双极（BJT）

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BUT30V
TRANS NPN 125V 100A ISOTOP
XP0140100L
TRANS 2PNP 50V 0.1A SMINI5
BC559CTA
TRANS PNP 30V 0.1A TO92-3
MMBT3906LT1G
TRANS PNP 40V 0.2A SOT23-3
MRF5812GR1
RF TRANS NPN 15V 5GHZ 8SO
ULN2803ADW
TRANS 8NPN DARL 50V 0.5A 18SOIC
TIP107
TRANS PNP DARL 100V 8A TO220
PDTC114YT,215
TRANS PREBIAS NPN 50V TO236AB
JANTX2N2222A
TRANS NPN 50V 0.8A TO218
BC857C,215
TRANS PNP 45V 0.1A TO236AB

ULN2803ADWR
TRANS 8NPN DARL 50V 0.5A 18SO
BCM857BS,115
TRANS 2PNP 45V 0.1A 6TSSOP
MJ11032G
TRANS NPN DARL 120V 50A TO204
BC817-25,215
NOW NEXPERIA BC817-25 - SMALL SI
ULN2803ADWRG4
TRANS 8NPN DARL 50V 0.5A 18SOIC
BC817-25,215
TRANS NPN 45V 0.5A TO236AB
BC847BV,115
TRANS 2NPN 45V 0.1A SOT666
NSVUMC2NT1G
TRANS NPN/PNP PREBIAS 0.15W SC70
BC806-16HR
TRANS PNP 80V 0.5A TO236AB
MJE344G
TRANS NPN 200V 0.5A TO126

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关于双极（BJT）

分立双极结型晶体管 (BJT) 广泛用于构建音频和无线电等应用的模拟信号放大电路。在最早批量生产的半导体器件中，与其他器件类型相比，BJT 不太适合高频开关或在高电流/电压下运行。尽管如此，它们仍然是需要精确模拟信号再现且噪声和失真最小的应用的首选技术。

Audio Products Accessories Alarms, Buzzers, and Sirens Amplifiers Buzzer Elements, Piezo Benders Microphones Speakers Cable Assemblies Barrel Connector Cables Barrel Audio Cables Barrel Power Cables Between Series Adapter Cables Circular Cable Assemblies Coaxial Cables (RF)D-Shaped, Centronics Cables D-Sub Cables Fiber Optic Cables Firewire Cables (IEEE 1394)Flat Flex Jumpers, Cables (FFC, FPC)Flat Flex Ribbon Jumpers, Cables Jumper Wires, Pre-Crimped Leads LGH Cables Modular Cables Pluggable Cables Power, Line Cables and Extension Cords Rectangular Cable Assemblies Smart Cables Solid State Lighting Cables Specialized Cable Assemblies USB Cables Video Cables (DVI, HDMI)Capacitors Accessories Aluminum - Polymer Capacitors Aluminum Electrolytic Capacitors Capacitor Networks, Arrays Ceramic Capacitors Electric Double Layer Capacitors (EDLC), Supercapacitors Film Capacitors Mica and PTFE Capacitors Niobium Oxide Capacitors Silicon Capacitors Tantalum - Polymer Capacitors Tantalum Capacitors Thin Film Capacitors Trimmers, Variable Capacitors Circuit Protection Circuit Breakers Circuit Protection Accessories Electrical, Specialty Fuses Fuseholders Fuses Gas Discharge Tube Arresters (GDT)Ground Fault Circuit Interrupter (GFCI)Inrush Current Limiters (ICL)Lighting Protection PTC Resettable Fuses Surge Suppression ICs Thermal Cutoffs (Thermal Fuses)Transient Voltage Suppressors (TVS)Mixed Technology Surge Protection Devices (SPDs)TVS Diodes Thyristors Varistors, MOVs Connectors, Interconnects AC Power Connectors Plugs and Receptacles Power Entry Connector Accessories Power Entry Modules (PEM)Backplane Connectors ARINC ARINC Inserts Backplane Connector Accessories Backplane Connector Contacts Backplane Connector Housings DIN 41612 Hard Metric, Standard Specialized Banana and Tip Connectors Banana and Tip Connector Accessories Banana and Tip Connector Adapters Binding Posts Jacks, Plugs Barrel Connectors Audio Connectors Barrel Connector Accessories Barrel Connector Adapters Power Connectors Blade Type Power Connectors Blade Type Power Connector Accessories Blade Type Power Connector Assemblies Blade Type Power Connector Contacts Blade Type Power Connector Housings Card Edge Connectors Card Edge Connector Accessories Card Edge Connector Adapters Card Edge Connector Contacts Card Edge Connector Housings Edgeboard Connectors Circular Connectors