Recently, Vishay Intertechnology, Inc. announced the launch of a new series of automotive grade film chip resistors in the 0402, 0603 and 0805 form factors - MCS 0402 HP, MCT 0603 HP and MCU 0805 HP. These resistors have the highest rated power dissipation in the industry. . The Vishay Beyschlag MC HP Series devices are used in automotive, industrial and renewable energy applications with an operating temperature of +175 ° C and a load life drift of less than 0.2% after 1000 hours of rated dissipation.
The MCS 0402 HP, MCT 0603 HP and MCU 0805 HP are rated for power dissipation up to 0.4W, which is twice the standard film chip resistor of the corresponding form factor and exceeds the power dissipation of the next largest form factor device. This allows designers to replace larger devices with small resistors or replace multiple resistors of the same size, saving space, reducing component count, and reducing cost.
The devices introduced this time are AEC-Q200 certified, with resistance values ​​from 1Ω to 100kΩ, TCR as low as ±25ppm/K, and tolerances as low as ±0.1%. The MC HP Series has excellent temperature cycling stability and excellent sulfur resistance is certified by ASTM B 809. The device is lead-free and RoHS compliant and is suitable for processing on automated patch assembly systems.
MCS 0402 HP, MCT 0603 HP and MCU 0805 HP are the best choice for modern electronics in most scenarios where power dissipation, reliability, stability and reliable design are top priorities. Typical applications include DC/DC converters, power supplies, motor and electronic control units, inverters, and test and measurement equipment.
The electrolyte material inside the electrolytic capacitor, which has charge storage, is divided into positive and negative polarity, similar to the battery, and cannot be connected backwards.A metal substrate having an oxide film attached to a positive electrode and a negative electrode connected to an electrolyte (solid and non-solid) through a metal plate.
Nonpolar (dual polarity) electrolytic capacitor adopts double oxide film structure, similar to the two polar electrolytic capacitor after two connected to the cathode, the two electrodes of two metal plates respectively (both with oxide film), two groups of oxide film as the electrolyte in the middle.Polar electrolytic capacitors usually play the role of power filter, decoupling (like u), signal coupling, time constant setting and dc isolation in power circuit, medium frequency and low frequency circuit.Non-polar electrolytic capacitors are usually used in audio frequency divider circuit, television S correction circuit and starting circuit of single-phase motor.
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