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STMicroelectronics · Discrete semiconductors

STD845DN40

TRANS 2NPN 400V 4A 8DIP

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STD845DN40 component illustration
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STD845DN40 specifications

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

ManufacturerSTMicroelectronics
Ordering codeSTD845DN40
FamilyDiscrete semiconductors
Package8-DIP (0.300", 7.62mm)
Product StatusObsolete
Transistor Type2 NPN (Dual)
Current - Collector (Ic) (Max)4A
Voltage - Collector Emitter Breakdown (Max)400V
Vce Saturation (Max) @ Ib, Ic500mV @ 1A, 4A
Current - Collector Cutoff (Max)250µA
DC Current Gain (hFE) (Min) @ Ic, Vce12 @ 2A, 5V
Power - Max3W
Frequency - TransitionNot provided in source
Operating Temperature150°C (TJ)
Mounting TypeThrough Hole
Package / Case8-DIP (0.300", 7.62mm)
Supplier Device Package8-DIP

Documents and evidence

STD845DN40 ↗

Catalog sources

www.ic-components.com · STD845DN40 ↗

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

Before sourcing STD845DN40

  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 STD845DN40

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