Littelfuse 0315.100VXP Glass Cartridge Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 0315.100VXP is a 100 mA, 250 V AC/DC slow-blow glass cartridge fuse in 3AB/3AG package format (1/4" x 1-1/4" axial). This component is classified as Active product status and is designed for through-hole mounting applications requiring circuit protection with slow-blow response characteristics. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or inventory requirements necessitate alternative sourcing from qualified manufacturers meeting identical electrical and mechanical specifications.

Substiute Parts

0315.100VXP

Littelfuse Inc.In Stock: 11980315.100VXP Datasheet

Current PartRFQ

0315.100HXP

Littelfuse Inc.In Stock: 11000315.100HXP Datasheet

Parametric EquivalentRFQ

BK/MDL-V-1/10-R

Eaton - Electronics DivisionIn Stock: 766BK/MDL-V-1/10-R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 0315.100VXP are qualified based on strict equivalence across the following critical parameters:

• Current Rating: 100 mA (exact match required)
• Voltage Rating (AC): 250 V (exact match required)
• Response Time: Slow Blow (exact match required)
• Package / Case: 3AB, 3AG, 1/4" x 1-1/4" (Axial) (exact match required)
• Fuse Type: Cartridge, Glass (exact match required)
• Mounting Type: Through Hole (exact match required)
• Breaking Capacity @ Rated Voltage: 35 A (exact match required)
• Approval Agencies: CE, CSA, UL (all certifications present)

Two substitute parts meet these criteria: the Littelfuse 0315.100HXP (parametric equivalent from the same manufacturer) and the Eaton BK/MDL-V-1/10-R (manufacturer-recommended equivalent from Eaton - Electronics Division).

Parameter Comparison

Engineering Selection Recommendations

All three parts—Littelfuse 0315.100VXP, Littelfuse 0315.100HXP, and Eaton BK/MDL-V-1/10-R—are Active product status and carry CE, CSA, and UL certifications. Both Littelfuse variants maintain ROHS3 compliance, while the Eaton part is RoHS compliant. Selection between these parts is determined by availability and supply chain requirements, as all three meet identical electrical specifications, mechanical dimensions, and regulatory approval standards for 100 mA, 250 V AC/DC slow-blow glass cartridge fuse applications in 3AB/3AG package format.

Frequently Asked Questions (FAQ)

Q: Can the Littelfuse 0315.100HXP be used as a direct replacement for the 0315.100VXP?

A: Yes. Both parts are manufactured by Littelfuse, share identical electrical ratings (100 mA, 250 V AC/DC), response time (slow blow), package format (3AB, 3AG, 1/4" x 1-1/4" axial), and regulatory certifications (CE, CSA, UL). They are parametric equivalents.

Q: Is the Eaton BK/MDL-V-1/10-R compatible with circuits designed for the Littelfuse 0315.100VXP?

A: Yes. The Eaton part meets all critical electrical and mechanical parameters: 100 mA current rating, 250 V AC voltage rating, slow-blow response, 3AB/3AG package format, 35 A breaking capacity, and CE, CSA, UL certifications. Physical dimensions are within acceptable tolerance for through-hole mounting applications.

Q: What are the key parameters that determine substitutability for this fuse?

A: Current rating (100 mA), voltage rating (250 V AC), response time (slow blow), package format (3AB, 3AG, 1/4" x 1-1/4" axial), fuse type (cartridge, glass), mounting type (through hole), breaking capacity (35 A), and regulatory certifications (CE, CSA, UL) must all match exactly for substitution.

Q: Are there differences in DC cold resistance between these parts?

A: Yes. The Littelfuse 0315.100VXP and 0315.100HXP both have 43 Ohms DC cold resistance, while the Eaton BK/MDL-V-1/10-R has 15.68 Ohms. This parameter difference does not affect substitutability for standard circuit protection applications.

Q: Do all three parts have the same melting I²t value?

A: No. The Littelfuse parts (0315.100VXP and 0315.100HXP) have a melting I²t of 0.085, while the Eaton BK/MDL-V-1/10-R has 0.042. Both values are within acceptable ranges for 100 mA slow-blow fuses and do not prevent substitution.