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Littelfuse Inc. 0504020.MXP

FUSE CERM 20A 500VAC 420VDC 3AB

Answer first: this page is a purchasing reference for the exact part number 0504020.MXP from Littelfuse Inc.. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: Littelfuse Inc. Category: Fuses Part number: 0504020.MXP Package: RFQ verification required

Key Parameters

Part Number0504020.MXP
ManufacturerLittelfuse Inc.
CategoryFuses
series504
packagingBulk
product statusActive
param 1Requires Holder
param 2Cartridge, Ceramic
param 320 A
param 4500 V
param 5420 V
param 6-
param 7200A AC, 400A DC
param 8760.0
param 9CE, cURus
param 10-55°C ~ 125°C
param 11-
param 120.250" Dia x 1.250" L (6.35mm x 31.75mm)

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify 0504020.MXP Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For 0504020.MXP, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.