Bipolar (BJT) Transistor NPN 25V 500 mA 150MHz 300 mW Surface Mount SOT-23 #commonpartslibrary #transistor #bjt

Bipolar (BJT) Transistor NPN 40V 200 mA 300MHz 300 mW Surface Mount SOT-23-3 (TO-236) The MMBT3904LT1G is a general-purpose NPN bipolar junction transistor designed for switching and amplification applications. It is housed in a compact SOT-23 surface-mount package, making it suitable for high-density PCB designs. This transistor is widely used in low-power signal processing, digital switching, and analog amplification circuits due to its reliable performance and fast switching characteristics. Key Features General-purpose NPN transistor Compact SOT-23 surface-mount package Fast switching speed Low saturation voltage Suitable for low-current and low-power applications High reliability and stability Pb-free, Halogen-free, and RoHS compliant Electrical Characteristics (Typical @ 25°C unless otherwise specified) Collector-Emitter Voltage (VCEO): 40 V Collector-Base Voltage (VCBO): 60 V Emitter-Base Voltage (VEBO): 6 V Collector Current (IC): 200 mA (max) DC Current Gain (hFE): 100 – 300 Collector-Emitter Saturation Voltage (VCE(sat)): 0.2 V (typ) Transition Frequency (fT): ~300 MHz Absolute Maximum Ratings Collector Current (Continuous): 200 mA Power Dissipation: ~225 mW Junction Temperature: +150°C (max) Operating Temperature Range: -55°C to +150°C Storage Temperature Range: -55°C to +150°C Mechanical Characteristics Package Type: SOT-23 (TO-236AB) Mounting Type: Surface Mount Number of Pins: 3 Marking Code: Dependent on lot/manufacturer marking Applications General-purpose switching circuits Signal amplification Digital logic interfacing LED drivers and small load switching Audio and RF signal processing #CommonPartsLibrary #TransistorBJT #MMBT2222

Bipolar (BJT) Transistor NPN 40V 200 mA 300MHz 625 mW Through Hole TO-92-3 The 2N3904TFR is a general-purpose NPN bipolar junction transistor (BJT) designed for low-power amplification and switching applications. It is widely used in signal processing, small-signal amplification, and digital switching circuits. This transistor offers fast switching speed, low saturation voltage, and reliable performance in a compact surface-mount package, making it suitable for consumer electronics, industrial controls, and embedded systems. Manufacturer Various (commonly ON Semiconductor / onsemi, Diodes Inc., Central Semiconductor) Part Number 2N3904TFR Transistor Type NPN Bipolar Junction Transistor (BJT) Configuration Single Package / Case SOT-23 (TO-236AB) Mounting Style Surface Mount (SMD/SMT) Collector-Emitter Voltage (VCEO) 40 V Collector-Base Voltage (VCBO) 60 V Emitter-Base Voltage (VEBO) 6 V Collector Current (IC) 200 mA (max) Power Dissipation (PD) ~200 mW to 350 mW (package dependent) DC Current Gain (hFE) 100 to 300 (typical, varies with operating conditions) Transition Frequency (fT) ~300 MHz Collector-Emitter Saturation Voltage (VCE(sat)) ~0.2 V (typical at IC = 10 mA, IB = 1 mA) Operating Temperature Range -55°C to +150°C Polarity NPN Packaging Tape & Reel (TFR suffix) RoHS Compliance Compliant #commonpartslibrary #transistor #bjt

Bipolar (BJT) Transistor NPN 40V 200mA 300MHz 300mW Surface Mount SOT-23-3 (TO-236) #commonpartslibrary #transistor #bjt

Bipolar (BJT) Transistor NPN 50V 800mA 300 mW Surface Mount Ceramic SMD #CommonPartsLibrary #Transistors #Bipolar(BJT) #NPN #Darlington #SingleBipolarTransistors #2N2222

Bipolar (BJT) Transistor NPN 40V 600 mA 300MHz 300 mW Surface Mount SOT-23-3 (TO-236) The MMBT2222ALT3G is a NPN general-purpose bipolar junction transistor (BJT) manufactured by onsemi, designed in a SOT-23 surface-mount package. It is the SMD version of the well-known 2N2222A transistor family, used for switching and signal amplification in compact electronic circuits. It is widely used in industrial, automotive (AEC-Q101 qualified variants), and general embedded systems due to its reliability, small size, and good electrical performance. Key Features NPN General-Purpose Transistor Suitable for switching and low-power amplification Collector-Emitter Voltage (Vceo) Up to 40 V Collector Current Up to 600 mA Power Dissipation Around 225–300 mW (depending on package conditions) High Frequency Performance Transition frequency up to ~300 MHz DC Current Gain (hFE) Typically ~100 at moderate currents Low Saturation Voltage Efficient switching performance for digital circuits SOT-23 Surface-Mount Package Compact footprint for modern PCB designs Wide Temperature Range Typically -55°C to +150°C RoHS / Lead-Free Compliant Environmentally compliant manufacturing Typical Applications LED switching circuits Relay driver stages MCU signal interfacing (Arduino, ESP32, etc.) Small motor drivers General signal amplification Automotive and industrial control circuits Important Note MMBT2222ALT3G = SMD version (SOT-23) Equivalent to 2N2222A (TO-92 through-hole version) in function, but not in physical package. 2N2222A SOT-23 #commonpartslibrary #transistor #bjt