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Power Integrations TNY287KG

IC OFFLINE SWITCH FLYBACK 12ESOP

Answer first: this page is a purchasing reference for the exact part number TNY287KG from Power Integrations. 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: Power Integrations Part number: TNY287KG Package: 12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad RFQ verification required

Key Parameters

Part NumberTNY287KG
ManufacturerPower Integrations
CategoryAC DC Converters, Offline Switches
package12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad
seriesTinySwitch®-4
packagingTube
product statusDiscontinued at Digi-Key
param 1Isolated
param 2Yes
param 3725V
param 4Flyback
param 5-
param 6-
param 767%
param 8124kHz ~ 140kHz
param 918 W
param 10Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit
param 11EN
param 12-40°C ~ 150°C (TJ)
param 13-
param 14-
param 1512-ESOP
param 16Surface Mount

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

How to Verify TNY287KG 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 TNY287KG, 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.