M39003/03-0472/HSD

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Tantalum Capacitors: M39003/03-0472/HSD Application Field and Working Principle

Tantalum capacitors are widely used in electronics for their high capacitance-to-volume ratio, low equivalent series resistance (ESR), low cost, and miniature size. The M39003/03-0472/HSD is a tantalum capacitor, which is specially designed for high voltage applications such as communication, power supplies, and other industrial or consumer products.

Application Field

The M39003/03-0472/HSD is a type of tantalum capacitor offering high reliability and performance in high voltage applications, such as:

• Communication systems: wireless communication, base stations, routers, etc.
• Power supplies for industrial equipment.
• Consumer products: cell phones, computers, digital cameras, etc.
• Medical, automotive, aerospace, and military applications.

Working Principle

Tantalum capacitors are based on the principle of electrochemical double-layer capacitance, which involves an electrolyte sandwiched between two metal plates (anode and cathode). The electrolyte acts as a continuous current path (counter electrode) between the two plates, allowing electrons to flow from one plate to the other. Since the two plates are connected to each other through an electrolyte, and the electrolyte is a dielectric material, a voltage difference between the plates is created. This is the basis for generating capacitance.

The M39003/03-0472/HSD uses solid-state electrochemical double-layer capacitance technology to achieve high voltage applications. It is a non-polarized capacitor with no polarity and a high dielectric strength. The use of low ESR (equivalent series resistance) polymer material, combined with advanced structural design, provides low impedance, high ripple current capability and excellent thermal stability.

Design Specifications

The M39003/03-0472/HSD has ultra-low ESR for high frequency and high ripple current applications. It is a high voltage tantalum capacitor which can withstand up to 40V DC (Direct Current) and is rated for a temperature range from -55°C to 125°C. The capacitor is lead-free and RoHS compliant.

The M39003/03-0472/HSD is offered in a variety of sizes and voltage ratings, making it suitable for most applications. It is also available with optional conformal coating to help protect against moisture, dust, and vibration.

Conclusion

The M39003/03-0472/HSD is a high voltage, ultra-low ESR, non-polarized tantalum capacitor. It is designed to be used in a variety of high voltage applications, such as wireless communication, power supplies, and consumer products. The capacitor offers excellent thermal stability, high ripple current capability, and is RoHS compliant. The M39003/03-0472/HSD is an ideal choice for high reliability and performance in high voltage applications.

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