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Ampleon USA Inc. BLF640U

RF MOSFET LDMOS 28V 2CSMD

Answer first: this page is a purchasing reference for the exact part number BLF640U from Ampleon USA Inc.. 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: Ampleon USA Inc. Part number: BLF640U Package: SOT-538A RFQ verification required

Key Parameters

Part NumberBLF640U
ManufacturerAmpleon USA Inc.
CategorySingle FETs, MOSFETs
packageSOT-538A
series-
packagingTray
product statusObsolete
param 1LDMOS
param 2-
param 32.11GHz ~ 2.17GHz
param 418.5dB
param 528 V
param 6-
param 7-
param 8100 mA
param 9700mW
param 1065 V
param 11-
param 12-
param 13Surface Mount
param 142-CSMD

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

How to Verify BLF640U 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 BLF640U, 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.