Archive for the ‘Electronics’ Category

Electronics Component Kit – S8050 NPN bipolar Transistor

Friday, April 29th, 2016

The UTC S8050 is a low voltage high current small signal NPN transistor, designed for Class B push-pull audio amplifier and general purpose applications.

Packaging and Pinout


  • Collector current up to 700mA
  • Collector-Emitter voltage up to 20 V
  • Complementary to S8550


Electronics Component Kit – Reed Switch (normally open)

Friday, April 29th, 2016

The reed switch is an electrical switch operated by an applied magnetic field. It was invented at Bell Telephone Laboratories in 1936 by W. B. Ellwood. It consists of a pair of contacts on ferrous metal reeds in a hermetically sealed glass envelope. The contacts may be normally open, closing when a magnetic field is present, or normally closed and opening when a magnetic field is applied. The switch may be actuated by a coil, making a reed relay,[1] or by bringing a magnet near to the switch. Once the magnet is pulled away from the switch, the reed switch will go back to its original position.

The reed switch included in the Electronics Component Kit is normally open, closing when a magnetic field is present.

Reed Switch

An example of a reed switch’s application is to detect the opening of a door, when used as a proximity switch for a burglar alarm.

It can be combined with the included round magnet to create open/close switches, revolution counters in bicycle wheels and more.

Source: Wikipedia

Electronics Component Kit by NKC Electronics

Friday, April 22nd, 2016

The Electronics Component Kit (ECK) is ideal for electronics beginners looking to experiment with all sorts of components and experienced engineers looking to replenish his/her stock of components.

The kit includes:

Component Quantity
Plastic Box 1
Electrolytic Capacitor (4.7uF, 10uF, 47uF, 100uF, 220uF) 5 pcs each value
Jumper Wires, pack of 65 1
Breadboard 170 PTS 2
Speaker 0.5W 8ohms 1
NPN Bipolar Transistor S8050 5
PNP Bipolar Transistor S8550 5
NPN Bipolar Transistor S9013 5
PNP Bipolar Transistor S9012 5
Round Magnet 1
Ceramic Capacitor 50V (0.01uF, 0.1uF, 1uF, 0.047uF, 0.47uF) 10 pcs each value
Red LED 5
Yellow LED 5
Green LED 5
White LED 5
White Straw Hat LED 5
Red Straw Hat LED 5
Green Straw Hat LED 5
Blue Straw Hat LED 5
Diode 1N4148 10
Reed Switch 1
Photo Resistor 1
Thermistor 1
Buzzer 5V 1
7-segment LED display (Red) – Common Cathode 1
Potentiometer with knob 1
Resistor 1/4W 5% (100, 470, 1K, 4.7K, 10K, 20K, 47K, 100K, 200K, 510K, 1M) 10 pcs each value
74HC595 IC 1
IRF520N N-Channel MOSFET Transistor 1
LM386 Audio amplifier IC 1
NE555 timer 2
CD4026 7-segment driver 1
Microphone 1
Push Button 50mA 5
2032 Battery Holder 2
Parts List 1

We will be publishing more information about each component and example projects.