*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information. You might have them confused because they both can come in TO-92 package. ON Semiconductor is dedicated to innovation and customer satisfaction, and is committed to providing its customers with the best semiconductor solutions to meet their needs. TMP36 is specifically a temperature sensor, not an NPN transistor like the 2N2222. The company's products are designed to be energy efficient, reliable, and cost-effective, and are used in a variety of applications, including portable electronics, industrial automation systems, renewable energy systems, and automotive electronics. That’s a wide range (typical for a transistor) so you either need a pot, or you can experiment and select a resistor, or design a more. ON Semiconductor offers a broad portfolio of power management, analog, and discrete semiconductors, including power MOSFETs, diodes, rectifiers, and voltage regulators, among others. According to the datasheet the PN2222 has a current gain (h fe) of between 50 and 375 depending on the conditions and the particular part. Ill be driving one LED per transistor, and these LEDs will operate at max brightness for time periods of up to 12 hours. When at full brightness, they draw about 150mA 12V. The company was founded in 1999 and is headquartered in Phoenix, Arizona. The lights will be dimmed using PWM, probably using a TLC5947 LED driver. ON Semiconductor is a publicly traded company that designs, develops, and manufactures a wide range of semiconductor products for various applications, including automotive, computing, consumer, industrial, and communications markets.
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