Littelfuse 023901.6VXEP Glass Cartridge Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 023901.6VXEP is a 1.6 A, 250 V AC/DC slow-blow glass cartridge fuse in 5mm x 20mm (axial) through-hole package. This component is designed for circuit protection in applications requiring controlled response time characteristics. The part maintains active product status with full regulatory compliance across multiple approval agencies. Substitute parts are identified when equivalent electrical and mechanical parameters are required for design flexibility, inventory management, or supply chain continuity.

Substiute Parts

023901.6VXEP

Littelfuse Inc.In Stock: 982023901.6VXEP Datasheet

Current PartRFQ

023901.6MXEP

Littelfuse Inc.In Stock: 2229023901.6MXEP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 023901.6VXEP are identified based on strict equivalence of the following critical parameters:

• Current Rating: 1.6 A
• Voltage Rating (AC): 250 V
• Response Time: Slow Blow
• Package / Case: 5mm x 20mm (Axial)
• Fuse Type: Cartridge, Glass
• Mounting Type: Through Hole
• Breaking Capacity @ Rated Voltage: 100 A
• Melting I²t: 30.43
• Operating Temperature Range: -55°C to 125°C
• DC Cold Resistance: 0.1205 Ohms
• Regulatory Compliance: CE, CSA, KC, PSE, UL

The substitute part 023901.6MXEP meets all these parameters identically, establishing it as a direct parametric equivalent within the Littelfuse 239 series.

Parameter Comparison

Engineering Selection Recommendations

Both the 023901.6VXEP and 023901.6MXEP are active products from Littelfuse Inc. with identical electrical and mechanical specifications. Selection between these parts may be based on inventory availability and supply chain requirements. The 023901.6MXEP currently maintains higher stock levels (2134 pcs vs. 917 pcs), which may provide supply chain advantages for high-volume applications. Both parts carry equivalent regulatory certifications (CE, CSA, KC, PSE, UL) and RoHS3 compliance, ensuring interchangeability in regulated applications. No performance differentiation exists between these parts based on provided specifications.

Frequently Asked Questions (FAQ)

Q: Can 023901.6MXEP be used as a direct replacement for 023901.6VXEP?

A: Yes. Both parts are parametrically identical across all critical specifications including current rating, voltage rating, response time, package dimensions, breaking capacity, and thermal characteristics. They are interchangeable in circuit design and PCB layout.

Q: Are there any differences in regulatory compliance between these parts?

A: No. Both parts carry identical approval certifications (CE, CSA, KC, PSE, UL) and maintain ROHS3 compliance status, meeting the same regulatory requirements.

Q: What determines substitutability for this fuse category?

A: Substitutability is determined by equivalence in current rating (1.6 A), voltage rating (250 V AC), response time (Slow Blow), package dimensions (5mm x 20mm axial), fuse type (Cartridge, Glass), breaking capacity (100 A), melting I²t (30.43), and operating temperature range (-55°C to 125°C).

Q: Does package or case dimension differ between these parts?

A: No. Both parts use identical 5mm x 20mm (axial) through-hole package specifications with matching physical dimensions of 0.217" Dia x 0.846" L (5.50mm x 21.50mm).

Q: Are there inventory considerations for part selection?

A: The 023901.6MXEP maintains higher current inventory (2134 pcs) compared to the 023901.6VXEP (917 pcs). For applications with extended lead time requirements or high-volume production, the substitute part may offer supply chain advantages.