Switching transistors NPN

3D printing
Antennas
- Antenna accessories
- FM radio antennas
- TV antennas
- GPS antennas
- GSM/3G/4G/5G/LTE antennas
- LoRa antennas
- WiFi antennas
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Batteries
- Battery chargers
- Rechargeable batteries
- Battery packs
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- Sealed lead acid batteries
- Battery holders
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Arduino
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- Arduino® Shield
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- Arduino® Kits
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- Arduino shields
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Audio/video
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- AV analog
- AV converters
- Speakers
- Headphones
- Microphones
- Buzzers
- AV Misc
- Amplifiers
Automotive
- Measurement
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- Automotive connectors
- Automotive fuses
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- Installation accessories
- Automotive tools
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- Power supplies for automotive use
Automation
- Arduino Opta
- Finder Opta
- Finder YESLY
- KNX Building automation
- M12 Cables
- Shelly
- Sonoff
- Unipi
BBC micro:bit
- micro:bit kits
- micro:bit addon boards
- micro:bit playground
- micro:bit accessories
Electronic components
- Sensors
- Actives
- Passives
- Component kits
Security alarm
IOT
- IIOT
- IOT starting kits
- IOT development boards
- LoRa
- SenseCAP
- Shelly
Soldering
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- Bench supports
- Soldering flux/paste
- Solder wires
- Soldering tools
- Gas soldering irons
- Hot Air Stations
- SMD soldering
- Tip cleaning
- Desoldering braids/pumps
- Spare parts Pace
- Spare parts Proskit
- Spare parts Thermaltronics
  - Thermaltronics TMT-9000S-2
  - Thermaltronics TMT-2000S-K
- Spare parts for Velleman
- Spare parts Weller
- Spare parts Xytronic
- Misc soldering
- Spare parts Pinecil
- Spare parts Atten
  - Atten T900
  - Atten T990
Raw cables and wires
- RF coaxial cable 50ohm
- RF coaxial cable 75ohm
- Audio cables/wires
- LV data cables
- FFC cables
- Speaker cables
- Power cables
- Rubber cables
- Copper wires
- Flat cables
- Multicore equipment wires
- Phone cables
- Silicone wires
- Thermocouple cable
- Network cables CAT5/6/7
- Video cables
- Singlecore equipment wire
- Wire assortments
- Power supply cables
Wiring accessories
- Heat shrink tubes
- Cable ties
- Spiral wrap
- Plastic tape
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- Cable organizer
- Cable cover
- Cable glands
Development boards
- APM32
- Atmel SAM
- AVR
- Beaglebone SBC
- CAN BUS
- Coral
- ESP
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- FTDI
- HMI
- Jetson Nano
- nRF ARM
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- Quectel
- RISC-V
- RP2040
- RP2350
- Seeed XIAO
- STM32
- TI MSP/TIVA
Books
Leds
- Bright LEDS
- Special purpose LEDs
- LED holders
- LED stripe
- LED displays
- Multicolor LEDS
- Basic LEDS
- SMD LEDs
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- Power LEDs
- LED drivers
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- Addressable leds
Connectors
- Audio/video connectors
- Car connectors
- Pin header connectors
- RJ modular connectors
- Crimp connectors
  - ECT connectors
- RF connectors
- Terminal blocks
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- Data connectors
- DC power connectors
Connector adapters
- Adapter sets
