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Description |
| This kit offers the builder a very basic power supply that can be adjusted over a range of about 1.5 to 35 volts DC. If you add the heatsink (included), you can run it as "hot" as 2 amps output; otherwise about 60mA at 12 volts. This is a text book circuit using an LM317, which is a 3 terminal requlator in a TO-220 package. Input can be either AC or DC; DC input must be at least 2.5V above the required voltage output. You could use a surplus transformer from 12 volts up for input. Board size is about 1 1/2" x 2" inches. Kit contains instruction sheet, schematic, screened PC board and 17 components. No. 80-680. In Stock - Can Ship Today! |
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