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STMicroelectronics · TVS Diodes

SMB15F18A

TVS DIODE 18VWM 39.3VC SMBFLAT

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SMB15F18A component illustration
Component illustration · verify actual package in documentation.

SMB15F18A specifications

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

ManufacturerSTMicroelectronics
Ordering codeSMB15F18A
FamilyTVS Diodes
PackageDO-221AA, SMB Flat Leads
Product StatusObsolete
TypeZener
Unidirectional Channels1
Bidirectional ChannelsNot provided in source
Voltage - Reverse Standoff (Typ)18V (Max)
Voltage - Breakdown (Min)20V
Voltage - Clamping (Max) @ Ipp39.3V
Current - Peak Pulse (10/1000µs)254A (8/20µs)
Power - Peak Pulse1500W (1.5kW)
Power Line ProtectionNo
ApplicationsGeneral Purpose
Capacitance @ FrequencyNot provided in source
Operating Temperature-55°C ~ 175°C (TJ)
Mounting TypeSurface Mount
Package / CaseDO-221AA, SMB Flat Leads
Supplier Device PackageSMBflat

Documents and evidence

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Before sourcing SMB15F18A

  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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