  - Parts for AK-40 adapter kits
- Audio PLUG adapters
- BNC adapters
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- F adapters
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- N adapters
- RCA adapters
- SMA adapters
- SMB adapters
- TNC adapters
- UHF adapters
- XLR adapters
Thermal management
- Heat sinks
- Heat sink insulators
- Peltier elements
- Heat dissipating paste
- Cooling fans
  - Fan accessories
- Thermal conductors
Mechanics
- Screws/nuts/washers
- Housing
- Misc
- EMI/EMC/RFI Shielding
- PCB mounting
- Shaft
- DIN Rails
- Rack mount accessories
Displays
- Touch panels
- Graphic display modules
- Textual display modules
- Graphic displays
- e-INK display modules
Measurement
- Multimeters
- Test leads/connectors
  - Test probes
  - Banana jacks
  - Test leads
  - Banana plugs
  - Crocodile clips
- Panel meters
- Current clamps
- Voltage testers
- Thermometers
- Environment meters
- Electronic loads
- Component testing
- Fibre Optic Network Meters
- Mains measurement
- Debugging
- Oscilloscopes
- Signal generators
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- Spectrum analyzers
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- Probes
- Data loggers
- Measurement accessories
- Rigol accessories
- Rigol options
Memory cards
Services
Phones
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Prototyping
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- Jumper wires
- Stripboards
- Copper PCB boards
- PCB supplementary
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DIY kits
- Crowtail
- FutureKit
- Grove
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- Sparkfun
- Velleman
Raspberry Pi
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- Raspberry Pi 4 and older
- Raspberry Pi Compute Module
- Raspberry Pi 400 / 500
- Raspberry Pi Pico
- Raspberry Pi Zero
- Raspberry Pi starter kits
- Raspberry Pi like computers
- SBC displays
- SBC addon boards
- SBC hifi boards
- SBC accessories
- SBC housing
- SBC cameras
- SBC misc
- SBC books
- SBC memory cards
- SBC rack mount
Retro gaming
- Game controllers
- Game buttons
Robotics
- Robotic kits
- Robot electronics
- Robot mechanics
Misc
Electromechanics
- Switches
- Lamps
- Motors
- Relays
- Solenoids
- Fuses
- Thermostats
- Contactors
Electrics
- Battery clamps
- IEC power connectors
- Mains extension
- Home appliances
- Neutrik Powercon
- Wire terminals
- Wire terminal blocks
- SCHUKO
- SCHUKO/IEC power cords
- Electrical installation
- Cigarette lighter/hella
Power supplies
- Solar panels
- Power supplies for car use
- 110V
- DC/DC voltage converters
- SMPS power supplies
- Voltage inverters
- DC/DC power converters
- Laptop power supplies
- Laboratory power supplies
- LED drivers
- Linear power supplies
- Mascot accessories
- Transformers
- USB chargers
- UPS power systems
Computer
- Sound
- UPS power backup
- KVM switches
- Mass memory
- Network
- Display
  - DVI/HDMI/DP/VGA cables
  - DVI/HDMI/DP/VGA adapters
- PC mechanics
- PC power
- Buses
- Misc computer accessories
- Keyboard and mouse
- Printers
Telecom
- Ethernet/LAN
- Patch Panels
- Optical fibres
- SFP Transceivers
- WiFi
- Ethernet switches
- Ethernet media converters
- Routers
- Gateways
TV/radio/VCR/CD
- Remote controls
- Rubber belts
Tools and handtools
- Tool sets
- Protective accessories
- ESD protection
- Tweezers
- Service spray
- Milling
- Wire strippers
- Hot glue
- Glue paint grease
  - Bostik Born2Bond industrial Instant Adhesives
  - Bostik DIY Adhesives
- Hobby drills
- Pliers
- Cleaning
- Crimp tools
  - Crimp tools ABIKO
