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onsemi FS6X1220RJ

IC OFFLINE SW MULT TOP D2PAK-6

Answer first: this page is a purchasing reference for the exact part number FS6X1220RJ from onsemi. 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: onsemi Category: AC DC Converters, Offline Switches Part number: FS6X1220RJ Package: TO-263-7, D2PAK (6 Leads + Tab), TO-263CB RFQ verification required

Key Parameters

Part NumberFS6X1220RJ
Manufactureronsemi
CategoryAC DC Converters, Offline Switches
packageTO-263-7, D2PAK (6 Leads + Tab), TO-263CB
seriesFPS™
packagingTape & Reel (TR)
product statusObsolete
param 1Isolated
param 2Yes
param 3200V
param 4Flyback, Forward
param 515 V
param 69V ~ 35V
param 780%
param 8300kHz
param 936 W
param 10Current Limiting, Over Load, Over Temperature, Over Voltage
param 11-
param 12-25°C ~ 85°C (TA)
param 13-
param 14-
param 15D2PAK-6
param 16Surface Mount

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

How to Verify FS6X1220RJ 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 FS6X1220RJ, 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.