![]() Another way to find out that is to check what type of component this transistor is driving whether it is a relay, LED or any other component and check its datasheet that how much current this component requires. You will also find many tutorials on YouTube on how to check amperes. This can be determined by using a digital mulitimeter on ampere settings and connected between the transistor and the load. But if you are replacing it in a switching circuit then we should find out that how much load or current S8050 is driving in that circuit. If you want replace it in an amplification circuit then there will not be an issue and you can replace them without any hassle. While the S8050 collector-emitter voltage is 25V, collector current is 1500mA, total device dissipation is 1000mW, DC current gain is 85 to 300 and transition frequency is 100MHz. As you can see in the ratings and characteristics chart above, the 2N2222 collector-emitter voltage is 40V, collector current is 600mA, total device dissipation is 625mW, DC current gain is 30 to 300 and transition frequency is 300MHz. To understand this first we have to check and compare their ratings and characteristics. Ratings & Characteristics Comparison : Ratings & Characteristics So you don’t have to change anything regarding to pins when replacing the in a circuit and you can put them in the place of each other. The first pin is “Emitter”, second is “Base” and the third is “Collector”. Output stage of small audio projects and circuitsĮlectronics components perform very well in circuit for a long period of time if all the safety measures are taken in consideration at the time of designing and making the circuit, to make this transistor long run in your electronic application it is recommended to not use it in the circuit above 20V, and do not increase the output load from -700mA, always use a good current limiting resistor at the base of the transistor, and do not use it in the temperature above 150 centigrade and below -65 centigrade.The pin configurations of both the transistors are identical. Moreover it can also be used as an alternative or equivalent to many other general purpose transistors and it is also an ideal transistor to use in your hobby electronic projects, therefore it is a must to have transistor in your electronics lab. If you want to use it as a switch then you can easily drive big relays, many small LEDs at once and One or two high power LEDs around 10 to 20 watts, switching ON an another portion or application in an electronic project / circuit etc. S8550 is a general purpose transistor therefore you can use it at the output of your audio amplifier circuits to amplify the output audio signal to 1 watt, for example it can used in electronic doorbell circuits, mp3 audio amplifiers and in the output of buzzer circuits etc. ![]() The max gain of the transistor is 400 which is also a plus point of this transistor. The max collector current is -700mA hence it can also be used for variety of switching application in electronic circuits. The S8550 possess some very good features in its small TO-92 package therefore it can be used in many electronics applications for example the output dissipation is 1 watt which is very good feature to use it for amplification of audio signal to around 1 watt and also in many other audio amplification stages. It is designed for audio amplification and other general requirements in electronic circuits but apart from that it is also used widely in commercial appliances. Like S8050, its PNP alternative S8550 is also a widely used transistor, it is a reliable low cost transistor with very good technical characteristics. S8550 Transistor Explained / Description: Max Storage & Operating temperature Should be: -65 to +150 CentigradeĪlternative transistors for S8550 are BC528, 2N2906, BC527 and S8050, these are only few equivalents if you don’t fine them there are also more alternatives of S8550.Minimum & Maximum DC Current Gain (h FE): 40 To 400.Max Collector-Base Voltage (V CB): -30V.Max Collector-Emitter Voltage (V CE): -20V.Max Collector Current(I C): -0.7A or -700mA.Advertisements Features / Technical Specifications:
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