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Small audio speaker ideal for radio and projects including amplifiers. Diameter is only 57mm and yet it provides enough power.

A buzzer is a small speaker (actually a piezo). We all know what a speaker does, so no further explanation is needed. Here, we are talking about a passive buzzer which requires an AC signal to produce sound. It’s like an electromagnetic speaker, where a variable input signal produces sound, instead of automatically producing a tone.

Are you repairing or developing electronic boards? This set of inductors is incredibly useful because you will never have to think again if you have that specific inductor. It consists of 52 different values each of which comes in an amount of 50 pieces.

• Package: 0603
• 25 pcs of 52 values = 1300 pcs
• Values [H]:

1nH,    10nH,  100nH, 1uH,    10uH
1.2nH, 12nH,  120nH, 1.2uH, 12uH
1.5nH, 15nH,  150nH, 1.5uH, 15uH
1.8nH, 18nH,  180nH, 1.8uH, 22uH
2.2nH, 22nH,  220nH, 2.2uH,
2.7nH, 27nH,  270nH, 2.7uH,
3.3nH, 33nH,  330nH, 3.3uH,
3.9nH, 39nH,  390nH, 3.9uH,
4.7nH, 47nH,  470nH, 4.7uH,
5.6nH, 56nH,  560nH, 5.6uH,
6.8nH, 68nH,  680nH, 6.8uH,
8.2nH, 82nH,  820nH, 8.2uH,

In a buzzer speaker, current is run through a coil of wire that produces a magnetic field. The flexible ferromagnetic disc is attracted to the coil when current is flowing through it and returns to a “rest” position when current is not flowing through the coil. The sound from the buzzer speaker is produced by moving a ferromagnetic disc in a similar way to a cone in a speaker.