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Showing 15 results for "transistor"
2N3055-Type Transistor NPN silicon

2N3055-Type Transistor NPN silicon

2N3055-Type Transistor NPN siliconDescription:High-quality RadioShack brand diode/transistor designe.....

$3.99
2N4401 Transistor NPN Silicon

2N4401 Transistor NPN Silicon

2N4401 Transistor NPN SiliconDescription:2N4401 SWITCHING TRANSISTORDetails:The 2N4401 NPN silicon t.....

$3.99
7805 +5VDC Voltage Regulator 1amp

7805 +5VDC Voltage Regulator 1amp

7805 +5VDC Voltage Regulator 1ampDescription:5-VOLT REGULATORDetails:This high-power regulator has c.....

$3.99
7812 +12VDC Voltage Regulator

7812 +12VDC Voltage Regulator

7812 +12VDC Voltage RegulatorDescription:12V FIXED-VOLTAGE REGULATOR 7812Details:Power up with this .....

$3.99
Anodized Aluminum TO-220 Heat Kink

Anodized Aluminum TO-220 Heat Kink

Anodized Aluminum TO-220 Heat KinkDescription:High-quality RadioShack brand diode/transistor designe.....

$3.99
Cadmium-Sulfide Photocells. Contains 5 assorted photocells. Pkg of 5

Cadmium-Sulfide Photocells. Contains 5 assorted photocells. Pkg of 5

Cadmium-Sulfide Photocells. Contains 5 assorted photocells. Pkg of 5Description:CADMIUM-SULFIDE PHOT.....

$5.99
D-Sub Pin Inserter Extractor

D-Sub Pin Inserter Extractor

D-Sub Pin Inserter ExtractorDescription:High-quality RadioShack brand diode/transistor designed for .....

$3.99
DPDT Plug-In Relay

DPDT Plug-In Relay

DPDT Plug-In RelayDescription:High-quality RadioShack brand diode/transistor designed for reliable p.....

$3.99
Heat Sync Transistor Mounting Hardware

Heat Sync Transistor Mounting Hardware

Heat Sync Transistor Mounting HardwareDescription:High-quality RadioShack brand diode/transistor des.....

$3.99
IRF510 Power MOSFET Transisiter N-Channel 60Volt

IRF510 Power MOSFET Transisiter N-Channel 60Volt

IRF510 Power MOSFET Transisiter N-Channel 60VoltDescription:High-quality RadioShack brand diode/tran.....

$3.99
LM317T Positive Adjustable Voltage Regulator

LM317T Positive Adjustable Voltage Regulator

LM317T Positive Adjustable Voltage RegulatorDescription:ADJUSTABLE-VOLTAGE REGULATOR LM317TDetails:W.....

$5.99
LM324 Quad OP Amp Consists of 4 internally compensated high-gain OP amps

LM324 Quad OP Amp Consists of 4 internally compensated high-gain OP amps

LM324 Quad OP Amp Consists of 4 internally compensated high-gain OP ampsDescription:High-quality Rad.....

$3.99
LM339 Quad OP Comparator 4 Ccomparators in a single 14-pin pkg. Very low curren drain

LM339 Quad OP Comparator 4 Ccomparators in a single 14-pin pkg. Very low curren drain

LM339 Quad OP Comparator 4 Ccomparators in a single 14-pin pkg. Very low curren drainDescription:Hig.....

$3.99
LM386N 400mW Audio Amplifire 8-pin DIP

LM386N 400mW Audio Amplifire 8-pin DIP

LM386N 400mW Audio Amplifier - 8-pin DIP Unleash clear, powerful sound in your next electronics pro.....

$3.99
Lower Power IC Kit 74LS00, 74LS002, 74LS04, 74LS08, 74LS32 5pc

Lower Power IC Kit 74LS00, 74LS002, 74LS04, 74LS08, 74LS32 5pc

Lower Power IC Kit 74LS00, 74LS002, 74LS04, 74LS08, 74LS32 5pcDescription:High-quality RadioShack br.....

