A SL100 transistor is sufficient enough to construct a simple continuity tester circuit, which gives visual and audio outputs when the continuity present at the probes. SL100 transistor is very cheap and readily available in market, which fetches them wide range of applications in various circuits. The datasheet for SL100 transistor is available at SL100 transistor datasheet. The base is nearest to the emitter while collector lies at the other extreme of the casing. A protruding edge in the transistor case indicates the emitter. Pin Diagram of SL100 transistorĪ SL100 transistor has 3 terminals namely a collector, a base and an emitter. The pin diagram of a typical SL100 transistor is given below. When acting as a switch the circuit can turn on/off a light, motor, perform digital logic or mathematical operations, fetch and decode computer instructions and the like. When acting as an amplifier, the transistor can transmit or receive radio signals, perform analog mathematical calculations, generate wave-forms among other functions. It is turned OFF completely in the absence of base signal.ĭepending on the transistor biasing and the circuits connected to it, the transistor acts either as an amplifier or as a switch. SL100 transistor is biased to remain fully ON if there is a signal at its base. The transistor terminals require a fixed DC voltage to operate in the desired region of its characteristic curves. However, it’s generally used as a switch in common emitter configuration. Major applications range from general switching, manufacture of logic gates, amplification and sound reproduction, radio transmission and signal processing. Being a general purpose transistor makes the SL100 transistor open to a wide spectrum of electronic applications. Sl100 transistor is a general purpose, medium power NPN transistor. The most common example in usage being the SL100 transistor. Whereas a PNP transistor consists of n-doped semiconductor between two p-doped layers. An NPN transistor consists of layer of p-dope d semiconductor between two n-doped layers. BJTs can be classified into two types, NPN and PNP transistors. The development started off with vacuum tubes and lead to the transistor as the BJT we see today. A bipolar junction transistor (BJT) is a type of transistor that uses both electron and hole as charge carriers. Every electronic gadget you can possibly imagine today uses transistors. Transistors are the basic building blocks of integrated circuits ( IC ).
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