Selection should be based on inventory availability and specific regulatory requirements for the end application.

Q: Why is the 0332010.VXP classified as obsolete?

A: The 0332010.VXP is an older product line. The Series 314 alternatives provide enhanced breaking capacity specifications and broader regulatory approvals while maintaining full electrical and mechanical compatibility.

Q: Are there any compatibility concerns when substituting these parts?

A: No compatibility concerns exist for the listed substitutes. All parts require the same 3AB/3AG holder assembly and operate within identical electrical parameters. The ceramic cartridge construction and fast-blow response time are consistent across all alternatives.

Q: What holder types are compatible with these fuses?

A: These ceramic cartridge fuses require a dedicated 3AB or 3AG fuse holder. The 0.250" diameter and 1.250" length dimensions are standardized for these holder types. Verify holder compatibility before installation.

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