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STMicroelectronics STB120N4LF6

MOSFET N-CH 40V 80A D2PAK

Answer first: this page is a purchasing reference for the exact part number STB120N4LF6 from STMicroelectronics. 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: STMicroelectronics Category: FETs, MOSFETs Part number: STB120N4LF6 Package: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB RFQ verification required

Key Parameters

Part NumberSTB120N4LF6
ManufacturerSTMicroelectronics
CategoryFETs, MOSFETs
packageTO-263-3, D2PAK (2 Leads + Tab), TO-263AB
seriesDeepGATE™, STripFET™ VI
packagingTape & Reel (TR)
product statusActive
param 1N-Channel
param 2MOSFET (Metal Oxide)
param 340 V
param 480A (Tc)
param 55V, 10V
param 64mOhm @ 40A, 10V
param 73V @ 250µA
param 880 nC @ 10 V
param 9±20V
param 104300 pF @ 25 V
param 11-
param 12110W (Tc)
param 13-55°C ~ 175°C (TJ)
param 14Automotive
param 15AEC-Q101
param 16Surface Mount
param 17TO-263 (D2PAK)

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

How to Verify STB120N4LF6 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 STB120N4LF6, 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.