![]() If accidently placed wrong in a circuit than check its performance again because placing wrong pins sometimes burns the internal circuitry of the transistor or make it weak. The TO-92 package is a small, versatile, and low-cost packaging that makes the 2N3904 transistor an ideal choice for use in general-purpose circuits. ![]() It is an NPN-type transistor commonly used in electronic circuits as a switch or an amplifier. Always confirm the collector emitter and base pins before placing in circuit. 2N3904 is a bipolar junction transistor (BJT) that comes in a TO-92 package. Do not use or store it in temperature above +150 centigrade and below -65 centigrade. Always use a suitable base resistor to provide required current for saturation. The max transition frequency of the transistor is 300MHz so it will also perform well in RF circuits under 300MHz frequency.įor long run in a circuit it is important to not increase load more than 100mA on it, and do not exceed the voltage across this transistor to 45V DC. The BC547 is a widely used transistor and it can be used in any general purpose application, it can also be used as a substitute and replacement to many transistors, therefore it can be used in variety of electronic circuits for example switch small load on very low input voltage and current and also in amplification of small audio and other signals. The typical saturation voltage is only 90 millivolts which is also a good sign to use it as a switch. The transistor is having very good DC current gain and low noise capabilities due to which it is ideal to use in signal amplification stages. ![]() It comes in TO-92 packaging and the maximum output current this transistor can handle is 100mA. Besides these uses it can also be used in commercial circuits. Max Storage & Operating temperature Should Be: -65 to +150 CentigradeĢN2222, 2N3904, 2N4401, BC337 (Pin configuration of some transistors are different from BC547, check pin configuration before replacing in a circuit)īC547 Transistor Explained / Description:īC547 is a general purpose BJT NPN transistor mostly used in electronics hobbyists and educational electronics projects.Minimum & Maximum DC Current Gain (h FE): 110 – 800.Max Collector Dissipation (Pc): 500 miliWatt.This is the standard pinout for a C945 transistor. The pinout for a C945 transistor is as follows: C945 Pinout. Depending on the voltage applied at Base Terminal, BC547 can operate in two states, named: Forward Biased. The pinout for a C945 transistor is the arrangement of its terminals or pins, which are used to connect the transistor to other electronic components in a circuit. BC547 Pins (Terminals) from left to right are called: Collector. Max Collector-Emitter Voltage (V CE): 45V BC547 is a 3-Terminal NPN Bipolar Junction Transistor (BJT), mostly used for switching purposes and current amplification.Advertisements Features / technical specifications:
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