ELECO electrical components Germany ELECO model ELECO price

ELECO electrical components are wires that transmit current. Usually, current transmission is point-to-point. Power cords can be divided into AC AC power cords and DC DC power cords according to their use. Usually, AC power cords are wires that carry higher voltage AC. Due to the high voltage, these wires require unified standards and safety certification before they can be officially produced. DC cords basically carry lower voltage DC, so the safety requirements are not as strict as for AC cords. However, for safety reasons, countries still require unified safety certification.

ELECO electrical component classification

1. Classification by relay outline dimensions: ① miniature relay, ② ultra-subminiature relay, ③ subminiature relay. 2. Classification by relay load: ① micro-power relay, ② weak-power relay, ③ medium-power relay, ④ high-power relay. 5. Classification by relay protection characteristics: ① Sealed relay: The contacts and coil are sealed inside a cover by welding or other methods, isolated from the surrounding medium, resulting in a low leakage rate. ② Enclosed relay: The contacts and coil are sealed (non-hermetic) and protected by a housing. ③ Open relay: A relay without a protective cover for the contacts and coil. Among the above relays, electromagnetic relays and reed relays are the most commonly used in electronic fabrication.

ELECO electrical component classification

1. Divided into three major categories by structure: fixed capacitors, variable capacitors, and trimmer capacitors. 2. Classification by dielectric: organic dielectric capacitors, inorganic dielectric capacitors, electrolytic capacitors, electric heating capacitors, and air dielectric capacitors. 3. Classification by application: high-frequency bypass capacitors, low-frequency bypass capacitors, filter capacitors, tuning capacitors, high-frequency coupling capacitors, low-frequency coupling capacitors, and small capacitors. 4. Classification by manufacturing material: ceramic capacitors, polyester capacitors, electrolytic capacitors, tantalum capacitors, and advanced polypropylene capacitors. 5. High-frequency bypass: ceramic capacitors, mica capacitors, glass film capacitors, polyester capacitors, and glass glaze capacitors. 6. Low-frequency bypass: paper dielectric capacitors, ceramic capacitors, aluminum electrolytic capacitors, and polyester capacitors. 7, Filtering: aluminum electrolytic capacitors, paper dielectric capacitors, composite paper dielectric capacitors, and liquid tantalum capacitors. 8. Tuning: ceramic capacitors, mica capacitors, glass film capacitors, and polystyrene capacitors. 9. Low coupling: paper dielectric capacitors, ceramic capacitors, aluminum electrolytic capacitors, polyester capacitors, and solid tantalum capacitors. 14. Small capacitors: metallized paper dielectric capacitors, ceramic capacitors, aluminum electrolytic capacitors, polystyrene capacitors, solid tantalum capacitors, glass glaze capacitors, metallized polyester capacitors, polypropylene capacitors, and mica capacitors.

ELECO electrical component characteristics

The most important characteristic of a diode is its unidirectional conductivity. In a circuit, current can only flow in from the anode and out from the cathode of the diode. 1. Forward characteristics: In an electronic circuit, when the anode of the diode is connected to the high potential terminal and the cathode to the low potential terminal, the diode conducts. This connection method is called forward bias. It must be noted that when the forward voltage applied across the diode is very small, the diode still does not conduct, and the forward current flowing through the diode is very weak. Only when the forward voltage reaches a certain value can the diode truly conduct. After conduction, the voltage across the diode remains basically constant, known as the "forward voltage drop" of the diode. 10. Reverse characteristics In an electronic circuit, when the anode of the diode is connected to the low potential terminal and the cathode to the high potential terminal, almost no current flows through the diode, and the diode is in a cutoff state. This connection method is called reverse bias. When the diode is reverse biased, a weak reverse current, known as leakage current, still flows through the diode. When the reverse voltage across the diode increases to a certain value, the reverse current increases sharply, and the diode loses its unidirectional conductivity. This state is called diode breakdown. The injection current of a laser diode must be greater than the critical current density to satisfy the population inversion condition and emit laser light. The critical current density is related to the junction temperature and indirectly affects efficiency. During high-temperature operation, the critical current increases, efficiency decreases, and components may even be damaged.

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