Backshells and Cable Clamps Circular Connector Accessories Circular Connector Adapters Circular Connector Assemblies Circular Connector Contacts Circular Connector Housings Coaxial Connectors (RF)Coaxial Connector (RF) Accessories Coaxial Connector (RF) Adapters Coaxial Connector (RF) Assemblies Coaxial Connector (RF) Contacts Coaxial Connector (RF) Terminators Contacts Contacts, Spring Loaded (Pogo Pins), and Pressure Leadframe Multi Purpose D-Sub, D-Shaped Connectors Centronics Connectors D-Sub Connector Assemblies D-Sub, D-Shaped Connector Accessories D-Sub, D-Shaped Connector Adapters D-Sub, D-Shaped Connector Backshells, Hoods D-Sub, D-Shaped Connector Contacts D-Sub, D-Shaped Connector Housings D-Sub, D-Shaped Connector Jackscrews D-Sub, D-Shaped Connector Terminators FFC, FPC (Flat Flexible) Connectors FFC, FPC (Flat Flexible) Connector Accessories FFC, FPC (Flat Flexible) Connector Assemblies FFC, FPC (Flat Flexible) Connector Contacts FFC, FPC (Flat Flexible) Connector Housings Fiber Optic Connectors Fiber Optic Connector Accessories Fiber Optic Connector Adapters Fiber Optic Connector Assemblies Fiber Optic Connector Housings Heavy Duty Connectors Heavy Duty Connector Accessories Heavy Duty Connector Assemblies Heavy Duty Connector Contacts Heavy Duty Connector Frames Heavy Duty Connector Housings, Hoods, Bases Heavy Duty Connector Inserts, Modules Keystone Connectors Keystone Connector Accessories Keystone Faceplates, Frames Keystone Inserts LGH Connectors Lugs Arrays, Edge Type, Mezzanine (Board to Board)Board In, Direct Wire to Board Board Spacers, Stackers (Board to Board)Free Hanging, Panel Mount Headers, Male Pins Headers, Receptacles, Female Sockets Headers, Specialty Pin Rectangular Connector Accessories Rectangular Connector Adapters Rectangular Connector Contacts Rectangular Connector Housings Spring Loaded Memory Connectors Inline Module Sockets Memory Connector Accessories PC Card Sockets PC Cards - Adapters Modular Connectors Modular Connector Accessories Modular Connector Adapters Modular Connector Jacks Modular Connector Jacks With Magnetics Modular Connector Plug Housings Modular Connector Plugs Modular Connector Wiring Blocks Modular Connector Wiring Blocks Accessories Photovoltaic (Solar Panel) Connectors Photovoltaic (Solar Panel) Connector Accessories Photovoltaic (Solar Panel) Connector Assemblies Photovoltaic (Solar Panel) Connector Contacts Pluggable Connectors Pluggable Connector Accessories Pluggable Connector Assemblies Sockets for ICs, Transistors IC Sockets Socket Accessories Socket Adapters Solid State Lighting Connectors Solid State Lighting Connector Accessories Solid State Lighting Connector Assemblies Solid State Lighting Connector Contacts Terminal Blocks Barrier Blocks Din Rail, Channel Headers, Plugs and Sockets Interface Modules Panel Mount Power Distribution Specialized Terminal Block Accessories Terminal Block Adapters Terminal Block Contacts Wire to Board Terminals Barrel, Bullet Connectors Foil Connectors Housings, Boots Knife Connectors Magnetic Wire Connectors PC Pin Receptacles, Socket Connectors PC Pin, Single Post Connectors Quick Connects, Quick Disconnect Connectors Rectangular Connectors Ring Connectors Screw Connectors Solder Lug Connectors Spade Connectors Specialized Connectors Terminal Accessories Terminal Adapters Turret Connectors Wire Pin Connectors Wire Splice Connectors Wire to Board Connectors