$3.99
Guides, Community & Resources
📘Charles Platt - Author of Make: ElectronicsGuide & InformationOfficial Component Kits for Make: Electronics Books Charles Platt — Author of Make: Electronics You picked up the book. Now get the parts — matched exactly to every experiment. Ove📘Component Reference GuideGuide & InformationElectronic Components Reference Guide Your comprehensive visual manual for identifying, testing, and implementing essential electronic components. Perfect for students, educators, 📘Easy Electronics by Charles PlattGuide & InformationEasy Electronics by Charles Platt Easy Electronics is the ultimate beginner's introduction to electronics by best-selling author Charles Platt. If you've ever felt frustrated by en📘ProTechTrader - Official Make: Electronics KitsGuide & InformationProTechTrader - Your Trusted Source for Electronics KitsFamily-Owned New Jersey Business | 10+ Years Supporting Makers | Official Partner for Make: ElectronicsAbout ProTechTraderPr📘Beginner's Guide to ElectronicsGuide & InformationBeginner's Guide to Electronics: Start Your Journey Welcome to the exciting world of electronics! Whether you're a student, hobbyist, or curious learner, this comprehensive guide w📘Complete Beginner's Guide to Electronics in 2026Guide & InformationComplete Beginner's Guide to Electronics in 2026 Master electronics from zero to hero with this step-by-step guide. No prior experience needed! ⏱️ 30 min read Beginner Friendly Exp📘How to Solder - Complete TutorialGuide & InformationHow to Solder: Complete Step-by-Step Tutorial Soldering is one of the most essential skills in electronics. This comprehensive guide will teach you everything from basic technique 📘Make: Electronics Book GuideGuide & InformationMake: Electronics Book Guide: Which Edition and Kit Is Right for You? Charles Platt's Make: Electronics series is widely regarded as the best hands-on introduction to electronics. 📘Electronics Subscription Box for Kids, Teens & BeginnersGuide & InformationA real project, not just a bag of parts Build Electronics Every Month with TechCrate TechCrate is a monthly electronics subscription box for curious beginners, teens, families, mak📘Make: Electronics by Charles Platt - Complete Book & Kit GuideGuide & InformationMake: Electronics by Charles Platt — Complete Book & Kit Guide The definitive hands-on curriculum that revolutionized modern electronics learning. Explore the experiments, edition 📘Electronics Components Starter Kit Guide 2026 - What You NeedGuide & InformationElectronics Components Starter Kit Guide 2026 — What You Need A complete breakdown of essential passive parts, active semiconductors, breadboards, and storage strategies for beginn📘STEM Electronics Kits for Educators & SchoolsGuide & Information🏫 Official STEM & CTE Curriculum Guide STEM Electronics Kits for Educators & Schools A comprehensive guide for STEM teachers, CTE coordinators, and makerspace instructors to select📘Semiconductor Components Guide - Transistors, Diodes & ICs ExplaGuide & InformationSemiconductor Components Guide — Transistors, Diodes & ICs Explained A practical hardware engineer's reference to PN junctions, BJT switching, MOSFET gates, and reading component d📘Charles Platt Make Series - Complete Books & Kits GuideGuide & InformationThe Complete Charles Platt Make: Series Guide Charles Platt's Make: series revolutionized how people learn electronics. His hands-on approach teaches circuit design through actual 📘Arduino Starter Kits Comparison GuideGuide & InformationComplete Guide to Arduino Starter Kits Arduino is the world's most popular microcontroller platform for makers, students, and professionals. Whether you're building your first LED 💬Preventing Thermal Runaway in Power Transistors & RegulatorsCommunity Q&AWhy does my 7805 voltage regulator or TIP120 Darlington transistor get scorching hot under heavy load?💬NPN Transistor Switching vs Amplification (2N3904 / 2N2222)Community Q&AHow do I use an NPN transistor as a current switch for motors or relays instead of an amplifier?💬Understanding Decoupling Capacitors & Noise ReductionCommunity Q&AWhy does every digital circuit need a 0.1uF capacitor next to each IC microchip?💬Circuit works when battery is fresh but stops working as it drains — is that normal?Community Q&ANotice my LED astable blinker circuit runs great with a brand new 9V, but a few days later with the same battery (not dead, still reads about 7.5V) the blinking gets slower and the💬DC motor driver — do I really need a transistor, can I connect the motor straight to Arduino pin?Community Q&AWant to spin a small hobby motor from an Arduino digital pin directly with digitalWrite HIGH. Seems like it should just work like an LED does. Do I actually need a transistor or dr💬Transistor as a switch — base resistor value seems arbitrary in the bookCommunity Q&ABuilding the transistor switch circuit (2N3904 driving a motor) and the book just says "use a 1K resistor on the base" without explaining how they got that number. If I use a diffe💬How does a 555 timer astable circuit actually decide the blink rate?Community Q&AWorking through the 555 timer chapter and I got the LED blinking circuit working which is awesome, but I don't really understand WHY changing the resistor values changes the blink

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