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 ...

What is a Schottky diode and how to detect it?

On 2018-12-18 14:24:16  in Generally electronic semiconductor

What is a Schottky diode and how to detect it?

This article briefly introduces what is a Schottky diode and how to detect it ...

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 2018-10-26 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 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? ...

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. ...

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 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. ...

Output Curve of Field Effect Transistor

On 2018-11-23 10:36:28  in Memory

Output Curve of Field Effect Transistor

If the internal resistance of the test voltage is also very small, the tube will burst undoubtedly. ...

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 ...

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 are the characteristics of a light emitting diode?

On 2018-10-26 16:17:19  in IC Chips

what are the characteristics of a light emitting diode?

Light emitting diodes have the same conductivity as ordinary diodes.When positive currents pass through PN junctions ...

what is an infrared light emitting diode?

On 2018-10-26 16:45:24  in Memory

what is an infrared light emitting diode?

determine the order of the arrangement of the pins.The multimeter is placed in the R*1 thousand euro file ...

Parameters, Equivalent and Alternative Types of Switching Diode LL4148

On 2023-03-09 14:13:30  in Generally electronic semiconductor

Parameters, Equivalent and Alternative Types of Switching Diode LL4148

LL4148 is an inexpensive, ultra-fast and efficient switching diode used in low-voltage, low-current applications with equivalent and substitute diodes. ...

What is a transistor? What's the role?

On 2018-10-27 10:46:55  in Relays

What is a transistor? What's the role?

Transistors are also called semiconductor diodes,which can be said to be the most important devices in electronic circuits ...

​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. ...

​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 ...

​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 (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. ...

Detailed explanation of the rectification circuit of the DC regulated power supply

On 2023-03-08 13:38:07  in IC Chips

Detailed explanation of the rectification circuit of the DC regulated power supply

Rectifier circuit is an integral part of DC-to-DC converters, which uses diodes to convert the incoming AC signal into a single and consistent DC signal. The transformer adjusts the AC signal before it is filtered, and the error amplifier monitors the out ...

What are the commonly used power semiconductor devices?

On 2020-03-10 11:58:35  in Generally electronic semiconductor

What are the commonly used power semiconductor devices?

This article describes the characteristics of the power semiconductor devices. ...

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 ...

​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 ...

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 ...

Transistor roles, characteristics and states

On 2018-12-13 11:45:47  in Knownlege

Transistor  roles, characteristics and states

This article describes of transistor roles, characteristics and states ...

What is the π-type RC and LC filter circuit identification method?

On 2019-11-29 10:43:32  in Capacitors

What is the π-type RC and LC filter circuit identification method?

This article describes the characteristics of the filter. ...

Do you know the electronic filter mapping methods?

On 2019-12-13 10:51:15  in Capacitors

Do you know the electronic filter mapping methods?

This article describes the characteristics of the electronic filter. ...

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 ...

What is transistor?

On 2019-11-07 10:38:37  in Discrete Semiconductor

What is transistor?

This article describes the characteristics of transistor. ...

The trend of PCBA contract labor and material processing direction

On 2023-07-10 11:33:19  in PCBA

The trend of PCBA contract labor and material processing direction

The PCBA (Printed Circuit Board Assembly) subcontracting labor and material processing mode has been widely used in the electronics manufacturing industry. Due to its advantages of high efficiency, convenience and cost reduction, it has become the mainstr ...

What is the welding process of printed circuit board?

On 2019-01-12 11:44:44  in Knownlege

What is the welding process of printed circuit board?

This article writes about the welding process of printed circuit board ...

How to detect a flashing light emitting diode(BTS)?

On 2018-12-25 11:45:47  in Generally electronic semiconductor

How to detect a flashing light emitting diode(BTS)?

This article briefly introduces how to detect a flashing light emitting diode(BTS) ...

What are the practical applications of MOS tubes?

On 2019-12-07 11:16:04  in Discrete Semiconductor

What are the practical applications of MOS tubes?

This article describes the characteristics of the MOS tubes. ...

What is the main development direction of FPGA technology?

On 2023-06-16 17:57:31  in IC Chips

What is the main development direction of FPGA technology?

This article describes the characteristics of the FPGA technology. ...

What is the difference between switching power supply and ordinary power supply?

On 2021-05-13 10:53:14  in Generally electronic semiconductor

What is the difference between switching power supply and ordinary power supply?

This article describes the characteristics of the power supply. ...

Why is the two-switch forward converter considered one of the most reliable converters?

On 2019-10-11 09:55:34  in Generally electronic component

Why is the two-switch forward converter considered one of the most reliable converters?

This article describes the characteristics of the two-switch forward converter. ...

Plug-in of electronic components

On 2018-11-01 13:51:17  in Relays

Plug-in of electronic components

Manual insertion and welding should be first inserted into those components that need to be mechanically fixed,such as the power device radiator,bracket,clip,etc,and then insert the need to weld fixed components. ...

What are the types of wearable sensors?

On 2023-09-14 14:11:16  in IC Chips

What are the types of wearable sensors?

This article describes the characteristics of the wearable sensors. ...

what is a super bright light emitting diode?

On 2018-10-26 16:22:18  in Generally electronic semiconductor

what is a super bright light emitting diode?

The common L.ED luminescence intensity has developed from several mned to dozens of med. ...