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Fairchild Semiconductor KSA1281YTA

TRANS PNP 50V 2A TO-92-3

Answer first: this page is a purchasing reference for the exact part number KSA1281YTA 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 Category: Single Bipolar Transistors Part number: KSA1281YTA Package: TO-226-3, TO-92-3 Long Body, Formed Leads RFQ verification required

Key Parameters

Part NumberKSA1281YTA
ManufacturerFairchild Semiconductor
CategorySingle Bipolar Transistors
packageTO-226-3, TO-92-3 Long Body, Formed Leads
series-
packagingBulk
product statusActive
param 1PNP
param 22 A
param 350 V
param 4500mV @ 50mA, 1A
param 5100nA (ICBO)
param 6120 @ 500mA, 2V
param 71 W
param 8100MHz
param 9150°C (TJ)
param 10-
param 11-
param 12Through Hole
param 13TO-92-3

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

How to Verify KSA1281YTA 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 KSA1281YTA, 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.