Home / Products / TVS Diodes / STMicroelectronics / SM6T47AY

STMicroelectronics SM6T47AY

TVS DIODE 40VWM 64.5VC SMB

Answer first: this page is a purchasing reference for the exact part number SM6T47AY 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: TVS Diodes Part number: SM6T47AY Package: DO-214AA, SMB RFQ verification required

Key Parameters

Part NumberSM6T47AY
ManufacturerSTMicroelectronics
CategoryTVS Diodes
packageDO-214AA, SMB
seriesSM6TY, TRANSIL™
packagingTape & Reel (TR)
product statusActive
param 1Zener
param 21
param 3-
param 440V
param 544V
param 664.5V
param 79.7A
param 8600W
param 9No
param 10-
param 11-
param 12-55°C ~ 150°C (TJ)
param 13Automotive
param 14AEC-Q101
param 15Surface Mount
param 16SMB

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

How to Verify SM6T47AY 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 SM6T47AY, 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.