USB, DVI, HDMI Connectors USB, DVI, HDMI Connector Accessories USB, DVI, HDMI Connector Adapters USB, DVI, HDMI Connector Assemblies Crystals, Oscillators, Resonators Crystal, Oscillator, Resonator Accessories Crystals Oscillators Pin Configurable/Selectable Oscillators Programmable Oscillators Resonators Stand Alone Programmers VCOs (Voltage Controlled Oscillators)Development Boards, Kits, Programmers Accessories Evaluation Boards Analog to Digital Converters (ADCs) Evaluation Boards Audio Amplifier Evaluation Boards DC/DC & AC/DC (Off-Line) SMPS Evaluation Boards Digital to Analog Converters (DACs) Evaluation Boards Embedded Complex Logic (FPGA, CPLD) Evaluation Boards Embedded MCU, DSP Evaluation Boards Evaluation and Demonstration Boards and Kits Expansion Boards, Daughter Cards LED Driver Evaluation Boards Linear Voltage Regulator Evaluation Boards Op Amp Evaluation Boards RF Evaluation and Development Kits, Boards RFID Evaluation and Development Kits, Boards Sensor Evaluation Boards Programmers, Emulators, and Debuggers Programming Adapters, Sockets Software, Services Discrete Semiconductor Products Current Regulation - Diodes, Transistors Diodes Bridge Rectifiers RF Diodes Rectifiers Diode Arrays Single Diodes Variable Capacitance (Varicaps, Varactors)Zener Single Zener Diodes Zener Diode Arrays Power Driver Modules Thyristors DIACs, SIDACs SCRs SCRs - Modules TRIACs Transistors Bipolar (BJT)Bipolar RF Transistors Bipolar Transistor Arrays Bipolar Transistor Arrays, Pre-Biased Single Bipolar Transistors Single, Pre-Biased Bipolar Transistors FETs, MOSFETs FET, MOSFET Arrays RF FETs, MOSFETs Single FETs, MOSFETs IGBTs IGBT Arrays IGBT Modules Single IGBTs JFETs Programmable Unijunction Special Purpose Embedded Computers Embedded Computer Accessories Embedded Computer Interface Boards Single Board Computers (SBCs)Fans, Thermal Management Fans AC Fans DC Brushless Fans (BLDC)Fan Accessories Fan Cords Finger Guards, Filters & Sleeves Heat Tape, Heat Blankets and Heaters Thermal Adhesives, Epoxies, Greases, Pastes Heat Pipes, Vapor Chambers Heat Sinks Liquid Cooling, Heating Pads, Sheets Thermal Accessories Thermoelectric, Peltier Assemblies Thermoelectric, Peltier Modules Filters Cable Ferrites Ceramic Filters Common Mode Chokes DSL Filters EMI/RFI Filters (LC, RC Networks)Feed Through Capacitors Ferrite Beads and Chips Ferrite Disks and Plates Filters Accessories Monolithic Crystals Power Line Filter Modules RF Filters SAW Filters Inductors, Coils, Chokes Adjustable Inductors Arrays, Signal Transformers Delay Lines Fixed Inductors Wireless Charging Coils Industrial Automation and Controls Accessories Cable and Hose Carriers, Drag Chains Cam Positioners Controllers Controllers - AccesControllerssories Controllers - CabControllersle Assemblies Controllers - Liquid, Level Controllers - Machine Safety Controllers - PLC Modules Controllers - Process, Temperature Controllers - Programmable (PLC, PAC)Greases and Lubricants Human Machine Interface (HMI)Human Machine Interface (HMI)Human Machine Interface (HMI) - Accessories Industrial Equipment Industrial Lighting Industrial Lighting - Pick to Light Industrial Lighting - Task Lighting Industrial Lighting Control Lighting Control Lighting Control - Accessories Industrial PCs Liquid Filtration Machine Safety Machine Safety - Accessories Machine Safety - Bumpers and Edges Machine Safety - Laser Scanners Machine Safety - Light