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onsemi NCP1253ASN100T1G

IC OFFLINE SWITCH FLYBACK 6TSOP

Answer first: this page is a purchasing reference for the exact part number NCP1253ASN100T1G 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: NCP1253ASN100T1G Package: SOT-23-6 Thin, TSOT-23-6 RFQ verification required

Key Parameters

Part NumberNCP1253ASN100T1G
Manufactureronsemi
CategoryAC DC Converters, Offline Switches
packageSOT-23-6 Thin, TSOT-23-6
series-
packagingTape & Reel (TR)
product statusObsolete
param 1Isolated
param 2No
param 3-
param 4Flyback
param 518 V
param 68.8V ~ 28V
param 780%
param 8100kHz
param 9-
param 10Over Voltage, Short Circuit
param 11-
param 12-40°C ~ 125°C (TJ)
param 13-
param 14-
param 156-TSOP
param 16Surface Mount

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

How to Verify NCP1253ASN100T1G 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 NCP1253ASN100T1G, 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.