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STMicroelectronics · TVS Diodes

SMA4F48AY

TVS DIODE 48VWM 100VC SMAFLAT

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SMA4F48AY component illustration
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SMA4F48AY specifications

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

ManufacturerSTMicroelectronics
Ordering codeSMA4F48AY
FamilyTVS Diodes
PackageDO-221AC, SMA Flat Leads
Product StatusObsolete
TypeZener
Unidirectional Channels1
Bidirectional ChannelsNot provided in source
Voltage - Reverse Standoff (Typ)48V (Max)
Voltage - Breakdown (Min)53.2V
Voltage - Clamping (Max) @ Ipp100V
Current - Peak Pulse (10/1000µs)23A (8/20µs)
Power - Peak Pulse400W
Power Line ProtectionNo
ApplicationsAutomotive
Capacitance @ FrequencyNot provided in source
Operating Temperature-55°C ~ 175°C (TJ)
Mounting TypeSurface Mount
Package / CaseDO-221AC, SMA Flat Leads
Supplier Device PackageSMAflat

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Before sourcing SMA4F48AY

  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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