onsemi Single Bipolar Transistors MMBT3904K

Bipolar (BJT) Transistor NPN 40V 200mA 300MHz 350mW Surface Mount SOT-23-3

Manufacturer: Fairchild/ON Semiconductor
Win Source Part Number: 095867-MMBT3904K
Packaging: Reel - TR
Mounting: SMD (SMT)
Frequency - Transition: 300MHz
Transistor Polarity: NPN
Categories: Discrete Semiconductor Products
Status: Obsolete(EOL)
Temperature Range - Operating: -55°C to 150°C (TJ)
Case / Package: SOT-23-3
Maximum Current Collector: 200mA
VCEO Maximum Collector-Emitter Breakdown Voltage: 40V
Max Vce (sat): 300mV @ 5mA, 50mA
Typical Gain (hFE) (Min): 100 @ 10mA, 1V
Maximum Power Dissipation: 350mW
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 71 pct.
Supply and Demand Status: Balance

NPN BJT Transistor 40V 200mA 300MHz SOT-23 Product overview: MMBT3904K from onsemi is a Bipolar Transistor for signal amplification, switching, driver stages, discrete power control, and general electronic circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 40V, 200mA, 300MHz, SOT-23. Search-friendly keywords include transistor, BJT, switching, amplification, 40V, 200mA, 300MHz, SOT-23, Bipolar Transistor, Single Bipolar Transistors. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 276-MMBT3904K can be used for catalog matching and distributor lookup.