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STMicroelectronics · Discrete semiconductors

BULD128DT4

TRANS NPN DPAK

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BULD128DT4 component illustration
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BULD128DT4 specifications

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

ManufacturerSTMicroelectronics
Ordering codeBULD128DT4
FamilyDiscrete semiconductors
PackageTO-252-3, DPak (2 Leads + Tab), SC-63
Product StatusActive
Transistor TypeNPN
Current - Collector (Ic) (Max)Not provided in source
Voltage - Collector Emitter Breakdown (Max)Not provided in source
Vce Saturation (Max) @ Ib, IcNot provided in source
Current - Collector Cutoff (Max)Not provided in source
DC Current Gain (hFE) (Min) @ Ic, VceNot provided in source
Power - MaxNot provided in source
Frequency - TransitionNot provided in source
Operating TemperatureNot provided in source
Mounting TypeSurface Mount
Package / CaseTO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device PackageDPAK

Documents and evidence

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Catalog sources

www.ic-components.com · BULD128DT4 ↗

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

Before sourcing BULD128DT4

  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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