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Showing 15 results for "diode"
12V 1W Zener Diodes 1N4742A (2-Pack)

12V 1W Zener Diodes 1N4742A (2-Pack)

Product Overview The RadioShack 12V 1W Zener Diodes 1N4742A (2-Pack) (Cat. No......

$3.99
1N4001 Micromini Silicon Diodes (2-Pack)

1N4001 Micromini Silicon Diodes (2-Pack)

1N4001 Micromini Silicon Diode - 50V 1ADescription:Standard silicon rectifier diode. Popular for gen.....

$3.99
1N4003 Micromini Silocon Diode 200V - 1A (2-pk)

1N4003 Micromini Silocon Diode 200V - 1A (2-pk)

1N4003 micromini silicon rectifier diode. 200V PIV, 1 amp forward current rating. General purpose re.....

$3.99
1N4004 Rectifier Diodes (2-Pack)

1N4004 Rectifier Diodes (2-Pack)

1N4004 rectifier diode. 400V PIV, 1 amp forward current. DO-41 package. General purpose rectifier di.....

$3.99
1N4005 Rectifier Diodes (2-Pack)

1N4005 Rectifier Diodes (2-Pack)

Standard silicon rectifiers for 600V peak inverse voltage applications.Technical Specifications:Part.....

$3.99
1N914/4148 Switching Diodes (10-Pack)

1N914/4148 Switching Diodes (10-Pack)

1N914/4148-Type fast switching silicon diodes. 100V PIV, 300mA forward current. 4ns fast recovery ti.....

$3.99
1N914/4148 Switching Diodes (50-Pack)

1N914/4148 Switching Diodes (50-Pack)

1N914-Type Small Signal Diodes - 50 PackDescription:Fast switching small signal diodes. Ideal for hi.....

$8.99
2N3055-Type Transistor NPN silicon

2N3055-Type Transistor NPN silicon

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

$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
Assorted Rectifier Diodes (25-Pack)

Assorted Rectifier Diodes (25-Pack)

Assorted Rectifier Diodes - 25 PackDescription:Assortment of general-purpose rectifier diodes. Varie.....

$4.99
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
Guides, Community & Resources
📘Component Reference GuideGuide & InformationElectronic Components Reference Guide Your comprehensive visual manual for identifying, testing, and implementing essential electronic components. Perfect for students, educators, 📘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📘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 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📘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📘How to Use a Digital Multimeter for ElectronicsGuide & InformationLow-voltage measurement guide How to Use a Digital Multimeter for Electronics Use voltage, resistance, and continuity measurements to debug low-voltage maker circuits with a repeat💬Interfacing 3.3V Microcontrollers (ESP32/Raspberry Pi Pico) with 5V SensorsCommunity Q&ACan I connect a 5V sensor output directly to a 3.3V microcontroller pin without destroying it?💬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?💬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

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