1/1/2024 0 Comments Sks 2n3055![]() ![]() Remember to use thick wires suitable for transfering the current needed according to the power supply you tend to build. If you do not isolated the finals from the heatsink, then please make sure the heatsink does not make contact with the chassis (metal casing where you plan to build the PS into). The collectors of the finals needs to be soldered with a wire all together if the transistors even if they are isolated from the heatsink or not. When using a 100 Ohm/1watt varistat the current is limited to approx. P2 will allow you to set the limit of the maximum available amps at the output +Vcc. The LM317 maximum output voltage is 30 volts, but using the diodes D7,D8 & D9 the output voltage is approx 30v - (3x 0.6v) = 28.2volt.Ĭalibrate your build-in voltmeter using P3 and, of course, a good digital voltmeter. To have a zero voltage on the output I've put 3 diodes D7,D8 and D9 on the output of the LM317 to the base of the 2N3055 transistors. P1 allows you to 'regulate' the output voltage to anything between 0 and 28 volts. Caution: 42 volt is the voltage that could be on the output if one of the transistors should blow. So all capacitors should be rated at 50 volts. The rectified voltage of: 30 volt x SQR2 = 30 x 1.41 = 42.30 volt measured on C1. *This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.Although the LM-317 power regulator will kick in on shortcircuit, overload and thermal overheating, the fuses in the primary section of the transformer and the fuse F2 at the output will secure your power supply. The company's legacy continues through its subsidiaries and its technology and products continue to be used around the world. Motorola was one of the pioneers of the mobile phone industry and has a rich history of innovation and technological advancements. The company provides a wide range of products including two-way radios, mobile computing devices, and network infrastructure equipment. Motorola Solutions focuses on public safety and commercial and industrial communication solutions. Motorola Mobility was later acquired by Google in 2012, and is now a subsidiary of Lenovo. In 2011, Motorola split into two separate companies: Motorola Mobility and Motorola Solutions. Throughout its history, Motorola was known for its innovation in the field of telecommunications, including the development of the world's first commercially available cellular telephone, the DynaTAC, and the world's first two-way pager, the Pageboy. ![]() It was headquartered in Schaumburg, Illinois and was one of the largest providers of mobile phones, telecommunication equipment, and semiconductors. was an American multinational telecommunications company that was founded in 1928. 15 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS 60, 120 VOLTS 115, 180 WATTSġ5 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS 60?0 VOLTS, 75 WATTSĬomplementary Silicon Power Transistors 15 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS 80 VOLTS 83 WATTSĥ AMPERE POWER TRANSISTORS COMPLEMENTARY SILICON 25 VOLTS 15 WATTSġ5 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS 200 VOLTS 200 WATTSġ5 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS 200 VOLTS 250 WATTSġ0 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS 60 VOLTS 75 WATTSĤ AMPERE POWER TRANSISTORS COMPLEMENTARY SILICON 100 VOLTS 15 WATTSġ5 AMPERE POWER TRANSISTORS COMPLEMENTARY SILICON 140 VOLTS 200 WATTS ![]()
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