Adjustable Power Supply Kit - Lm317 (#1725) For Sale
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Adjustable Power Supply Kit - LM317 (#1725)
This Adjustable +Voltage Power Supply Project Kit is designed around the LM317T 3-Terminal Adjustable Voltage Regulator in the TO-220 package. It is capable of supplying in excess of 1.0 Amps over a range of 1.2volts to 35volts output.
This kit consists of the PCB, Schematics, and parts required to build a 1-amp (or more), highly regulated Adjustable DC Power Supply. It requires an input AC or DC voltage source (3 V to 35V) from a transformer, such as a wall-mount type. A heat sink (not supplied) may be needed for the LM317T, depending on your application. You will need soldering tools and basic soldering skills.
The output voltage is varied with a potentiometer and is very steady and accurate even while the input voltage varies. The output can be varied from around 1.2VDC up to 35 VDC depending on the input voltage and the choice of resistors. This circuit is perfect for those that want their own small but powerful power supply. It can be used on the bench or as part of your project. It is small enough to fit in robotic vehicles and such.
The PCB is 1.1" x 2.0", double-sided, .062", FR-4, with Silk Screening on the Top Side. This is an excellent chance to build your own Power Supply. The Datasheets and Application Notes for the LM317, along with hundreds of other ICs and Transistorss, are located at DATASHEETS. We supply the parts, you supply the ingenuity. You get the following:
TypePart DescriptionQuantity PCBNightFire Adjustable Positive Voltage Power Supply1 ea ICLM317T, Adjustable Voltage Regulator, TO-2201 ea SchematicsNightFire Schematic1 ea RectifierDL005, Full-Wave Bridge, 1.0 Amp, 100V1 ea Rectifier1N4001, 1 Amp, 100V, D)-412 ea Capacitor100uF, 25V, 85° C, Aluminum, Radial2 ea Capacitor1000uF, 35V, 85° C, Aluminum, Radial1 ea Resistor240 Ohm, 1/4 watt, 5%, Carbon Film1 ea Resistor470 Ohm, 1/4 watt, 5%, Carbon Film1 ea Resistor10K Ohm, 1/4 watt, 5%, Carbon Film1 ea Trimpot10K, Single-turn, PCB Mount1 ea LEDGreen, Difussed, T 1 3/41 ea
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