Why should add a diode next to the relay?

On 2018-12-06 11:37:51  in Technology

Why should  add a diode next to the relay?

​This article describes the role of a diode to the relay ...

Diode and transistor detection

On 2018-08-22 12:31:42  in Relays

Diode and transistor detection

In identifying and detecting common components, the resistance is the forward resistance of the diode. ...

If there is no same type of diode in use, how to replace it?

On 2019-01-05 10:49:48  in Generally electronic semiconductor

If there is no same type of diode in use, how to replace it?

This article describes how to replace diode when there is no same type of diode ...

What is the diode and how to judge whether it is good or bad?

On 2019-03-16 13:34:16  in Generally electronic semiconductor

What is the diode and how to judge whether it is good or bad?

This article briefly introduces the diode and how to judge whether it is good or bad ...

Do you know the basic knowledge of semiconductor diode?

On 2019-08-16 10:26:07  in Generally electronic component

Do you know the basic knowledge of semiconductor diode?

This article describes the characteristics of the semiconductor diode. ...

How to identify and detect common diodes?

On 2018-12-14 14:17:24  in Generally electronic semiconductor

How to identify and detect common diodes?

This article briefly introduces how to identify and detect common diodes ...

Variable capacitance diode, step recovery diode, bidirectional trigger diode

On 2018-08-24 10:57:12  in Relays

Variable capacitance diode, step recovery diode, bidirectional trigger diode

It is usually used to trigger bidirectional thyristors, or to form an overvoltage protection circuit. ...

what is a discoloration light emitting diode?

On 2018-12-27 13:33:07  in Photoelectric

what is a discoloration light emitting diode?

This article describes the discoloration light emitting diodes ...

​How to detect the regulator diode?

On 2018-10-26 16:13:16  in Generally electronic semiconductor

​How to detect the regulator diode?

The method of judging an electrode is basically the same as that of judging an ordinary diode electrode. ...

Analysis of the key points of USB loadable streaming interface driver?

On 2020-10-28 10:58:21  in Generally electronic semiconductor

Analysis of the key points of USB loadable streaming interface driver?

This article describes the characteristics of the interface. ...

What is the working principle of the current transformer sampling circuit?

On 2023-08-09 17:06:05  in Sensor

What is the working principle of the current transformer sampling circuit?

This article describes the characteristics of the current transformer sampling circuit. ...

How does an eddy current displacement sensor work?

On 2021-01-11 10:45:55  in Sensor

How does an eddy current displacement sensor work?

This article introduces the characteristics and functions of eddy current sensors. ...

what is an infrared light emitting diode and how to detect it?

On 2018-12-28 16:43:35  in Generally electronic semiconductor

what is an infrared light emitting diode and how to detect it?

This article briefly introduces the infrared light emitting diode and the method to detect it. ...

​how to detect infrared receiving diode?

On 2018-10-26 16:55:08  in Generally electronic semiconductor

​how to detect infrared receiving diode?

the judgment electrode is the same as that for detecting the normal or reverse resistors of ordinary light emitting diodes or diodes. ...

Research finds that LED can replace laser as a method of transmitting near-infrared light

On 2019-07-20 10:49:03  in Photoelectric

Research finds that LED can replace laser as a method of transmitting near-infrared light

This article writes about that a research finds that LED can replace laser as a method of transmitting near-infrared light ...

How to detect fast recovery, ultrafast recovery diode?

On 2018-10-26 16:05:55  in Memory

How to detect fast recovery, ultrafast recovery diode?

The method of measuring fast recovery and ultrafast recovery diode with multimeter is basically the same as the method of detecting plastic sealed silicon rectifier diode. ...

How to identify and detect common diodes?

On 2018-10-26 15:48:50  in IC Chips

How to identify and detect common diodes?

Intuitive judgment. Some of the circuit symbols are printed on the diode to indicate polarity; one end of the negative pole of the diode is printed with a color ring as a negative mark ...

What is a transient voltage suppressor diode ( TVS )?

On 2019-01-02 17:00:45  in Generally electronic semiconductor

What is a transient voltage suppressor diode ( TVS )?

This article briefly introduces the transient voltage suppressor diode ( TVS ). ...

Function of digital multimeter diode block.

On 2019-04-13 14:33:53  in Knownlege

Function of digital multimeter diode block.

This article briefly introduces the function of digital multimeter diode block. ...

What is a two-way trigger diode and how to detect it?

On 2019-01-02 17:59:43  in Generally electronic semiconductor

What is a two-way trigger diode and how to detect it?

This article describes the two-way trigger diode and the detection. ...

How to reduce errors in detecting DC currents?

On 2019-02-13 11:44:47  in Technology

How to reduce errors in detecting DC currents?

This article describes the method of reducing errors in detecting DC currents. ...

What are the applications of LD pumped all-solid-state green lasers?

On 2021-05-11 10:45:16  in Generally electronic semiconductor

What are the applications of LD pumped all-solid-state green lasers?

