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Keystone Electronics 3559

FUSE HOLDER BLADE 20A IN LINE

Answer first: this page is a purchasing reference for the exact part number 3559 from Keystone Electronics. 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: Keystone Electronics Category: Fuseholders Part number: 3559 Package: RFQ verification required

Key Parameters

Part Number3559
ManufacturerKeystone Electronics
CategoryFuseholders
series-
packagingBulk
product statusActive
param 1Free Hanging (In-Line)
param 20.75" L x 0.2" W (19.1mm x 5.1mm)
param 320 A
param 4ATC, ATO
param 5Blade
param 6Holder
param 71
param 8-
param 9-
param 10Wire Leads
param 11Brass
param 12Tin
param 13-

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

How to Verify 3559 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 3559, 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.