Littelfuse 0332008.HXP Ceramic Fuse Cartridge - Equivalent & Substitute Parts

Part Overview

The Littelfuse 0332008.HXP is an 8 A, 250 V AC / 125 V DC ceramic fuse cartridge designed for fast-blow applications requiring a 3AB, 3AG holder format with 1/4" x 1-1/4" dimensions. This part is classified as obsolete, making equivalent substitute parts necessary for ongoing system maintenance and new designs. Substitute parts maintain identical electrical and mechanical specifications while offering active product status and improved availability.

Key Parameters

Parameter	Value
Current Rating	8 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)
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
Approval Agencies	CE, cULus, PSE

Substitute Part Grouping Explanation

Substitution eligibility for the 0332008.HXP is determined by strict equivalence across the following parameters:

Current Rating: 8 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 ~ 125°C (exact match required)

All three substitute parts (0314008.HXP, 0314008.MXP, 0314008.VXP) meet these criteria. These parts belong to the Littelfuse 314 series and maintain full parametric equivalence to the obsolete 332 series 0332008.HXP.

Parameter Comparison

Parameter	0332008.HXP (Main)	0314008.HXP	0314008.MXP	0314008.VXP
Manufacturer	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.
Series	332	314	314	314
Product Status	Obsolete	Active	Active	Active
Current Rating (Amps)	8 A	8 A	8 A	8 A
Voltage Rating - AC	250 V	250 V	250 V	250 V
Voltage Rating - DC	125 V	125 V	125 V	125 V
Response Time	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"
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)
Breaking Capacity @ Rated Voltage	100A	750A AC, 10kA DC	750A AC, 10kA DC	750A AC, 10kA DC
Melting I²t	16.45	105	105	105
Operating Temperature	-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
Approval Agency	CE, cULus, PSE	CE, CSA, K-MARK, PSE, UL	CE, CSA, K-MARK, PSE, UL	CE, CSA, KC, PSE, UL

Engineering Selection Recommendations

All three substitute parts (0314008.HXP, 0314008.MXP, 0314008.VXP) are direct parametric equivalents to the obsolete 0332008.HXP. Selection among these active alternatives should be based on:

Product Availability: All three substitutes maintain active product status with current inventory. 0314008.HXP offers 2000 units in stock, 0314008.MXP provides 1151 units, and 0314008.VXP supplies 909 units.

Regulatory Compliance: All substitutes carry ROHS3 compliance and expanded approval certifications (CE, CSA, K-MARK, PSE, UL for 0314008.HXP and 0314008.MXP; CE, CSA, KC, PSE, UL for 0314008.VXP), exceeding the original part's CE, cULus, PSE certifications.

Packaging: All substitutes are supplied in bulk packaging, consistent with the original part's packaging format.

Frequently Asked Questions (FAQ)

Q: Can 0314008.HXP, 0314008.MXP, and 0314008.VXP be used interchangeably with 0332008.HXP?

A: Yes. All three parts maintain identical current ratings (8 A), voltage ratings (250 V AC / 125 V DC), fuse type (ceramic cartridge), response time (fast blow), and physical dimensions (1/4" x 1-1/4"). They are mechanically and electrically compatible with existing 3AB and 3AG holder installations.

Q: What is the difference between the three substitute parts?

A: The three substitutes are parametrically equivalent. Differences exist only in packaging format (all bulk), inventory levels, and minor variations in regulatory certifications. 0314008.VXP carries KC approval in addition to other certifications, while 0314008.HXP and 0314008.MXP carry K-MARK approval.

Q: Why do the substitute parts have higher breaking capacity and melting I²t values?

A: The 314 series substitutes (750A AC / 10kA DC breaking capacity, 105 melting I²t) represent improved performance specifications compared to the obsolete 332 series (100A breaking capacity, 16.45 melting I²t). These enhanced ratings provide superior fault protection while maintaining identical nominal operating characteristics.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All three substitute parts (0314008.HXP, 0314008.MXP, 0314008.VXP) are ROHS3 compliant, matching the compliance status of the original 0332008.HXP.

Q: Which substitute part should be selected for new designs?

A: Any of the three substitutes are suitable for new designs. Selection should prioritize availability and lead time requirements. 0314008.HXP offers the highest inventory level (2000 units).

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