Manufacturer Part Number
MMBT3904K
Manufacturer
onsemi
Introduction
The MMBT3904K is a general-purpose NPN bipolar junction transistor (BJT) in a SOT-23-3 package. It is suitable for a wide range of switching and amplification applications.
Product Features and Performance
High current gain (hFE)
High transition frequency (fT)
Low collector-emitter saturation voltage (VCE(sat))
Suitable for switching and amplification applications
Operates over a wide temperature range (-55°C to 150°C)
Product Advantages
Compact surface mount package
High reliability and ruggedness
Cost-effective solution for general-purpose applications
Key Technical Parameters
Manufacturer Part Number: MMBT3904K
Package: SOT-23-3
Transistor Type: NPN
Collector-Emitter Breakdown Voltage (VCEO): 40V
Collector Current (IC): 200mA
Power Dissipation: 350mW
Current Gain (hFE): 100 (min) @ 10mA, 1V
Transition Frequency (fT): 300MHz
Quality and Safety Features
Meets industry-standard quality and reliability requirements
RoHS-compliant and lead-free
Compatibility
Interchangeable with standard MMBT3904 transistor
Application Areas
General-purpose switching and amplification circuits
Computer and consumer electronics
Industrial control systems
Telecommunications equipment
Product Lifecycle
This product is currently in active production and is not nearing discontinuation.
Replacement or upgrade options are available from onsemi.
Key Reasons to Choose This Product
Reliable and well-established performance in a wide range of applications
Compact surface mount package for efficient board design
Cost-effective solution for general-purpose transistor needs
Availability of replacement and upgrade options from the manufacturer