I sincerely hope the original poster, who had a single post, has found a compliment to the 2N2222 by now. Operating Junction Temperature (Tj): 175 ☌ 2N2222 Transistor Equivalent Substitute – Cross-Reference Search What is the operating junction temperature of 2N2222?ĢN2222 Datasheet, Equivalent, Cross Reference Search. It was originally made in the TO-18 metal can as shown in the picture. It is designed for low to medium current, low power, medium voltage, and can operate at moderately high speeds. We can easily determine our requirements as needed and we can use a suitable transistor for our application.The 2N2222 is a common NPN bipolar junction transistor (BJT) used for general purpose low-power amplifying or switching applications. The CAD Model or 3D model of the C945 Transistor is given belowĭetail compare table is given below among the 4 transistors. In this way, we control the functionality of the electronic circuit through this high-speed low-current transistor. When we apply voltage at the base, the current starts to flow between the collector and emitter. It has three semiconductor regions: emitter, base, and collector. The transistor C945 is usually used in circuits where we need a high-speed transistor & a low current. The saturation voltage of mostly BJT transistors is 0.6V DC but the C945 has only a transistor that has 0.3V saturation voltage due to this feature it can perform well in low voltage circuits or in any circuit where low base voltage is available. This transistor has a good DC current gain and low noise due to this it is suitable to use in audio amplifier circuit stages or for the amplification of other electronic circuits. These transistors are the same type and have similar parameters. NPN Complementary of C945 is A733, BC557,Bc558 and BC556B. The pin configuration of Some transistors is different from C945 so check the pin configuration before replacing the circuits. It can be replaced with 2N2222, 2N3904, 2SC1815, and 2SC3198 nowadays BC547 is a good alternative to this transistor. Max Storage and Operating temperature Should Be: -55 to +150 Centigrade.Min & Max DC Current Gain (h FE): 70 – 700.Collector Max Dissipation (Pc): 400 milliwatt.Collector-Emitter max Voltage (V CE): 50V.C945 Transistor Pinout explains all features of the transistor. Moreover, the transistor is also a low-noise device and has a good DC current gain that is 70 to 700. The saturation of this transistor is only 0.3V DC which is also a good feature of this transistor. It comes in a TO-92 package, this transistor can drive a max load of around 150mA which is enough to operate many devices in a circuit for LEDs, Relays, ICs, transistors, and other parts of electronics circuits. BD139 Transistor Pinout, Features, AlternateĬ945 transistor is a general-purpose NPN transistor that is widely used in a variety of commercial and educational electronic circuits.2N3906 Pinout, Features, Equivalent uses.2N3904 Transistor Pinout, Features and applications.TIP32C Transistor pinout Features and Applications.
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