LIANYIXIN · INDEPENDENT COMPONENT STORE
English / USD quote

STMicroelectronics · Discrete semiconductors

MMBT3904

TRANS NPN 40V 0.2A SOT23-3

STM32-first sourcing with STMicroelectronics support components. Review recorded cores, flash, RAM, connectivity and package facts before moving an approved design into production.

Request this exact part →
MMBT3904 component illustration
Component illustration · verify actual package in documentation.

MMBT3904 specifications

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

ManufacturerSTMicroelectronics
Ordering codeMMBT3904
FamilyDiscrete semiconductors
PackageTO-236-3, SC-59, SOT-23-3
Product StatusObsolete
Transistor TypeNPN
Current - Collector (Ic) (Max)200 mA
Voltage - Collector Emitter Breakdown (Max)40 V
Vce Saturation (Max) @ Ib, Ic200mV @ 5mA, 50mA
Current - Collector Cutoff (Max)Not provided in source
DC Current Gain (hFE) (Min) @ Ic, Vce100 @ 10mA, 1V
Power - Max350 mW
Frequency - Transition270MHz
Operating Temperature150°C (TJ)
Mounting TypeSurface Mount
Package / CaseTO-236-3, SC-59, SOT-23-3
Supplier Device PackageSOT-23-3

Documents and evidence

MMBT3904 ↗

Before sourcing MMBT3904

  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
STM32 Peripheral Studio →

Questions about MMBT3904

How do I request a current price?

Provide this full code, quantity, destination and arrival date. Budget estimates are conditional; final availability and price are confirmed by quotation.

Can a related record replace this device?

Related records aid discovery. Package, pinout, ratings, tooling and software require engineering approval before substitution.

Continue your Discrete semiconductors review

Filter this family → · Selection resources · Upload your BOM