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Fairchild Semiconductor KA555IDTF

1 FUNC, BIPOLAR, PDSO8

Answer first: this page is a purchasing reference for the exact part number KA555IDTF from Fairchild Semiconductor. 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: Fairchild Semiconductor Part number: KA555IDTF Package: 8-SOIC (0.154", 3.90mm Width) RFQ verification required

Key Parameters

Part NumberKA555IDTF
ManufacturerFairchild Semiconductor
CategoryProgrammable Timers and Oscillators
package8-SOIC (0.154", 3.90mm Width)
series-
packagingBulk
product statusObsolete
param 1555 Type, Timer/Oscillator (Single)
param 2-
param 3-
param 44.5V ~ 16V
param 57.5 mA
param 6-40°C ~ 85°C
param 78-SOIC
param 8Surface Mount
param 9-
param 10-

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

How to Verify KA555IDTF 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 KA555IDTF, 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.