This article describes the characteristics of the display. ...

​how to detect the transient voltage suppression diode?

On 2018-10-26 17:00:00  in Generally electronic semiconductor

​how to detect the transient voltage suppression diode?

using a multimeter RX 10kilo-ohm for a monopole type TVS,the positive and reverse resistors can be measured by measuring ordinary diodes ...

​what is a double base diode (single junction transistor)?

On 2018-10-26 17:09:25  in Memory

​what is a double base diode (single junction transistor)?

Double base diode,also known as single crystal transistor (UJT)is a three terminal semiconductor device with only one PN junction.the circuit symbol,internal structure and equivalent circuit of double base diode. ...

Diode rectifier filter circuit,Diode half wave rectifier circuit

On 2018-09-12 13:00:54  in Memory

Diode rectifier filter circuit,Diode half wave rectifier circuit

Power plant to send 50 Hz AC, after long-distance transmission, to the user is still 50 Hz AC, it is usually sent to industrial users 380 V three-phase AC, to ordinary civil users 220V single-phase AC. ...

Diode rectifier filter circuit Diode half wave rectifier circuit

On 2018-08-28 17:36:03  in Relays

Diode rectifier filter circuit Diode half wave rectifier circuit

Therefore, bridge rectifier has been widely used.Diode half wave rectifier circuit ...

​What is a transient voltage suppressor diode ( TVS )?

On 2018-10-26 16:57:28  in Relays

​What is a transient voltage suppressor diode ( TVS )?

Transient voltage suppressor diode is a new type of overvoltage safety protection device. The utility model has the advantages of small size ...

​how to detect a two-way trigger diode?

On 2018-10-26 17:02:25  in Memory

​how to detect a two-way trigger diode?

use the multimeter to place the multimeter in the RX1~RX10kQ gear and measure the positive and reverse resistance of the bidirectional trigger diode ...

What is a double base diode (Unijunction transistor) and how to detect it?

On 2019-01-07 10:35:39  in Generally electronic semiconductor

What is a double base diode (Unijunction transistor) and how to detect it?

This article describes the double base diode (Unijunction transistor) and the detection method of it. ...

What should be pay attention when installing diodes and transistors on the board?

On 2019-01-18 17:42:43  in Generally electronic semiconductor

What should be pay attention when installing diodes and transistors on the board?

This article briefly introduces what should be pay attention when installing diodes and transistors on the board? ...

How do you measure infrared light emitting diodes?

On 2018-10-26 16:48:19  in Memory

How do you measure infrared light emitting diodes?

When detecting infrared light emitting diodes,there is a big difference between the pointer type multimeter and the digital multimeter ...

What are the performance characteristics and detection methods of diode half-bridge components?

On 2018-12-15 13:58:00  in Generally electronic semiconductor

What are the performance characteristics and detection methods of diode half-bridge components?

This article briefly introduces the performance characteristics and detection methods of diode half-bridge components ...

Max Born Institute in Berlin: Ultra-short current surges through rectified light

On 2019-05-11 13:47:17  in Knownlege

Max Born Institute in Berlin: Ultra-short current surges through rectified light

This article introduces the Ultra-short current surges through rectified light ...

How to use the negative output voltage to adjust the LED current in a buck-boost topology?

On 2020-03-16 10:14:18  in IC Chips

How to use the negative output voltage to adjust the LED current in a buck-boost topology?

This article describes the characteristics of the LED. ...

​how to detect a dual base diode?

On 2018-10-26 17:10:47  in Memory

​how to detect a dual base diode?

discriminant emitter E. When the multimeter is placed in the RX1k2 block and the positive and reverse resistance values between any two electrodes are equal (2~10k2) with two forms ...

Linear Hall Effect Current Sensor IC

On 2023-03-10 11:33:07  in IC Chips

Linear Hall Effect Current Sensor IC

Linear Hall effect current sensor IC is used to measure and detect electrical current in circuits, while being reliable and accurate. It is used in various applications such as motor protection and circuit diagnosis. ...

Display I²C interface LCD control and driver IC

On 2023-03-10 14:41:00  in IC Chips

Display I²C interface LCD control and driver IC

ICs are used to interface with LCDs to allow display and manipulation of pixels through I²C-based communication. ...

What is an AC Link Closed Loop Current Sensor?

On 2021-01-16 10:53:05  in Sensor

What is an AC Link Closed Loop Current Sensor?

Description and function introduction of closed loop current sensor ...

What are the application characteristics of TVS transient voltage suppression diode principle?

On 2021-07-19 11:00:18  in IC Chips

What are the application characteristics of TVS transient voltage suppression diode principle?

This article describes the characteristics of the diode. ...

How to detect a diode with using a digital multimeter?

On 2019-02-15 14:09:05  in Knownlege

How to detect a diode with using a digital multimeter?

This article briefly introduces how to detect a diode with using a digital multimeter ...