MMBT3904 NPN switching transistor

The MMBT3904 is a NPN General Purpose Amplifier. This device is designed as a general purpose amplifier and switch. The useful dynamic range extends to 100 mA as a switch and to 100 MHz as an amplifier.

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Absolute maximum ratings: (1)Collector-Emitter Voltage: 40 V; (2)Collector-Base Voltage: 60 V; (3)Emitter-Base Voltage: 6.0 V; (4)Collector Current - Continuous: 200 mA; (5)Operating and Storage Junction Temperature Range: -55 to +150 ℃.

Features: (1)Collector-Emitter Breakdown Voltage: 40 V at IC = 1.0 mA, IB = 0; (2)Collector-Base Breakdown Voltage: 60 V at IC = 10 μA, IE = 0; (3)Emitter-Base Breakdown Voltage: 6.0 V at IE = 10 μA, IC = 0; (4)Collector Cutoff Current: 50 nA at VCE = 30 V, VEB = 3V.

Popular Transistors MMBT3904

This is the MMBT3904 NPN SMT Transistor Design Kit. It includes the very popular SMT version of the 2N3904, General Purpose NPN Transistor: MMBT3904. This was one of the most popular transistors used in all kinds of circuits for years and years. It was designed for general purpose amplifiers with a 500 milliamp Collector current requirement. This kit also includes a few pieces of the MMBT3906 (PNP) which is the complement to the MMBT3904 (NPN) and a SMT Voltage Regulator, LM317M in the SMT package. 


This kit also includes a tremendous amount of different SMT components that you would use to develop numerous circuits. Included are different values of SMT Transistors, SMT Resistors, SMT Aluminum, Ceramic & Tantalum Capacitors, SMT Inductors, SMT Signal (Single & Dual) & Zener Diodes, SMT Trimpots, SMT LEDs, Pushbutton Switches, an Electret Microphone, and a miniature Speaker. It also includes some electronic hardware that are used in most projects for I/O.