Curtains Machine Safety - Mats Machine Vision Machine Vision - Bar Code Readers Machine Vision - Cameras/Sensors Machine Vision - Control/Processing Machine Vision - Lighting Monitors Monitor - Current/Voltage Transducer Monitor - Relay Output Panel Meters Meters Panel Meters - Accessories Panel Meters - Counters, Hour Meters Pneumatics, Hydraulics Pneumatics, Hydraulics - Accessories Pneumatics, Hydraulics - Actuators/Cylinders Pneumatics, Hydraulics - Fittings, Couplings, and Distributors Pneumatics, Hydraulics - Preparation/Treatment Pneumatics, Hydraulics - Shock Absorbers, Dampers Pneumatics, Hydraulics - Tubing, Hose, Piping Pneumatics, Hydraulics - Valves and Control Protection Relays & Systems Robotics Robotics - Accessories Robotics - End Effectors Robotics - Robots Signal Conditioners and Isolators Specialized Stackable Tower Lighting, Beacons, and Components Time Delay Relays Integrated Circuits (ICs)Audio Special Purpose Clock/Timing Application Specific Clock/Timing Clock Buffers, Drivers Clock Generators, PLLs, Frequency Synthesizers Delay Lines IC Batteries Programmable Timers and Oscillators Real Time Clocks Data Acquisition ADCs/DACs - Special Purpose Analog Front End (AFE)Analog to Digital Converters (ADC)Digital Potentiometers Digital to Analog Converters (DAC)Touch Screen Controllers Embedded Application Specific Microcontrollers CPLDs (Complex Programmable Logic Devices)DSP (Digital Signal Processors)FPGAs (Field Programmable Gate Array)FPGAs (Field Programmable Gate Array) with Microcontrollers Microcontrollers Microcontrollers, Microprocessor, FPGA Modules Microprocessors PLDs (Programmable Logic Device)System On Chip (SoC)Interface Analog Switches - Special Purpose Analog Switches, Multiplexers, Demultiplexers CODECS Controllers Direct Digital Synthesis (DDS)Drivers, Receivers, Transceivers Encoders, Decoders, Converters Filters - Active I/O Expanders Modems - ICs and Modules Modules Sensor and Detector Interfaces Sensor, Capacitive Touch Serializers, Deserializers Signal Buffers, Repeaters, Splitters Signal Terminators Specialized Telecom UARTs (Universal Asynchronous Receiver Transmitter)Voice Record and Playback Linear Amplifiers Audio Amplifiers Instrumentation, OP Amps, Buffer Amps Special Purpose Amplifiers Video Amps and Modules Analog Multipliers, Dividers Comparators Video Processing Logic Buffers, Drivers, Receivers, Transceivers Comparators Counters, Dividers FIFOs Memory Flip Flops Gates and Inverters Gates and Inverters - Multi-Function, Configurable Latches Multivibrators Parity Generators and Checkers Shift Registers Signal Switches, Multiplexers, Decoders Specialty Logic Translators, Level Shifters Universal Bus Functions Memory Batteries Configuration PROMs for FPGAs Controllers Memory Power Management (PMIC)AC DC Converters, Offline Switches Battery Chargers Battery Management Current Regulation/Management DC DC Switching Controllers Display Drivers Energy Metering Full Half-Bridge (H Bridge) Drivers Gate Drivers Hot Swap Controllers LED Drivers Laser Drivers Lighting, Ballast Controllers Motor Drivers, Controllers OR Controllers, Ideal Diodes PFC (Power Factor Correction)Power Distribution Switches, Load Drivers Power Management - Specialized Power Over Ethernet (PoE) Controllers Power Supply Controllers, Monitors RMS to DC Converters Special Purpose Regulators Supervisors Thermal Management V/F and F/V Converters Voltage