Littelfuse 0230002.HXSW Glass Cartridge Fuse Equivalent & Substitute Parts

Part Overview

The Littelfuse 0230002.HXSW is a 2 A, 250 V AC glass cartridge fuse with axial through-hole mounting. This part is classified as obsolete, which necessitates identification of active equivalent alternatives for ongoing design support and procurement. The fuse is rated for slow-blow response with a 100 A breaking capacity at rated voltage and operates across a temperature range of -55°C to 125°C. Substitute parts must maintain identical electrical ratings and mechanical form factors to ensure direct compatibility in existing circuit designs.

Key Parameters

Parameter	Value
Current Rating	2 A
Voltage Rating (AC)	250 V
Fuse Type	Cartridge, Glass
Response Time	Slow Blow
Package / Case	Cartridge, Non-Standard (Axial)
Mounting Type	Through Hole
Size / Dimension	0.177" Dia x 0.571" L (4.50mm x 14.50mm)
Operating Temperature	-55°C ~ 125°C
Melting I²t	30
DC Cold Resistance	0.0692 Ohms

Substitute Part Grouping Explanation

Substitution eligibility for the 0230002.HXSW is determined by the following mandatory parameters:

Current Rating: 2 A (exact match required)
Voltage Rating (AC): 250 V (exact match required)
Fuse Type: Cartridge, Glass (exact match required)
Response Time: Slow Blow (exact match required)
Package / Case: Cartridge, Non-Standard (Axial) (exact match required)
Mounting Type: Through Hole (exact match required)
Size / Dimension: 0.177" Dia x 0.571" L (4.50mm x 14.50mm) (exact match required)
Operating Temperature Range: -55°C ~ 125°C (exact match required)
Melting I²t: 30 (exact match required)

All substitute parts listed below meet these criteria. Variations in breaking capacity, DC voltage rating, RoHS compliance status, and approval agencies do not affect substitution eligibility for AC-rated applications, provided the core electrical and mechanical parameters remain identical.

Parameter Comparison

Part Number	Current Rating	Voltage (AC)	Voltage (DC)	Response Time	Breaking Capacity (AC)	Breaking Capacity (DC)	Product Status	RoHS Status	Inventory
0230002.HXSW	2 A	250 V	—	Slow Blow	100 A	—	Obsolete	Non-compliant	817 Pcs
0230002.HXSP	2 A	250 V	125 V	Slow Blow	35 A	10 kA	Active	ROHS3 Compliant	1279 Pcs
0230002.HXP	2 A	250 V	125 V	Slow Blow	35 A	10 kA	Active	ROHS3 Compliant	3311 Pcs
0230002.MXP	2 A	250 V	125 V	Slow Blow	35 A	10 kA	Active	ROHS3 Compliant	34412 Pcs
0230002.MXSP	2 A	250 V	125 V	Slow Blow	35 A	10 kA	Active	ROHS3 Compliant	1088 Pcs
0230002.VXP	2 A	250 V	125 V	Slow Blow	100 A	10 kA	Active	ROHS3 Compliant	633 Pcs
0230002.VXSP	2 A	250 V	125 V	Slow Blow	100 A	10 kA	Active	ROHS3 Compliant	786 Pcs

Engineering Selection Recommendations

All listed substitute parts are active products manufactured by Littelfuse Inc. and maintain full compatibility with the 0230002.HXSW across all mandatory electrical and mechanical parameters. Selection among active alternatives should be based on the following criteria:

Product Status & Compliance: All substitute parts carry active product status and ROHS3 compliance, ensuring long-term availability and regulatory alignment. The original 0230002.HXSW is obsolete and non-compliant with current environmental standards.

Approval Certifications: All substitute parts carry CE, CSA, PSE, and UL certifications, providing broader regulatory coverage than the original part.

Breaking Capacity Considerations: Parts 0230002.VXP and 0230002.VXSP offer 100 A AC breaking capacity, matching the original part's specification. Parts 0230002.HXSP, 0230002.HXP, 0230002.MXP, and 0230002.MXSP provide 35 A AC breaking capacity. Selection depends on circuit protection requirements at the application level.

Inventory Availability: Part 0230002.MXP offers the highest inventory level (34,412 pcs), followed by 0230002.HXP (3,311 pcs), providing optimal procurement flexibility for volume requirements.

Frequently Asked Questions (FAQ)

Q: Can 0230002.HXSP, 0230002.HXP, 0230002.MXP, 0230002.MXSP, 0230002.VXP, and 0230002.VXSP be used interchangeably with 0230002.HXSW?

A: Yes. All substitute parts maintain identical current rating (2 A), AC voltage rating (250 V), fuse type (cartridge, glass), response time (slow blow), package form factor (cartridge, non-standard axial), mounting type (through hole), physical dimensions (0.177" Dia x 0.571" L), operating temperature range (-55°C to 125°C), and melting I²t (30). These parameters define substitution compatibility for this product category.

Q: What is the difference between the substitute parts?

A: Substitute parts differ in breaking capacity and DC voltage rating. Parts 0230002.HXSP, 0230002.HXP, 0230002.MXP, and 0230002.MXSP are rated for 35 A AC and 10 kA DC breaking capacity with 125 V DC rating. Parts 0230002.VXP and 0230002.VXSP are rated for 100 A AC and 10 kA DC breaking capacity with 125 V DC rating. The original 0230002.HXSW is rated for 100 A AC breaking capacity with no DC rating specified. For AC-only applications, all substitutes are functionally equivalent.

Q: Why does the original part show as obsolete?

A: The 0230002.HXSW is classified as obsolete due to its non-compliance with current RoHS3 environmental standards and limited regulatory certifications. All active substitute parts meet modern compliance requirements and carry expanded approval certifications (CE, CSA, PSE, UL).

Q: Are there any packaging differences between substitute parts?

A: All substitute parts are supplied in bulk packaging. The original 0230002.HXSW was supplied with non-standard packaging designation. Packaging format does not affect electrical or mechanical compatibility.

Q: Which substitute part should I select for new designs?

A: For new designs requiring 100 A AC breaking capacity matching the original specification, select 0230002.VXP or 0230002.VXSP. For applications where 35 A AC breaking capacity is sufficient, 0230002.MXP offers the highest inventory availability. All selections must be validated against specific circuit protection requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message