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STMicroelectronics · Discrete semiconductors

BUT100

TRANS NPN 125V 50A TO3

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BUT100 component illustration
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BUT100 specifications

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

ManufacturerSTMicroelectronics
Ordering codeBUT100
FamilyDiscrete semiconductors
PackageTO-204AA, TO-3
Product StatusObsolete
Transistor TypeNPN
Current - Collector (Ic) (Max)50 A
Voltage - Collector Emitter Breakdown (Max)125 V
Vce Saturation (Max) @ Ib, Ic900mV @ 10A, 100A
Current - Collector Cutoff (Max)1mA
DC Current Gain (hFE) (Min) @ Ic, VceNot provided in source
Power - Max300 W
Frequency - TransitionNot provided in source
Operating Temperature200°C (TJ)
Mounting TypeThrough Hole
Package / CaseTO-204AA, TO-3
Supplier Device PackageTO-3

Documents and evidence

BUT100 ↗

Before sourcing BUT100

  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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