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STMicroelectronics · Discrete semiconductors

SD1477

RF TRANS NPN 18V M111

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SD1477 component illustration
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SD1477 specifications

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

ManufacturerSTMicroelectronics
Ordering codeSD1477
FamilyDiscrete semiconductors
PackageM111
Product StatusObsolete
Transistor TypeNPN
Voltage - Collector Emitter Breakdown (Max)18V
Frequency - TransitionNot provided in source
Noise Figure (dB Typ @ f)Not provided in source
Gain6dB
Power - Max270W
DC Current Gain (hFE) (Min) @ Ic, Vce10 @ 5A, 5V
Current - Collector (Ic) (Max)20A
Operating Temperature200°C (TJ)
Mounting TypeSurface Mount
Package / CaseM111
Supplier Device PackageM111

Documents and evidence

SD1477 ↗

Catalog sources

www.ic-components.com · SD1477 ↗

Source directory identity match; source detail pending. Specifications remain from existing catalog.

Before sourcing SD1477

  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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Questions about SD1477

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