Reference Voltage Regulators - DC DC Switching Regulators Voltage Regulators - Linear + Switching Voltage Regulators - Linear Regulator Controllers Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Specialized ICs Isolators Digital Isolators Isolators - Gate Drivers Optoisolators Logic Output Optoisolators Transistor, Photovoltaic Output Optoisolators Triac, SCR Output Optoisolators Special Purpose Isolators Magnetics - Transformer, Inductor Components Bobbins (Coil Formers), Mounts, Hardware Ferrite Cores Magnetic Wire Memory Cards, Modules Memory - Modules Memory Card, Module Accessories Memory Cards Solid State Drives (SSDs), Hard Disk Drives (HDDs)Specialized USB Flash Drives Optoelectronics Ballasts, Inverters Circuit Board Indicators, Arrays, Light Bars, Bar Graphs Cold Cathode Fluorescent (CCFL) & UV Lamps Display Backlights Display Bezels, Lenses Display, Monitor - LCD Driver/Controller Electroluminescent Fiber Optic Attenuators Fiber Optic Receivers Fiber Optic Switches, Multiplexers, Demultiplexers Fiber Optic Transceiver Modules Fiber Optic Transmitters - Discrete Fiber Optic Transmitters - Drive Circuitry Integrated HeNe Laser Heads HeNe Laser System Accessories HeNe Laser Systems Incandescent, Neon Lamps LCD, OLED Character and Numeric LCD, OLED, Graphic LED Addressable, Specialty LED COBs, Engines, Modules, Strips LED Character and Numeric LED Color Lighting LED Dot Matrix and Cluster LED Emitters - Infrared, UV, Visible LED Indication - Discrete LED Lighting Kits LED Thermal Products LED White Lighting Lamp Replacements Laser Diode, Module Accessories Laser Diodes, Laser Modules - Laser Delivery, Laser Fibers Laser Diodes, Modules Lenses Light Pipes Lighting Fixtures Optoelectronics Accessories Optomechanical Panel Indicators, Pilot Lights Reflectors Remote Phosphor Light Source Spacers, Standoffs Touch Screen Overlays Vacuum Fluorescent (VFD)Xenon Lighting Potentiometers, Variable Resistors Accessories Adjustable Power Resistor Joystick Potentiometers Rotary Potentiometers, Rheostats Scale Dials Slide Potentiometers Thumbwheel Potentiometers Trimmer Potentiometers Value Display Potentiometers Power Supplies - Board Mount AC DC Converters Board Mount Power Supply Accessories DC DC Converters LED Drivers Power Supplies - External/Internal (Off-Board)AC AC Wall Power Adapters AC DC Configurable Power Supplies (Factory Assembled)AC DC Configurable Power Supply Chassis AC DC Configurable Power Supply Modules AC DC Converters AC DC Desktop, Wall Power Adapters DC DC Converters External/Internal Power Supply Accessories Industrial, DIN Rail Power Supplies LED Drivers Power over Ethernet (PoE)RF and Wireless Attenuators Balun RF Accessories RF Amplifiers RF Antennas RF Circulators and Isolators RF Demodulators RF Detectors RF Directional Coupler RF Front End (LNA + PA)RF Misc ICs and Modules RF Mixers RF Modulators RF Multiplexers RF Power Controller ICs RF Power Dividers/Splitters RF Receiver, Transmitter, and Transceiver Finished Units RF Receivers RF Shields RF Switches RF Transceiver ICs RF Transceiver Modules and Modems RF Transmitters RFI and EMI - Contacts, Fingerstock and Gaskets RFI and EMI - Shielding and Absorbing Materials RFID Accessories RFID Antennas RFID Reader Modules RFID Transponders, Tags RFID, RF Access, Monitoring ICs Subscriber Identification Module (SIM) Cards Relays Automotive Relays Contactors (Electromechanical)Contactors (Solid