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Product Overview

The GSK-4 is an easy to assemble basic power supply kit based on 7805 voltage regulator. The finished kit will yield two DC voltage outputs, one is a fixed regulated 5V at 1A for TTL use. The other output is variable from 5V upwards. The maximum output voltage depends on the input voltage. The specified maximum input DC voltage to the regulator is 35V. The minimum input voltage must be 2 volts higher than the regulated output voltage. The kit is constructed on a single sided printed circuit board. The GSK-4 is perfect for learning basic power supply operation. The circuit is basic but it will satisfy the requirements of most electronic kit users especially when starting out.
  • It has only 3 connections (input, output and ground) and it provides a 5V fixed output
  • Two separate circuits one with a fixed 5V regulator and other has a resistor divider n/w on output
  • 500R potentiometer is used to vary the output voltage from a minimum of 5V to maximum DC voltage
  • Capacitor across the output improves transient response
  • Large capacitor across the input is a filter capacitor to remove ripples in rectified AC voltage
  • LED for circuit working condition indication


Power Management


1, 000uF/35V (1mF) electrolytic capacitor, Two 7805 voltage regulator IC, Two HS-103 heat sink, Nut & screw for regulator and heatsink, 500R linear potentiometer, 5mm LED, 390R carbon 5% (orange, white, brown), 240R or 250R carbon 5%, Bridge rectifier, Four 100nF (104) monoblok, Input jack, PCB, Two pole terminal blocks, Box and screws.
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Product Specifications, Documents & More

  • Application Sub Type: Power Supply
  • Features: Basic Power Supply, Variable, Plastic Enclosure
  • Kit Application Type: Education / Hobby
  • Kit Contents: Bridge Rectifier, Capacitor 1mF, Carbon 2pc, HS-103 2pc, IC 7805 2pc, LED, Monoblok 100nF, PCB, Pot
  • SVHC: No SVHC (15-Jun-2015)
  • Silicon Core Number: -
  • Silicon Manufacturer: -

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Availability:  0

    More stock available week commencing 12/28/15

Non-Cancelable / Non Returnable

Price for: Each 1

Minimum order quantity: 1

Order multiple quantity: 1

Price: $20.00 $20



Quantity List Price
1+ $20.00

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