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STMicroelectronics · TVS Diodes

SM30T30CAY

TVS DIODE 26VWM 42.1VC SMC

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SM30T30CAY component illustration
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SM30T30CAY specifications

Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.

ManufacturerSTMicroelectronics
Ordering codeSM30T30CAY
FamilyTVS Diodes
PackageDO-214AB, SMC
Product StatusActive
TypeZener
Unidirectional ChannelsNot provided in source
Bidirectional Channels1
Voltage - Reverse Standoff (Typ)26V
Voltage - Breakdown (Min)28.9V
Voltage - Clamping (Max) @ Ipp42.1V
Current - Peak Pulse (10/1000µs)71.3A
Power - Peak Pulse3000W (3kW)
Power Line ProtectionNo
ApplicationsAutomotive
Capacitance @ FrequencyNot provided in source
Operating Temperature-55°C ~ 175°C (TJ)
Mounting TypeSurface Mount
Package / CaseDO-214AB, SMC
Supplier Device PackageSMC

Documents and evidence

SM30T30CAY ↗

Before sourcing SM30T30CAY

  1. Identify the firmware and board baseline
  2. Check flash, RAM and required peripherals
  3. Review pin assignment and supply limits
  4. Keep the full temperature and package suffix
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