ipf-electronic electrical components German ipf-electronic models ipf-electronic prices

ipf-electronic electrical components are transducers that convert guided waves propagating on transmission lines into electromagnetic waves propagating in an unbounded medium (usually free space), or perform the reverse conversion. They are components in radio equipment used to transmit or receive electromagnetic waves. Engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasures, remote sensing, and radio astronomy, which use electromagnetic waves to transmit information, all rely on antennas for operation. In addition, for energy transmission using electromagnetic waves, non-signal energy radiation also requires antennas. Most antennas are reciprocal, meaning the same antenna can be used as both a transmitting and a receiving antenna. The basic characteristic parameters of the same antenna for transmission or reception are identical. This is the reciprocity theorem of antennas. As we know, radio equipment such as communication, radar, navigation, broadcasting, and television devices all transmit information via radio waves and require the radiation and reception of radio waves. In radio equipment, the device used to radiate and receive radio waves is called an antenna. The antenna provides the necessary coupling between the transmitter or receiver and the medium through which radio waves propagate. Like transmitters and receivers, the antenna is an important component of radio equipment.

ipf-electronic electrical component features

The main characteristics of thermistors are: (1) high sensitivity, with a resistance temperature coefficient larger than that of metals; (2) wide operating temperature range; (3) small size, capable of measuring temperatures in gaps, cavities, and blood vessels within living organisms that other thermometers cannot measure; (4) ease of use; (5) easy to process into complex shapes and suitable for mass production; (6) good stability and strong overload capacity.

ipf-electronic electrical component classification

Thyristors have various classification methods: (1) Classification by turn-off, conduction, and control methods: Thyristors can be divided into conventional thyristors, bidirectional thyristors, reverse-conducting thyristors, gate turn-off thyristors, BTG thyristors, temperature-controlled thyristors, and light-controlled thyristors, among others. (2) Classification by pins and polarity: Thyristors can be divided into two-pin thyristors, three-pin thyristors, and four-pin thyristors based on their pins and polarity. (3) Classification by package type: Thyristors can be divided into three types based on their package: metal-packaged thyristors, plastic-packaged thyristors, and ceramic-packaged thyristors. Among these, metal-packaged thyristors are further divided into bolt-type, flat-type, and round-case types, among others; plastic-packaged thyristors are divided into types with heat sinks and types without heat sinks. (4) Classification by current capacity: Thyristors can be divided into high-power, medium-power, and low-power thyristors based on current capacity. Typically, high-power thyristors mostly use metal casing packages, while medium- and low-power thyristors mostly use plastic or ceramic packages. (5) Classification by turn-off speed: Thyristors can be divided into conventional thyristors and high-frequency (fast) thyristors based on their turn-off speed. (6) Zero-crossing triggering - generally used for power regulation, i.e., triggering occurs when the phase of the sinusoidal AC voltage crosses zero; triggering must occur at the zero-crossing point to conduct the thyristor. (7) Non-zero-crossing triggering - the thyristor can be triggered to conduct regardless of the phase of the AC voltage; common method is phase-shift triggering, i.e., changing the output percentage by altering the conduction angle (phase angle) of the sinusoidal AC.

ipf-electronic electrical component classification

Classification by operating principle or structural characteristics of relays: (1) Electromagnetic relays: Electrical relays that operate using the attractive force generated between the electromagnet core and the armature by the current in the input circuit. (2) Solid-state relays: Relays where electronic components perform their functions without mechanical moving parts, providing isolation between input and output. (3) Temperature relays: Relays that actuate when the external temperature reaches a specified value. (4) Reed relays: Relays that open, close, or switch circuits using the action of reed contacts sealed in a tube, which serve the dual function of contact springs and armature magnetic circuits. (5) Time relays: Relays whose output section delays or limits the time to a specified duration before closing or opening the controlled circuit when an input signal is applied or removed. (6) High-frequency relays: Relays used for switching high-frequency and RF lines with minimal loss. (7) Polarized relays: Relays that actuate due to the combined effect of a polarizing magnetic field and the magnetic field generated by the control current passing through the control coil. The direction of relay operation depends on the direction of the current flowing through the control coil. (8) Other types of relays: Such as optical relays, acoustic relays, thermal relays, instrument-style relays, Hall effect relays, and differential relays.

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