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Diode

From DT Online

Diode2.jpg
DiodeSchematic.jpg


Description

Diodes fall broadly into two types - rectifier and signal. Rectifier diodes are used in power supplies to convert a.c. to d.c.

They may have to handle high currents and voltages but normally work at low frequencies (typically 50 Hz).

Signal diodes normally handle much lower power but may be required to operate at much higher frequencies (many MegaHertz).


Features and Applications

Diodes allow current to pass through them in one direction only.

In the forward direction, the resistance is low (typically 5 ohms - measured on an analogue ohmmeter).

In the reverse direction, the resistance is very high. (Greater than 20 megohms).

Uses include: rectifiers in power supplies, signal demodulators and Back EMF limiters in inductors.


DT Online Buyers' Guide
1/4w resistors pack 164 values x 10pcs = 1640pcs Generic 125pcs 25 values Total Electrolytic Capacitors Ass. Kit 1uF to 2200uF Generic 50 values Ceramic Disc Capacitors Ass. (Pack of 1000pcs) 25 x 1N4001 Rectifier Diodes 50V 1A 20pcs Photo Light Sensitive Resistor 5mm 5mm Assorted Clear LED Diode with Resistors 8 Colors, Pack of 80 Newest 10pcs Common Cathode 10 pin 1 Bit 0.5 20X4 Character LCD Module Display Blue Backlight for Arduino 10x NTC Thermistor 100K ohm 3950-1% Sensor F 3D Printer Reprap RAMPS Makerbot
1/4w resistors pack 164 values x 10pcs = 1640pcs Generic 125pcs 25 values Total Electrolytic Capacitors Ass. Kit 1uF to 2200uF Generic 50 values Ceramic Disc Capacitors Ass. (Pack of 1000pcs) 25 x 1N4001 Rectifier Diodes 50V 1A 20pcs Photo Light Sensitive Resistor 5mm 5mm Assorted Clear LED Diode with Resistors 8 Colors, Pack of 80 Newest 10pcs Common Cathode 10 pin 1 Bit 0.5" LED Display 20X4 Character LCD Module Display Blue Backlight for Arduino 10x NTC Thermistor 100K ohm 3950-1% Sensor F 3D Printer Reprap RAMPS Makerbot