State)High Frequency (RF) Relays I/O Relay Module Racks I/O Relay Modules Power Relays, Over 2 Amps Reed Relays Relay Sockets Relays Accessories Safety Relays Signal Relays, Up to 2 Amps Solid State Relays Resistors Chassis Mount Resistors Chip Resistor - Surface Mount Resistor Networks, Arrays Resistors Accessories Specialized Resistors Through Hole Resistors Sensors, Transducers Color Sensors Color Sensors - Industrial Current Sensors Encoders Encoders - Industrial Float, Level Sensors Float, Level Sensors - Industrial Flow Sensors Flow Sensors - Industrial Force Sensors Force Sensors - Industrial Gas Sensors Humidity, Moisture Sensors IrDA Transceiver Modules LVDT Transducers (Linear Variable Differential Transformer)Magnetic Sensors Compass, Magnetic Field (Modules)Linear, Compass (ICs)Position, Proximity, Speed (Modules)Position, Proximity, Speed (Modules) - Industrial Switches (Solid State)Magnets Multi Purpose Magnets Sensor Matched Magnets Motion Sensors Accelerometers Gyroscopes IMUs (Inertial Measurement Units)Inclinometers Optical Motion Sensors Tilt Switches Vibration Sensors Multifunction Optical Sensors Ambient Light, IR, UV Sensors Camera Modules Distance Measuring Image Sensors, Camera Photo Detectors - CdS Cells Photo Detectors - Logic Output Photo Detectors - Remote Receiver Photodiodes Photoelectric, Industrial Photointerrupters - Slot Type - Logic Output Photointerrupters - Slot Type - Transistor Output Photonics - Counters, Detectors, SPCM (Single Photon Counting Module)Phototransistors Reflective - Analog Output Reflective - Logic Output Particle, Dust Sensors Position Sensors Angle, Linear Position Measuring Pressure Sensors, Transducers Pressure Sensors, Transducers - Industrial Proximity Sensors Proximity Sensors - Industrial Proximity/Occupancy Sensors Finished Units Sensor Cable Accessories Sensor Cable Assemblies Sensor Interface Junction Blocks Sensor, Transducer Accessories Sensor, Transducer Amplifiers Shock Sensors Solar Cells Specialized Sensors Strain Gauges Temperature Sensors Analog and Digital Output Analog and Digital Output - Industrial NTC Thermistors PTC Thermistors RTD (Resistance Temperature Detector)Thermocouples, Temperature Probes Thermostats - Mechanical Thermostats - Mechanical - Industrial Thermostats - Solid State Touch Sensors Ultrasonic Receivers, Transmitters Ultrasonic Receivers, Transmitters - Industrial

Switches Accessories Accessories - Boots, Seals Accessories - Caps Cable Pull Switches Configurable Switch Components Configurable Switch Components - Body Configurable Switch Components - Contact Block Configurable Switch Components - Illumination Source Configurable Switch Components - Lens DIP Switches Disconnect Switch Components Emergency Stop (E-Stop) Switches Interlock Switches Keylock Switches Keypad Switches Limit Switches Magnetic, Reed Switches Navigation Switches, Joystick Programmable Display Switches Pushbutton Switches Pushbutton Switches - Hall Effect Rocker Switches Rotary Switches Selector Switches Slide Switches Tactile Switches Thumbwheel Switches Toggle Switches Transformers Audio Transformers Current Sense Transformers Isolation Transformers and Autotransformers, Step Up, Step Down Power Transformers Pulse Transformers Specialty Transformers Switching Converter, SMPS Transformers Transformers Accessories Uncategorized Unclassified

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