Passive Components

Passive Buzzer

Passive Buzzer

Passive BuzzerAC 12MM*8.5MM 12085 16R Resistance 3V 5V 9V 12V 2 Terminals Passive Electronic Buzzer..

$0.95

Mini Speaker - PC Mount 12mm 2.048kHz buzzer

Mini Speaker - PC Mount 12mm 2.048kHz buzzer

This is a small 12mm round speaker that operates around the audible 2kHz range. You can use these speakers to create simple music or user interfaces. This is not a..

$1.67

Transistor - NPN (BC337)

Transistor - NPN (BC337)

This is the BC337, an NPN silicon BJT (Bipolar Junction Transistor). This little transistor can help in your project by being used to help drive large loads or amplifying or switch..

$0.70

SparkFun Capacitor Kit

SparkFun Capacitor Kit

This is a kit that provides you with a basic assortment of capacitors to start or continue your electronics tinkering. No more looking under your desk to see if you can find a spar..

$9.90

SparkFun Discrete Semiconductor Kit

SparkFun Discrete Semiconductor Kit

If you do anything with electronics, you're probably already using transistors, but you're probably using them in large, prepackaged clusters of just one type. The SparkFun Discret..

$10.90

Electronic component KIT for Arduino

Electronic component KIT for Arduino

Electronic component  KIT for Arduino   1    400 hole bread board 1 2    A firm bread line(30 / article)1 3    F5 red lights10 4    F5 green lights    10 5    Thr..

$18.91

Resistors (20/pack)

Resistors (20/pack)

A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current f..

$1.25

Trimpot 10K with Knob

Trimpot 10K with Knob

There are lots of trimpots out there. Some are very large, some so small they require a screwdriver. Here at SparkFun, we just needed a simple one that worked. This 10K trimmable p..

$1.25

Active Buzzer Alarm 5V

Active Buzzer Alarm 5V

5v Active Buzzer Magnetic Long Continous Beep Tone 12*9.5mm Diameter: 12mm.  Length: 9.5mm.  Input Voltage: 3.5-5.5V.  Current:..

$0.95

1N4004 Diode

1N4004 Diode

1N4004 Diode"..

$0.35

Transistor - NPN (2N3904)

Transistor - NPN (2N3904)

These are very common, high quality BJT NPN transistors made by ST Micro. Datasheet:  2N3904..

$1.25

Super Capacitor - 10F2.5V

Super Capacitor - 10F2.5V

Yes you read that correctly - 10Farad capacitor. This small cap can be charged up and then slowly dissipated running an entire system for hours. Combine two in series for 5F/5V. Do..

$6.95

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