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Taiwan Semiconductor Corporation SMBJ43CA

TVS DIODE 43VWM 69.4VC DO214AA

Answer first: this page is a purchasing reference for the exact part number SMBJ43CA from Taiwan Semiconductor Corporation. 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: Taiwan Semiconductor Corporation Category: TVS Diodes Part number: SMBJ43CA Package: DO-214AA, SMB RFQ verification required

Key Parameters

Part NumberSMBJ43CA
ManufacturerTaiwan Semiconductor Corporation
CategoryTVS Diodes
packageDO-214AA, SMB
seriesSMBJ
packagingTape & Reel (TR)
product statusActive
param 1Zener
param 2-
param 32
param 443V
param 547.8V
param 669.4V
param 78.7A
param 8600W
param 9Yes
param 10General Purpose
param 11-
param 12-55°C ~ 150°C
param 13-
param 14-
param 15Surface Mount
param 16DO-214AA (SMBJ)

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

How to Verify SMBJ43CA 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 SMBJ43CA, 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.