Littelfuse 0230.500VXSP Glass Cartridge Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 0230.500VXSP is a 500 mA glass cartridge fuse rated for 250 V AC and 125 V DC operation. This through-hole mounted fuse is designed for circuit protection in applications requiring slow-blow response characteristics. The part maintains Active product status with full compliance to CE, CSA, and UL approval agencies. Substitute parts are identified when equivalent electrical ratings, mechanical dimensions, and performance characteristics align with the original specification, enabling direct replacement in circuit designs without modification.

Substiute Parts

0230.500VXSP

Littelfuse Inc.In Stock: 9870230.500VXSP Datasheet

Current PartRFQ

0230.500HXP

Littelfuse Inc.In Stock: 11680230.500HXP Datasheet

Parametric EquivalentRFQ

0230.500MXP

Littelfuse Inc.In Stock: 20010230.500MXP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 0230.500VXSP are qualified based on strict electrical and mechanical parameter equivalence. The following parameters determine substitution eligibility:

• Current Rating: 500 mA (exact match required)
• Voltage Rating - AC: 250 V (exact match required)
• Voltage Rating - DC: 125 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)
• Size / Dimension: 0.177" Dia x 0.571" L (4.50mm x 14.50mm) (exact match required)
• Breaking Capacity @ Rated Voltage: 35A AC, 10kA DC (exact match required)
• Melting I²t: 1.16 (exact match required)
• Operating Temperature Range: -55°C ~ 125°C (exact match required)
• Approval Agency: CE, CSA, UL (exact match required)

The substitute parts 0230.500HXP and 0230.500MXP meet all specified electrical and mechanical parameters, enabling direct functional replacement in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

All three parts—0230.500VXSP, 0230.500HXP, and 0230.500MXP—are Active products manufactured by Littelfuse Inc. with identical electrical specifications, mechanical dimensions, and regulatory certifications. Selection among these parts may be based on inventory availability and lead time considerations. All parts carry CE, CSA, and UL approvals and maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory conformance across applications.

Frequently Asked Questions (FAQ)

Q: Can 0230.500HXP or 0230.500MXP be used as direct replacements for 0230.500VXSP?

A: Yes. Both parts are parametric equivalents with identical current ratings (500 mA), voltage ratings (250 V AC, 125 V DC), fuse type (Cartridge, Glass), response time (Slow Blow), mechanical dimensions (0.177" Dia x 0.571" L), breaking capacity (35A AC, 10kA DC), and operating temperature range (-55°C ~ 125°C). Direct substitution is supported without circuit modification.

Q: Are there any differences in approval certifications between these parts?

A: No. All three parts carry identical approval certifications: CE, CSA, and UL. RoHS3 compliance and REACH Unaffected status are consistent across all parts.

Q: What determines whether a fuse can substitute for the 0230.500VXSP?

A: Substitution requires exact equivalence in current rating, AC and DC voltage ratings, fuse type, response time, package dimensions, breaking capacity, melting I²t value, and operating temperature range. Any deviation in these parameters disqualifies a part from substitution.

Q: Are these parts suitable for both AC and DC circuit applications?

A: Yes. All three parts are rated for 250 V AC and 125 V DC operation, enabling use in both AC and DC circuit protection applications within the specified voltage limits.

Q: What is the significance of the 0.6935 Ohms DC cold resistance specification?

A: DC cold resistance defines the fuse element's resistance at room temperature under no-load conditions. This value is consistent across all three parts at 0.6935 Ohms, ensuring equivalent electrical behavior in circuit operation.