Equivalent & Substitute Parts for 02163.15MXEP

Part Overview

The Littelfuse 02163.15MXEP is a 3.15 A ceramic cartridge fuse rated for 250 V AC/DC operation in a 5mm x 20mm through-hole package. This fast-blow fuse is designed for circuit protection applications requiring rapid response to overcurrent conditions. The part is active in production and widely stocked, with 3,100 units available. Alternative equivalent parts may be required due to supply chain considerations, regional availability, or specific application requirements.

Substiute Parts

02163.15MXEP

Littelfuse Inc.In Stock: 313402163.15MXEP Datasheet

Current PartRFQ

0001.1009.PT

SCHURTER Inc.In Stock: 33040001.1009.PT Datasheet

DirectRFQ

5HFP 3.15-R

Bel Fuse Inc.In Stock: 16495HFP 3.15-R Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 02163.15MXEP is determined by strict equivalence across the following critical parameters:

• Current Rating: 3.15 A (exact match required)
• Voltage Rating: 250 V AC (exact match required)
• Package / Case: 5mm x 20mm (Axial) (exact match required)
• Fuse Type: Cartridge, Ceramic (exact match required)
• Response Time: Fast Blow (exact match required)
• Mounting Type: Through Hole (exact match required)
• Breaking Capacity: 1.5 kA (exact match required)
• Operating Temperature Range: -55°C to 125°C (exact match required)

The following parts meet all substitution criteria and are classified as direct equivalents:

1. SCHURTER 0001.1009.PT
2. Bel Fuse 5HFP 3.15-R

Parameter Comparison

Engineering Selection Recommendations

All three parts are active products with ROHS3 compliance and meet the core electrical and mechanical substitution criteria. Selection should be based on the following factors:

Littelfuse 02163.15MXEP: Offers the broadest regulatory approval coverage, including UL, VDE, CSA, KC, and PSE certifications. Suitable for applications requiring comprehensive global compliance documentation.

SCHURTER 0001.1009.PT: Provides cURus certification with equivalent electrical performance. Slightly smaller diameter (5.40mm vs. 5.80mm) may offer advantages in space-constrained applications while maintaining full axial length compatibility.

Bel Fuse 5HFP 3.15-R: Delivers comprehensive regulatory approvals including cULus and IMQ certifications. Slightly shorter length (21.00mm vs. 22.50mm) and lower DC cold resistance (0.031 Ohms) may be advantageous in specific circuit designs.

Frequently Asked Questions (FAQ)

Q: Can these parts be used interchangeably in all applications? A: Yes, all three parts meet identical electrical specifications (3.15 A, 250 V AC, fast-blow response, 1.5 kA breaking capacity) and are mechanically compatible in 5mm x 20mm through-hole footprints. Physical dimension variations are minor and do not affect standard PCB mounting.

Q: What is the significance of the Melting I²t values? A: Melting I²t indicates the thermal energy required to melt the fuse element. The Littelfuse part (6.7) and SCHURTER part (6.78) are closely matched, while the Bel Fuse part (12) has a higher value. All three maintain fast-blow response characteristics and meet the 1.5 kA breaking capacity requirement.

Q: Which part should I select for international applications? A: The Littelfuse 02163.15MXEP offers the most extensive regulatory approvals (CCC, CE, CSA, KC, PSE, SEMKO, UL, VDE), making it the preferred choice for multi-region deployment. The Bel Fuse 5HFP 3.15-R provides strong coverage with cULus and IMQ certifications.

Q: Are there any physical mounting differences? A: Minor dimensional variations exist: Littelfuse (5.80mm diameter), SCHURTER (5.40mm diameter), and Bel Fuse (5.50mm diameter). All maintain the standard 5mm x 20mm package classification and are compatible with standard fuse holders designed for this form factor.

Q: What is the DC Cold Resistance specification used for? A: DC Cold Resistance affects circuit behavior during normal operation and influences voltage drop across the fuse. The Littelfuse part (0.0368 Ohms) and Bel Fuse part (0.031 Ohms) are closely matched. SCHURTER does not specify this parameter in the provided data.