  - Crimp tools for coaxial connectors
  - Crimp tools for modular connectors
  - Rest of crimp tools
  - Terminal crimping tools
- Screwdrivers
  - Insulated screwdrivers
  - Slotted tip screwdrivers
  - Screwdriver sets
  - TORX screwdrivers
  - PHILLIPS/POZIDRIV screwdrivers
  - Hexhead screwdrivers
  - Torque screwdrivers
- Side cutters
- Storage boxes
- Flash lights
- Hex bits
- Working lights
- Rest of tools
- Cutters
Lightning
- Halogen Lighting
- LED Lighting
- Bulbs
- Luminaires
- Dimming
- Lamp accessories
Gadgets
Agencies Elgood Oy
- Abiko (Elpress)
- Adda
- Arduino Pro
- Attend
- BELDEN
  - Belden Industrial Ethernet cables
  - Belden Automation Cables
- Blueferrite
- Broadlake
- Cvilux
  - USB Connectors
  - CP35 3.0mm power
  - CA-series IDC connectors
  - CF FFC connectors & cables
- Danotherm
- DECA
- Delta
- Dinkle
- Entertec
- Finder
  - Finder 12 Series
  - Finder 13 Series
  - Finder 14 Series
  - Finder 1C Series
  - Finder 20 Series
  - Finder 22 Series
  - Finder 34 Series
  - Finder 36 Series
  - Finder 38 Series
  - Finder 39 Series
  - Finder 40 Series
  - Finder 41 Series
  - Finder 43 Series
  - Finder 46 Series
  - Finder 48 Series
  - Finder 4C Series
  - Finder 58 Series
  - Finder 50 Series
  - Finder 55 Series
  - Finder 56 Series
  - Finder 60 Series
  - Finder 62 Series
  - Finder 65 Series
  - Finder 66 Series
  - Finder 68 Series
  - Finder 7H Series
  - Finder 7L Series
  - Finder 7M Series
  - Finder 7T Series
  - Finder 80 Series
  - Finder 83 Series
  - Finder 86 Series
  - Finder 8A Series
  - Finder 90 Series
  - Finder 92 Series
  - Finder 93 Series
  - Finder 94 Series
  - Finder 95 Series
  - Finder 96 Series
  - Finder 99 Series
- Fulham Company B.V
- Geehy
- Hengstler
- Hirose
  - U.FL micro coaxial connectors
  - Wire to Board
  - RF-test connectors
- HolyStone
- Jianghai
- KDS
- Lantronix
- LINEAR INTEGRATED SYSTEMS
- LinkPP
- Luminus
- MURATA
- Myrra
- PeakTech
- Provertha
- Quectel
- Relpol
- Rigol
  - Rigol accessories
  - Rigol options
  - Rigol DG800 Pro
  - Rigol DG900 Pro
  - Rigol DG1000Z
  - Rigol DG4000
  - Rigol DG5000 Pro
  - Rigol DHO800
  - Rigol DHO900
  - Rigol DHO1000
  - Rigol DHO4000
  - Rigol DHO5000
  - Rigol DL3000
  - Rigol DM3000
  - Rigol DP700
  - Rigol DP800
  - Rigol DP900
  - Rigol DP2000
  - Rigol DS1000Z
  - Rigol DS2000
  - Rigol DSA700
  - Rigol DSA800
  - Rigol DSA800
  - Rigol MHO2000
  - Rigol MHO5000
  - Rigol MSO5000
  - Rigol MSO7000
  - Rigol MSO8000A
  - Rigol RSA3000
  - Rigol RSA5000
- Seiko
- Sensepeek
- SENSOLUTE
- Teltonika Networks
- Teltonika Telematics
- VAC
- Winstar
- wireless-tag
- WKK
  - WKK cable ties
  - WKK heat shrink tubes
  - WKK cable accessories
News Letters
Campaigns
- Black Week 2025
- Rigol Black Friday 2025
- Banana Pi
- Raspberry Pi and accessories Black Week
- Frank December
- Partco December 2025
- January Sale 2026
Intermediary sales
- Intermediary - Wires and Cables
  - Cable Assemblies

Manufacturers

Specials

Raspberry Pi Pico 2
Raspberry Pi Pico 2 - New Raspberry...
9,29 € -26% 12,55 €

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NPN SWITCHING TRANSISTOR 300V 0,5A 20W TO126

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NPN SWITCHING TRANSISTOR 300V 0,5A 20W TO126

Reference: MJE340

23 Item Items

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BJT NPN 300V 0,5A 20W TO126

Case	TO126

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Switching transistors NPN

NPN SWITCHING TRANSISTOR 300V 0,5A 20W TO126

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