Autotransformer and voltage regulating transformer
On 2018-08-28 17:33:17 in Relays
The common characteristic of transformer is that the DC circuit on both sides is completely separated, and the energy transfer on both sides is coupled by magnetic field. ...
Diode rectifier filter circuit Diode half wave rectifier circuit
On 2018-08-28 17:36:03 in Relays
Therefore, bridge rectifier has been widely used.Diode half wave rectifier circuit ...
Common field effect transistor Slice field effect transistor
On 2018-08-28 17:24:04 in Relays
Low power field effect transistor, low power field effect transistor, high input impedance, low driving current, with low noise characteristics ...
Is Replacing Old Mechanical Relays via PLCs a Good Idea?
On 2018-12-17 12:03:18 in Relays
The article explores that Is Replacing Old Mechanical Relays via PLCs a Good Idea ...
How to identify and detect relays?
On 2018-12-20 14:13:55 in Relays
This article describes how to identify and detect relays ...
What is a transistor? What's the role?
On 2018-10-27 10:46:55 in Relays
Transistors are also called semiconductor diodes,which can be said to be the most important devices in electronic circuits ...
Types and detection methods of switching devices
On 2018-11-01 16:57:50 in Relays
The switch is the component that completes the electrical connection and disconnection through a certain action,which is generally connected in series to realize the transmission and control of signal and electric energy ...
what is a solid state relay (SSR)?
On 2018-12-25 13:11:35 in Relays
This article writes about the solid state relay (SSR) ...
What is the structure and main parameters of the electromagnetic relay?
On 2018-12-18 15:17:36 in Relays
This article describes the structure and main parameters of the electromagnetic relay ...
Identification and detection of capacitance components
On 2018-08-22 12:26:48 in Relays
Inductors are usually classified by skeleton, winding, shielding, packing material, magnetic core or magnetic core. ...
If there is no same type of pipe in use, how to replace it?
On 2018-10-26 15:50:14 in Relays
Diodes are generally not good repair, damage can only be replaced. In selecting diodes, we should pay attention to the following principles. ...
Main parameters of inductors
On 2018-08-22 12:34:29 in Relays
The main parameters of inductors include inductance, permissible deviation, quality factor, sectional capacitance and rated current. ...
What is a Schottky diode? How to detect?
On 2018-10-26 15:54:21 in Relays
Schottky diode is a low-power, high-current,ultra-high-speed semiconductor device, reverse recovery time trr can be small to a few nanoseconds ...
Variable capacitance diode, step recovery diode, bidirectional trigger diode
On 2018-08-24 10:57:12 in Relays
It is usually used to trigger bidirectional thyristors, or to form an overvoltage protection circuit. ...
What is a relay?
On 2018-12-15 15:06:06 in Relays
This article briefly introduces the classification of relays ...
Transistor FET
On 2018-08-24 11:08:36 in Relays
The appearance of the public field effect transistor is shown in Fig.First, the classification of FET. ...
The types and characteristics of solder wave crests
On 2018-10-30 11:38:53 in Relays
let the solder joints get reliable wetting;the stationary tin wave at the rear is perfect for further trimming the solder joints that have been wettable but irregular in shape ...
Classification of capacitors
On 2018-10-30 11:59:35 in Relays
According to function.It can be divided into polyester capacitor,mica capacitor,high frequency ceramic capacitor,monolithic capacitor ...
Electret capacitive microphone
On 2018-11-01 14:19:07 in Relays
To measure the secondary coil of the output transformer,it can be measured directly with the two surface pen to check the output end of the city ...
Sequential logic circuit register
On 2018-08-28 17:30:45 in Relays
it cannot be started. Indicates whether the number of valid cycles is an increment counter or a decrement counter, and the mode (count length) function of the state machine (counter), such as a decimal number. ...